Airport codes
Airport codes starting with C
550 airports in 85 countries have a three-letter IATA code beginning with C, including CAG (Cagliari), CAI (Cairo), CAN (Guangzhou (Huadu)). The four-letter ICAO code is shown where an airport has one.
With a live cam on this site: CTS
| IATA | ICAO | Airport | City | Country |
|---|---|---|---|---|
| CAA | MHGE | El Aguacate AirportEl Aguacate | El Aguacate | ðŸ‡ðŸ‡³ Honduras |
| CAB | FNCA | Cabinda AirportCabinda | Cabinda | 🇦🇴 Angola |
| CAC | SBCA | Coronel Adalberto Mendes da Silva AirportCascavel | Cascavel | 🇧🇷 Brazil |
| CAD | KCAD | Wexford County AirportCadillac | Cadillac | 🇺🇸 United States |
| CAE | KCAE | Columbia Metropolitan AirportColumbia | Columbia | 🇺🇸 United States |
| CAF | SWCA | Carauari AirportCarauari | Carauari | 🇧🇷 Brazil |
| CAG | LIEE | Cagliari Elmas AirportCagliari | Cagliari | 🇮🇹 Italy |
| CAH | VVCM | Cà Mau AirportCa Mau City | Ca Mau City | 🇻🇳 Vietnam |
| CAI | HECA | Cairo International AirportCairo | Cairo | 🇪🇬 Egypt |
| CAJ | SVCN | Canaima AirportCanaima | Canaima | 🇻🇪 Venezuela |
| CAK | KCAK | Akron Canton Regional AirportAkron | Akron | 🇺🇸 United States |
| CAL | EGEC | Campbeltown AirportCampbeltown | Campbeltown | 🇬🇧 United Kingdom |
| CAM | SLCA | Camiri AirportCamiri | Camiri | 🇧🇴 Bolivia |
| CAN | ZGGG | Guangzhou Baiyun International AirportGuangzhou (Huadu) | Guangzhou (Huadu) | 🇨🇳 China |
| CAO | KCAO | Clayton Municipal AirparkClayton | Clayton | 🇺🇸 United States |
| CAP | MTCH | Cap Haitien International AirportCap Haitien | Cap Haitien | ðŸ‡ðŸ‡¹ Haiti |
| CAQ | SKCU | Juan H White AirportCaucasia | Caucasia | 🇨🇴 Colombia |
| CAR | KCAR | Caribou Municipal AirportCaribou | Caribou | 🇺🇸 United States |
| CAT | LPCS | Cascais AirportCascais | Cascais | 🇵🇹 Portugal |
| CAU | SNRU | Caruaru AirportCaruaru | Caruaru | 🇧🇷 Brazil |
| CAV | FNCZ | Cazombo AirportCazombo | Cazombo | 🇦🇴 Angola |
| CAW | SBCP | Bartolomeu Lisandro AirportCampos dos Goytacazes | Campos dos Goytacazes | 🇧🇷 Brazil |
| CAX | EGNC | Carlisle Lake District AirportCarlisle, Cumbria | Carlisle, Cumbria | 🇬🇧 United Kingdom |
| CAY | SOCA | Cayenne – Félix Eboué AirportMatoury | Matoury | 🇬🇫 French Guiana |
| CAZ | YCBA | Cobar Airport | — | 🇦🇺 Australia |
| CBA | — | Alpine HeliportWest Kelowna | West Kelowna | 🇨🇦 Canada |
| CBB | SLCB | Jorge Wilsterman International AirportCochabamba | Cochabamba | 🇧🇴 Bolivia |
| CBC | — | Cherrabun Airport | — | 🇦🇺 Australia |
| CBD | VOCX | Car Nicobar Air Force BaseIAF Camp | IAF Camp | 🇮🇳 India |
| CBE | KCBE | Greater Cumberland Regional AirportWiley Ford | Wiley Ford | 🇺🇸 United States |
| CBF | KCBF | Council Bluffs Municipal AirportCouncil Bluffs | Council Bluffs | 🇺🇸 United States |
| CBG | EGSC | Cambridge City AirportCambridge, Cambridgeshire | Cambridge, Cambridgeshire | 🇬🇧 United Kingdom |
| CBH | DAOR | Béchar Boudghene Ben Ali Lotfi AirportBéchar | Béchar | 🇩🇿 Algeria |
| CBI | — | Cape Barren Island AirportCape Barren Island | Cape Barren Island | 🇦🇺 Australia |
| CBJ | MDCR | Cabo Rojo AirportCabo Rojo | Cabo Rojo | 🇩🇴 Dominican Republic |
| CBK | KCBK | Shalz FieldColby | Colby | 🇺🇸 United States |
| CBL | SVCB | General Tomas de Heres AirportCiudad Bolivar | Ciudad Bolivar | 🇻🇪 Venezuela |
| CBM | KCBM | Columbus Air Force BaseColumbus | Columbus | 🇺🇸 United States |
| CBN | WICD | Cakrabhuwana AirportCirebon-Java Island | Cirebon-Java Island | 🇮🇩 Indonesia |
| CBO | RPMC | Cotabato (Awang) AirportDatu Odin Sinsuat | Datu Odin Sinsuat | 🇵🇠Philippines |
| CBQ | DNCA | Margaret Ekpo International AirportCalabar | Calabar | 🇳🇬 Nigeria |
| CBR | YSCB | Canberra AirportCanberra | Canberra | 🇦🇺 Australia |
| CBS | SVON | Oro Negro AirportCabimas | Cabimas | 🇻🇪 Venezuela |
| CBT | FNCT | Catumbela AirportCatumbela | Catumbela | 🇦🇴 Angola |
| CBV | MGCB | Coban AirportCoban | Coban | 🇬🇹 Guatemala |
| CBW | SSKM | Campo Mourão AirportCampo Mourão | Campo Mourão | 🇧🇷 Brazil |
| CBX | YCDO | Condobolin Airport | — | 🇦🇺 Australia |
| CBY | — | Canobie AirportCanobie | Canobie | 🇦🇺 Australia |
| CBZ | — | Binzhou Dagao General Aviation AirportBinzhou | Binzhou | 🇨🇳 China |
| CCA | SLHI | Chimore AirportChimore | Chimore | 🇧🇴 Bolivia |
| CCB | KCCB | Upland-Cable AirportUpland | Upland | 🇺🇸 United States |
| CCC | MUCC | Jardines Del Rey AirportCayo Coco | Cayo Coco | 🇨🇺 Cuba |
| CCD | — | Century City HeliportLos Angeles | Los Angeles | 🇺🇸 United States |
| CCE | HECP | Capital International AirportNew Cairo | New Cairo | 🇪🇬 Egypt |
| CCF | LFMK | Carcassonne Salvaza AirportCarcassonne | Carcassonne | 🇫🇷 France |
| CCG | — | Crane County AirportCrane | Crane | 🇺🇸 United States |
| CCH | SCCC | Chile Chico AirportChile Chico | Chile Chico | 🇨🇱 Chile |
| CCI | SSCK | Olavo Cecco Rigon AirportConcórdia | Concórdia | 🇧🇷 Brazil |
| CCJ | VOCL | Calicut International AirportCalicut | Calicut | 🇮🇳 India |
| CCK | YPCC | Cocos (Keeling) Islands AirportWest Island | West Island | 🇨🇨 Cocos (Keeling) Islands |
| CCL | YCCA | Chinchilla AirportChinchilla | Chinchilla | 🇦🇺 Australia |
| CCM | SSIM | Forquilhinha - Criciúma AirportCriciúma | Criciúma | 🇧🇷 Brazil |
| CCN | OACC | Chaghcharan AirportChaghcharan | Chaghcharan | 🇦🇫 Afghanistan |
| CCO | SKCI | Carimagua AirportPuerto López | Puerto López | 🇨🇴 Colombia |
| CCP | SCIE | Carriel Sur International AirportConcepcion | Concepcion | 🇨🇱 Chile |
| CCR | KCCR | Buchanan FieldConcord | Concord | 🇺🇸 United States |
| CCS | SVMI | MaiquetÃa Simón BolÃvar International AirportMaiquetÃa | MaiquetÃa | 🇻🇪 Venezuela |
| CCU | VECC | Netaji Subhash Chandra Bose International AirportKolkata | Kolkata | 🇮🇳 India |
| CCV | NVSF | Craig Cove AirportCraig Cove | Craig Cove | 🇻🇺 Vanuatu |
| CCW | YCWL | Cowell Airport | — | 🇦🇺 Australia |
| CCX | SWKC | Cáceres AirportCáceres | Cáceres | 🇧🇷 Brazil |
| CCY | KCCY | Northeast Iowa Regional AirportCharles City | Charles City | 🇺🇸 United States |
| CCZ | MYBC | Chub Cay AirportChub Cay | Chub Cay | 🇧🇸 Bahamas |
| CDA | YCOO | Cooinda Airport | — | 🇦🇺 Australia |
| CDB | PACD | Cold Bay AirportCold Bay | Cold Bay | 🇺🇸 United States |
| CDC | KCDC | Cedar City Regional AirportCedar City | Cedar City | 🇺🇸 United States |
| CDD | — | Cauquira AirportCauquira | Cauquira | ðŸ‡ðŸ‡³ Honduras |
| CDE | ZBCD | Chengde Puning AirportChengde | Chengde | 🇨🇳 China |
| CDG | LFPG | Charles de Gaulle International AirportParis (Roissy-en-France, Val-d'Oise) | Paris (Roissy-en-France, Val-d'Oise) | 🇫🇷 France |
| CDH | KCDH | Harrell FieldCamden | Camden | 🇺🇸 United States |
| CDI | SNKI | Cachoeiro do Itapemirim - Raimundo de Andrade AirportCachoeiro do Itapemirim | Cachoeiro do Itapemirim | 🇧🇷 Brazil |
| CDJ | SBAA | Conceição do Araguaia AirportConceição do Araguaia | Conceição do Araguaia | 🇧🇷 Brazil |
| CDK | KCDK | George T Lewis AirportCedar Key | Cedar Key | 🇺🇸 United States |
| CDL | — | Candle 2 AirportCandle | Candle | 🇺🇸 United States |
| CDN | KCDN | Woodward FieldCamden | Camden | 🇺🇸 United States |
| CDO | FACD | Cradock AirportCradock | Cradock | 🇿🇦 South Africa |
| CDP | VOCP | Kadapa AirportKadapa | Kadapa | 🇮🇳 India |
| CDQ | YCRY | Croydon Airport | — | 🇦🇺 Australia |
| CDR | KCDR | Chadron Municipal AirportChadron | Chadron | 🇺🇸 United States |
| CDS | KCDS | Childress Municipal AirportChildress | Childress | 🇺🇸 United States |
| CDT | LECH | Castellón-Costa Azahar AirportCastellón de la Plana | Castellón de la Plana | 🇪🇸 Spain |
| CDU | YSCN | Camden AirportCobbitty | Cobbitty | 🇦🇺 Australia |
| CDV | PACV | Merle K (Mudhole) Smith AirportCordova | Cordova | 🇺🇸 United States |
| CDW | KCDW | Essex County AirportCaldwell | Caldwell | 🇺🇸 United States |
| CDY | RPMU | Cagayan de Sulu AirportMapun | Mapun | 🇵🇠Philippines |
| CEA | KCEA | Cessna Aircraft FieldWichita | Wichita | 🇺🇸 United States |
| CEB | RPVM | Mactan Cebu International AirportCebu City/Lapu-Lapu City | Cebu City/Lapu-Lapu City | 🇵🇠Philippines |
| CEC | KCEC | Jack Mc Namara Field AirportCrescent City | Crescent City | 🇺🇸 United States |
| CED | YCDU | Ceduna Airport | — | 🇦🇺 Australia |
| CEE | ULWC | Cherepovets AirportCherepovets | Cherepovets | 🇷🇺 Russia |
| CEF | — | Westover Metropolitan Airport / Westover Air Reserve BaseChicopee | Chicopee | 🇺🇸 United States |
| CEG | EGNR | Hawarden AirportBroughton | Broughton | 🇬🇧 United Kingdom |
| CEH | FWCD | Chelinda Airfield | — | 🇲🇼 Malawi |
| CEI | VTCT | Mae Fah Luang - Chiang Rai International AirportChiang Rai | Chiang Rai | 🇹🇠Thailand |
| CEK | USCC | Kurchatov Chelyabinsk International AirportChelyabinsk | Chelyabinsk | 🇷🇺 Russia |
| CEL | SSCN | Canela AirportCanela | Canela | 🇧🇷 Brazil |
| CEM | PACE | Central AirportCentral | Central | 🇺🇸 United States |
| CEN | MMCN | Ciudad Obregón International AirportCiudad Obregón | Ciudad Obregón | 🇲🇽 Mexico |
| CEO | FNWK | Waco Kungo AirportWaco Kungo | Waco Kungo | 🇦🇴 Angola |
| CEP | SLCP | Concepción AirportConcepción | Concepción | 🇧🇴 Bolivia |
| CEQ | LFMD | Cannes Mandelieu AirportCannes | Cannes | 🇫🇷 France |
| CER | LFRC | Cherbourg Manche airportCherbourg | Cherbourg | 🇫🇷 France |
| CES | YCNK | Cessnock Airport | — | 🇦🇺 Australia |
| CET | LFOU | Cholet Le Pontreau airfieldCholet | Cholet | 🇫🇷 France |
| CEU | KCEU | Oconee County Regional AirportClemson | Clemson | 🇺🇸 United States |
| CEV | KCEV | Mettel FieldConnersville | Connersville | 🇺🇸 United States |
| CEW | KCEW | Bob Sikes AirportCrestview | Crestview | 🇺🇸 United States |
| CEX | — | Chena Hot Springs AirportChena Hot Springs | Chena Hot Springs | 🇺🇸 United States |
| CEY | KCEY | Murray-Calloway County Airport Kyle-Oakley FieldMurray | Murray | 🇺🇸 United States |
| CEZ | KCEZ | Cortez Municipal AirportCortez | Cortez | 🇺🇸 United States |
| CFB | SBCB | Cabo Frio AirportCabo Frio | Cabo Frio | 🇧🇷 Brazil |
| CFC | SBCD | Doctor Carlos Alberto da Costa Neves AirportCaçador | Caçador | 🇧🇷 Brazil |
| CFD | KCFD | Coulter FieldBryan | Bryan | 🇺🇸 United States |
| CFE | LFLC | Clermont-Ferrand Auvergne airportClermont-Ferrand | Clermont-Ferrand | 🇫🇷 France |
| CFF | FNCF | Cafunfo AirportCafunfo | Cafunfo | 🇦🇴 Angola |
| CFG | MUCF | Jaime Gonzalez AirportCienfuegos | Cienfuegos | 🇨🇺 Cuba |
| CFH | — | Clifton Hills AirportClifton Hills | Clifton Hills | 🇦🇺 Australia |
| CFI | YCFD | Camfield Airport | — | 🇦🇺 Australia |
| CFK | DAOI | Chlef Aboubakr Belkaid International AirportChlef | Chlef | 🇩🇿 Algeria |
| CFM | — | Conklin (Leismer) AirportConklin | Conklin | 🇨🇦 Canada |
| CFN | EIDL | Donegal AirportDonegal | Donegal | 🇮🇪 Ireland |
| CFO | — | Confresa AirportConfresa | Confresa | 🇧🇷 Brazil |
| CFP | — | Carpentaria Downs AirportCarpentaria Downs | Carpentaria Downs | 🇦🇺 Australia |
| CFQ | — | Creston Valley Regional Airport - Art Sutcliffe FieldCreston | Creston | 🇨🇦 Canada |
| CFR | LFRK | Caen Carpiquet airportCaen | Caen | 🇫🇷 France |
| CFS | YCFS | Coffs Harbour AirportCoffs Harbour | Coffs Harbour | 🇦🇺 Australia |
| CFT | KCFT | Greenlee County AirportClifton | Clifton | 🇺🇸 United States |
| CFU | LGKR | Corfu Ioannis Kapodistrias International AirportKerkyra (Corfu) | Kerkyra (Corfu) | 🇬🇷 Greece |
| CFV | KCFV | Coffeyville Municipal AirportCoffeyville | Coffeyville | 🇺🇸 United States |
| CGA | — | Craig Seaplane BaseCraig | Craig | 🇺🇸 United States |
| CGB | SBCY | Várzea Grande–Marechal Rondon International AirportCuiabá | Cuiabá | 🇧🇷 Brazil |
| CGC | AYCG | Cape Gloucester AirportCape Gloucester | Cape Gloucester | 🇵🇬 Papua New Guinea |
| CGD | ZGCD | Changde Taohuayuan AirportChangde (Dingcheng) | Changde (Dingcheng) | 🇨🇳 China |
| CGE | KCGE | Cambridge Dorchester AirportCambridge | Cambridge | 🇺🇸 United States |
| CGF | KCGF | Cuyahoga County AirportCleveland | Cleveland | 🇺🇸 United States |
| CGG | — | Casiguran AirportCasiguran | Casiguran | 🇵🇠Philippines |
| CGH | SBSP | Congonhas–Deputado Freitas Nobre AirportSão Paulo | São Paulo | 🇧🇷 Brazil |
| CGI | KCGI | Cape Girardeau Regional AirportCape Girardeau | Cape Girardeau | 🇺🇸 United States |
| CGJ | FLKE | Kasompe AirportChingola | Chingola | 🇿🇲 Zambia |
| CGK | WIII | Soekarno-Hatta International AirportJakarta | Jakarta | 🇮🇩 Indonesia |
| CGL | SPGL | Chagual Airport | — | 🇵🇪 Peru |
| CGM | RPMH | Camiguin AirportMambajao | Mambajao | 🇵🇠Philippines |
| CGN | EDDK | Cologne Bonn AirportKöln (Cologne) | Köln (Cologne) | 🇩🇪 Germany |
| CGO | ZHCC | Zhengzhou Xinzheng International AirportZhengzhou | Zhengzhou | 🇨🇳 China |
| CGP | VGEG | Shah Amanat International AirportChattogram (Chittagong) | Chattogram (Chittagong) | 🇧🇩 Bangladesh |
| CGQ | ZYCC | Changchun Longjia International AirportChangchun | Changchun | 🇨🇳 China |
| CGR | SBCG | Campo Grande AirportCampo Grande | Campo Grande | 🇧🇷 Brazil |
| CGS | KCGS | College Park AirportCollege Park | College Park | 🇺🇸 United States |
| CGV | YCAG | Caiguna Airport | — | 🇦🇺 Australia |
| CGX | FLCU | Chunga AirstripChunga | Chunga | 🇿🇲 Zambia |
| CGY | RPMY | Laguindingan International AirportLaguindingan | Laguindingan | 🇵🇠Philippines |
| CGZ | KCGZ | Casa Grande Municipal AirportCasa Grande | Casa Grande | 🇺🇸 United States |
| CHA | KCHA | Chattanooga Metropolitan Airport (Lovell Field)Chattanooga | Chattanooga | 🇺🇸 United States |
| CHB | OPCL | Chilas AirportChilas | Chilas | 🇵🇰 Pakistan |
| CHC | NZCH | Christchurch International AirportChristchurch | Christchurch | 🇳🇿 New Zealand |
| CHD | — | Mucugê AirportMucugê | Mucugê | 🇧🇷 Brazil |
| CHE | EECL | Tallinn Linnahall HeliportTallinn | Tallinn | 🇪🇪 Estonia |
| CHF | RKPE | Jinhae Air BaseJinhae | Jinhae | 🇰🇷 South Korea |
| CHG | ZYCY | Chaoyang AirportShuangta, Chaoyang | Shuangta, Chaoyang | 🇨🇳 China |
| CHH | SPPY | Chachapoyas AirportChachapoyas | Chachapoyas | 🇵🇪 Peru |
| CHJ | FVCH | Chipinge AirportChipinge | Chipinge | 🇿🇼 Zimbabwe |
| CHK | KCHK | Chickasha Municipal AirportChickasha | Chickasha | 🇺🇸 United States |
| CHL | KLLJ | Challis AirportChallis | Challis | 🇺🇸 United States |
| CHM | SPEO | FAP Lieutenant Jaime Andres de Montreuil Morales AirportChimbote | Chimbote | 🇵🇪 Peru |
| CHN | RKJU | Jeonju (G 703) Air BaseJeonju | Jeonju | 🇰🇷 South Korea |
| CHO | KCHO | Charlottesville Albemarle AirportCharlottesville | Charlottesville | 🇺🇸 United States |
| CHP | — | Circle Hot Springs AirportCircle Hot Springs | Circle Hot Springs | 🇺🇸 United States |
| CHQ | LGSA | Chania International AirportSouda | Souda | 🇬🇷 Greece |
| CHR | LFLX | Châteauroux Déols airportChâteauroux | Châteauroux | 🇫🇷 France |
| CHS | KCHS | Charleston International AirportCharleston | Charleston | 🇺🇸 United States |
| CHT | NZCI | Inia William Tuuta Memorial AirportTe One | Te One | 🇳🇿 New Zealand |
| CHU | PACH | Chuathbaluk AirportChuathbaluk | Chuathbaluk | 🇺🇸 United States |
| CHX | MPCH | Changuinola Captain Manuel Niño International AirportChanguinola | Changuinola | 🇵🇦 Panama |
| CHY | AGGC | Choiseul Bay AirportChoiseul Bay | Choiseul Bay | 🇸🇧 Solomon Islands |
| CHZ | — | Chiloquin State AirportChiloquin | Chiloquin | 🇺🇸 United States |
| CIA | LIRA | Ciampino–G. B. Pastine International AirportRome | Rome | 🇮🇹 Italy |
| CIC | KCIC | Chico Regional AirportChico | Chico | 🇺🇸 United States |
| CID | KCID | The Eastern Iowa AirportCedar Rapids | Cedar Rapids | 🇺🇸 United States |
| CIE | YCOI | Collie AirportCollie | Collie | 🇦🇺 Australia |
| CIF | ZBCF | Chifeng Yulong AirportChifeng | Chifeng | 🇨🇳 China |
| CIG | KCAG | Craig Moffat AirportCraig | Craig | 🇺🇸 United States |
| CIH | ZBCZ | Changzhi Wangcun AirportChangzhi | Changzhi | 🇨🇳 China |
| CII | LTBD | Aydın Çıldır AirportAydın | Aydın | 🇹🇷 Türkiye |
| CIJ | SLCO | Capitán AnÃbal Arab AirportCobija | Cobija | 🇧🇴 Bolivia |
| CIK | PACI | Chalkyitsik AirportChalkyitsik | Chalkyitsik | 🇺🇸 United States |
| CIL | — | Council AirportCouncil | Council | 🇺🇸 United States |
| CIM | SKCM | Cimitarra AirportCimitarra | Cimitarra | 🇨🇴 Colombia |
| CIN | KCIN | Arthur N Neu AirportCarroll | Carroll | 🇺🇸 United States |
| CIO | SGCO | Lieutenant Colonel Carmelo Peralta National AirportConcepción | Concepción | 🇵🇾 Paraguay |
| CIP | FLCP | Chipata AirportChipata | Chipata | 🇿🇲 Zambia |
| CIQ | — | Chiquimula AirportChiquimula | Chiquimula | 🇬🇹 Guatemala |
| CIR | KCIR | Cairo Regional AirportCairo | Cairo | 🇺🇸 United States |
| CIS | PCIS | Canton Island AirportAbariringa | Abariringa | 🇰🇮 Kiribati |
| CIT | UAII | Shymkent International AirportShymkent | Shymkent | 🇰🇿 Kazakhstan |
| CIU | KCIU | Chippewa County International AirportKincheloe | Kincheloe | 🇺🇸 United States |
| CIW | TVSC | Canouan AirportCanouan | Canouan | 🇻🇨 St. Vincent & Grenadines |
| CIX | SPHI | Capitán FAP José A. Quiñones González International AirportChiclayo | Chiclayo | 🇵🇪 Peru |
| CIY | LICB | Comiso AirportComiso | Comiso | 🇮🇹 Italy |
| CIZ | SWKO | Danilson Municipal AirportCoari | Coari | 🇧🇷 Brazil |
| CJA | SPJR | Mayor General FAP Armando Revoredo Iglesias AirportCajamarca | Cajamarca | 🇵🇪 Peru |
| CJB | VOCB | Coimbatore International AirportCoimbatore | Coimbatore | 🇮🇳 India |
| CJC | SCCF | El Loa AirportCalama | Calama | 🇨🇱 Chile |
| CJD | — | Candilejas AirportCandilejas | Candilejas | 🇨🇴 Colombia |
| CJF | YCWA | Coondewanna AirportCoondewanna | Coondewanna | 🇦🇺 Australia |
| CJH | — | Chilko Lake (Tsylos Park Lodge) AirportChilko Lake | Chilko Lake | 🇨🇦 Canada |
| CJJ | RKTU | Cheongju International AirportCheongju | Cheongju | 🇰🇷 South Korea |
| CJL | OPCH | Chitral AirportChitral | Chitral | 🇵🇰 Pakistan |
| CJM | VTSE | Chumphon AirportChumphon | Chumphon | 🇹🇠Thailand |
| CJN | WICN | Nusawiru AirportCijulang | Cijulang | 🇮🇩 Indonesia |
| CJS | MMCS | Abraham González International AirportCiudad Juárez | Ciudad Juárez | 🇲🇽 Mexico |
| CJT | MMCO | San Antonio Copalar AirportComitán | Comitán | 🇲🇽 Mexico |
| CJU | RKPC | Jeju International AirportJeju City | Jeju City | 🇰🇷 South Korea |
| CJZ | SJZA | Pedro Vieira Moreira AirportCajazeiras | Cajazeiras | 🇧🇷 Brazil |
| CKA | KCKA | Kegelman AF Aux FieldCherokee | Cherokee | 🇺🇸 United States |
| CKB | KCKB | North Central West Virginia AirportBridgeport | Bridgeport | 🇺🇸 United States |
| CKC | UKKE | Cherkasy International AirportCherkasy | Cherkasy | 🇺🇦 Ukraine |
| CKD | PACJ | Crooked Creek AirportCrooked Creek | Crooked Creek | 🇺🇸 United States |
| CKE | — | Lampson FieldLakeport | Lakeport | 🇺🇸 United States |
| CKG | ZUCK | Chongqing Jiangbei International AirportChongqing | Chongqing | 🇨🇳 China |
| CKH | UESO | Chokurdakh AirportChokurdah | Chokurdah | 🇷🇺 Russia |
| CKI | YCKI | Croker Island Airport | — | 🇦🇺 Australia |
| CKK | KCVK | Sharp County Regional AirportAsh Flat | Ash Flat | 🇺🇸 United States |
| CKL | UUMU | Chkalovskiy Air BaseMoscow | Moscow | 🇷🇺 Russia |
| CKM | KCKM | Fletcher FieldClarksdale | Clarksdale | 🇺🇸 United States |
| CKN | KCKN | Crookston Municipal Kirkwood FieldCrookston | Crookston | 🇺🇸 United States |
| CKO | SSCP | Cornélio Procópio AirportCornélio Procópio | Cornélio Procópio | 🇧🇷 Brazil |
| CKR | — | Crane Island AirstripCrane Island | Crane Island | 🇺🇸 United States |
| CKS | SBCJ | Carajás AirportParauapebas | Parauapebas | 🇧🇷 Brazil |
| CKT | OIMC | Sarakhs AirportSarakhs | Sarakhs | 🇮🇷 Iran |
| CKU | — | Cordova Municipal AirportCordova | Cordova | 🇺🇸 United States |
| CKV | KCKV | Clarksville–Montgomery County Regional AirportClarksville | Clarksville | 🇺🇸 United States |
| CKW | YCHK | Christmas Creek AirportChristmas Creek Mine | Christmas Creek Mine | 🇦🇺 Australia |
| CKX | — | Chicken AirportChicken | Chicken | 🇺🇸 United States |
| CKY | GUCY | Ahmed Sékou Touré International AirportConakry | Conakry | 🇬🇳 Guinea |
| CKZ | LTBH | Çanakkale AirportÇanakkale | Çanakkale | 🇹🇷 Türkiye |
| CLA | VGCM | Comilla AirportComilla | Comilla | 🇧🇩 Bangladesh |
| CLD | KCRQ | McClellan-Palomar AirportCarlsbad | Carlsbad | 🇺🇸 United States |
| CLE | KCLE | Cleveland Hopkins International AirportCleveland | Cleveland | 🇺🇸 United States |
| CLG | — | New Coalinga Municipal AirportCoalinga | Coalinga | 🇺🇸 United States |
| CLH | YCAH | Coolah Airport | — | 🇦🇺 Australia |
| CLI | KCLI | Clintonville Municipal AirportClintonville | Clintonville | 🇺🇸 United States |
| CLJ | LRCL | Avram Iancu Cluj International AirportCluj-Napoca | Cluj-Napoca | 🇷🇴 Romania |
| CLK | KCLK | Clinton Regional AirportClinton | Clinton | 🇺🇸 United States |
| CLL | KCLL | Easterwood FieldCollege Station | College Station | 🇺🇸 United States |
| CLM | KCLM | William R Fairchild International AirportPort Angeles | Port Angeles | 🇺🇸 United States |
| CLN | SBCI | Brig. Lysias Augusto Rodrigues AirportCarolina | Carolina | 🇧🇷 Brazil |
| CLO | SKCL | Alfonso Bonilla Aragon International AirportCali | Cali | 🇨🇴 Colombia |
| CLP | PFCL | Clarks Point AirportClarks Point | Clarks Point | 🇺🇸 United States |
| CLQ | MMIA | Licenciado Miguel de la Madrid International AirportColima | Colima | 🇲🇽 Mexico |
| CLR | KCLR | Cliff Hatfield Memorial AirportCalipatria | Calipatria | 🇺🇸 United States |
| CLS | KCLS | Chehalis Centralia AirportChehalis | Chehalis | 🇺🇸 United States |
| CLT | KCLT | Charlotte Douglas International AirportCharlotte | Charlotte | 🇺🇸 United States |
| CLU | KBAK | Columbus Municipal AirportColumbus | Columbus | 🇺🇸 United States |
| CLV | SBCN | Nelson Ribeiro Guimarães AirportCaldas Novas | Caldas Novas | 🇧🇷 Brazil |
| CLW | KCLW | Clearwater Air ParkClearwater | Clearwater | 🇺🇸 United States |
| CLX | SATC | Aeródromo de ClorindaClorinda | Clorinda | 🇦🇷 Argentina |
| CLY | LFKC | Calvi Sainte Catherine AirportCalvi | Calvi | 🇫🇷 France |
| CLZ | SVCL | Calabozo AirportGuarico | Guarico | 🇻🇪 Venezuela |
| CMA | YCMU | Cunnamulla Airport | — | 🇦🇺 Australia |
| CMB | VCBI | Bandaranaike International Colombo AirportColombo | Colombo | 🇱🇰 Sri Lanka |
| CMC | SNWC | Camocim - Pinto Martins AirportCamocim | Camocim | 🇧🇷 Brazil |
| CMD | YCTM | Cootamundra Airport | — | 🇦🇺 Australia |
| CME | MMCE | Ciudad del Carmen International AirportCiudad del Carmen | Ciudad del Carmen | 🇲🇽 Mexico |
| CMF | LFLB | Chambéry Aix les Bains airportChambéry | Chambéry | 🇫🇷 France |
| CMG | SBCR | Corumbá International AirportCorumbá | Corumbá | 🇧🇷 Brazil |
| CMH | KCMH | John Glenn Columbus International AirportColumbus | Columbus | 🇺🇸 United States |
| CMI | KCMI | University of Illinois Willard AirportSavoy | Savoy | 🇺🇸 United States |
| CMJ | RCCM | Qimei AirportQimei | Qimei | 🇹🇼 Taiwan |
| CMK | FWCM | Club Makokola AirportClub Makokola | Club Makokola | 🇲🇼 Malawi |
| CML | YCMW | Camooweal Airport | — | 🇦🇺 Australia |
| CMM | MGCR | Carmelita AirportCarmelita | Carmelita | 🇬🇹 Guatemala |
| CMN | GMMN | Mohammed V International AirportCasablanca | Casablanca | 🇲🇦 Morocco |
| CMO | HCMO | Hobyo AirportHobyo | Hobyo | 🇸🇴 Somalia |
| CMP | — | Santana do Araguaia AirportSantana do Araguaia | Santana do Araguaia | 🇧🇷 Brazil |
| CMQ | YCMT | Clermont Airport | — | 🇦🇺 Australia |
| CMR | LFGA | Colmar Houssen airportColmar | Colmar | 🇫🇷 France |
| CMS | HCMS | Iskushuban AirportIskushuban | Iskushuban | 🇸🇴 Somalia |
| CMT | — | New Cametá AirportCametá | Cametá | 🇧🇷 Brazil |
| CMU | AYCH | Chimbu AirportKundiawa | Kundiawa | 🇵🇬 Papua New Guinea |
| CMV | NZCX | Coromandel AirportCoromandel | Coromandel | 🇳🇿 New Zealand |
| CMW | MUCM | Ignacio Agramonte International AirportCamaguey | Camaguey | 🇨🇺 Cuba |
| CMX | KCMX | Houghton County Memorial AirportHancock | Hancock | 🇺🇸 United States |
| CMY | KCMY | Sparta Fort McCoy AirportSparta | Sparta | 🇺🇸 United States |
| CMZ | — | Caia AirportCaia | Caia | 🇲🇿 Mozambique |
| CNA | MMCA | Cananea National AirportCananea | Cananea | 🇲🇽 Mexico |
| CNB | YCNM | Coonamble Airport | — | 🇦🇺 Australia |
| CNC | YCCT | Coconut Island Airport | — | 🇦🇺 Australia |
| CND | LRCK | Mihail Kogălniceanu International AirportConstanța | Constanța | 🇷🇴 Romania |
| CNE | — | Fremont County AirportPenrose | Penrose | 🇺🇸 United States |
| CNF | SBCF | Tancredo Neves International AirportBelo Horizonte | Belo Horizonte | 🇧🇷 Brazil |
| CNG | LFBG | Cognac-Châteaubernard (BA 709) Air BaseCognac/Châteaubernard | Cognac/Châteaubernard | 🇫🇷 France |
| CNH | KCNH | Claremont Municipal AirportClaremont | Claremont | 🇺🇸 United States |
| CNI | ZYCH | Changhai Dachangshandao AirportDalian (Changhai) | Dalian (Changhai) | 🇨🇳 China |
| CNJ | YCCY | Cloncurry AirportCloncurry | Cloncurry | 🇦🇺 Australia |
| CNK | KCNK | Blosser Municipal AirportConcordia | Concordia | 🇺🇸 United States |
| CNL | EKSN | Sindal AirportSindal | Sindal | 🇩🇰 Denmark |
| CNM | KCNM | Cavern City Air TerminalCarlsbad | Carlsbad | 🇺🇸 United States |
| CNN | VOKN | Kannur International AirportKannur | Kannur | 🇮🇳 India |
| CNO | KCNO | Chino AirportChino | Chino | 🇺🇸 United States |
| CNP | BGCO | Neerlerit Inaat AirportNeerlerit Inaat | Neerlerit Inaat | 🇬🇱 Greenland |
| CNQ | SARC | Corrientes AirportCorrientes | Corrientes | 🇦🇷 Argentina |
| CNR | SCRA | Chañaral AirportChañaral | Chañaral | 🇨🇱 Chile |
| CNS | YBCS | Cairns International AirportCairns | Cairns | 🇦🇺 Australia |
| CNT | — | Charata AirportCharata | Charata | 🇦🇷 Argentina |
| CNU | KCNU | Chanute Martin Johnson AirportChanute | Chanute | 🇺🇸 United States |
| CNV | SNED | Sócrates Rezende AirportCanavieiras | Canavieiras | 🇧🇷 Brazil |
| CNW | KCNW | TSTC Waco AirportWaco | Waco | 🇺🇸 United States |
| CNX | VTCC | Chiang Mai International AirportChiang Mai | Chiang Mai | 🇹🇠Thailand |
| CNY | KCNY | Canyonlands Regional AirportMoab | Moab | 🇺🇸 United States |
| CNZ | — | Cangamba AirportCangamba | Cangamba | 🇦🇴 Angola |
| COA | — | Columbia AirportColumbia | Columbia | 🇺🇸 United States |
| COB | — | Coolibah AirportCoolibah | Coolibah | 🇦🇺 Australia |
| COC | SAAC | Comodoro Pierrestegui AirportConcordia | Concordia | 🇦🇷 Argentina |
| COD | KCOD | Yellowstone Regional AirportCody | Cody | 🇺🇸 United States |
| COE | KCOE | Coeur D'Alene Airport - Pappy Boyington FieldCoeur d'Alene | Coeur d'Alene | 🇺🇸 United States |
| COF | KCOF | Patrick Space Force BaseCocoa Beach | Cocoa Beach | 🇺🇸 United States |
| COG | SKCD | Mandinga AirportCondoto | Condoto | 🇨🇴 Colombia |
| COH | VECO | Cooch Behar AirportCooch Behar | Cooch Behar | 🇮🇳 India |
| COI | KCOI | Merritt Island AirportMerritt Island | Merritt Island | 🇺🇸 United States |
| COJ | YCBB | Coonabarabran Airport | — | 🇦🇺 Australia |
| COK | VOCI | Cochin International AirportKochi | Kochi | 🇮🇳 India |
| COL | EGEL | Coll AirportColl Island | Coll Island | 🇬🇧 United Kingdom |
| COM | KCOM | Coleman Municipal AirportColeman | Coleman | 🇺🇸 United States |
| CON | KCON | Concord Municipal AirportConcord | Concord | 🇺🇸 United States |
| COO | DBBB | Cotonou Cadjehoun International AirportCotonou | Cotonou | 🇧🇯 Benin |
| COP | — | Cooperstown-Westville AirportCooperstown | Cooperstown | 🇺🇸 United States |
| COQ | ZMCD | Choibalsan Airport | — | 🇲🇳 Mongolia |
| COR | SACO | Ingeniero Aeronáutico Ambrosio L.V. Taravella International AirportCordoba | Cordoba | 🇦🇷 Argentina |
| COS | KCOS | City of Colorado Springs Municipal AirportColorado Springs | Colorado Springs | 🇺🇸 United States |
| COT | KCOT | Cotulla-La Salle County AirportCotulla | Cotulla | 🇺🇸 United States |
| COU | KCOU | Columbia Regional AirportColumbia | Columbia | 🇺🇸 United States |
| COV | LTDB | Çukurova International AirportTarsus | Tarsus | 🇹🇷 Türkiye |
| COW | — | Tambillos AirportCoquimbo | Coquimbo | 🇨🇱 Chile |
| COY | YCWY | Coolawanyah AirportCoolawanyah Station | Coolawanyah Station | 🇦🇺 Australia |
| COZ | MDCZ | Constanza - Expedición 14 de Junio National AirportCostanza | Costanza | 🇩🇴 Dominican Republic |
| CPA | GLCP | Cape Palmas AirportHarper | Harper | 🇱🇷 Liberia |
| CPB | SKCA | Capurganá AirportAcandà | Acandà | 🇨🇴 Colombia |
| CPC | SAZY | Aviador C. Campos AirportChapelco/San Martin de los Andes | Chapelco/San Martin de los Andes | 🇦🇷 Argentina |
| CPD | YCBP | Coober Pedy AirportCoober Pedy | Coober Pedy | 🇦🇺 Australia |
| CPE | MMCP | Ingeniero Alberto Acuña Ongay International AirportCampeche | Campeche | 🇲🇽 Mexico |
| CPF | WARC | Ngloram AirportBlora | Blora | 🇮🇩 Indonesia |
| CPG | — | Carmen de Patagones AirportCarmen de Patagones | Carmen de Patagones | 🇦🇷 Argentina |
| CPH | EKCH | Copenhagen Kastrup AirportCopenhagen | Copenhagen | 🇩🇰 Denmark |
| CPI | — | Cape Orford Airport | — | 🇵🇬 Papua New Guinea |
| CPL | SKHA | General Navas Pardo AirportChaparral | Chaparral | 🇨🇴 Colombia |
| CPM | KCPM | Compton Woodley AirportCompton | Compton | 🇺🇸 United States |
| CPN | — | Cape Rodney AirportCape Rodney | Cape Rodney | 🇵🇬 Papua New Guinea |
| CPO | SCAT | Desierto de Atacama AirportCopiapo | Copiapo | 🇨🇱 Chile |
| CPP | SCKP | Coposa AirportPica | Pica | 🇨🇱 Chile |
| CPR | KCPR | Casper-Natrona County International AirportCasper | Casper | 🇺🇸 United States |
| CPS | KCPS | St Louis Downtown AirportCahokia/St Louis | Cahokia/St Louis | 🇺🇸 United States |
| CPT | FACT | Cape Town International AirportCape Town | Cape Town | 🇿🇦 South Africa |
| CPU | — | Cururupu AirportCururupu | Cururupu | 🇧🇷 Brazil |
| CPV | SBKG | Presidente João Suassuna AirportCampina Grande | Campina Grande | 🇧🇷 Brazil |
| CPX | TJCP | Benjamin Rivera Noriega AirportCulebra | Culebra | 🇵🇷 Puerto Rico |
| CQA | SWEK | Canarana AirportCanarana | Canarana | 🇧🇷 Brazil |
| CQD | OIFS | Shahrekord AirportShahrekord | Shahrekord | 🇮🇷 Iran |
| CQF | LFAC | Calais Marck AirportCalais | Calais | 🇫🇷 France |
| CQM | LERL | Ciudad Real International AirportCiudad Real | Ciudad Real | 🇪🇸 Spain |
| CQP | — | Cape Flattery Airport | — | 🇦🇺 Australia |
| CQS | SWCQ | Costa Marques AirportCosta Marques | Costa Marques | 🇧🇷 Brazil |
| CQT | — | Caquetania AirportCaquetania | Caquetania | 🇨🇴 Colombia |
| CQW | ZUWL | Chongqing Xiannüshan AirportWulong | Wulong | 🇨🇳 China |
| CRA | LRCV | Craiova International AirportCraiova | Craiova | 🇷🇴 Romania |
| CRB | YCBR | Collarenebri Airport | — | 🇦🇺 Australia |
| CRC | SKGO | Santa Ana AirportCartago | Cartago | 🇨🇴 Colombia |
| CRD | SAVC | General Enrique Mosconi International AirportComodoro Rivadavia | Comodoro Rivadavia | 🇦🇷 Argentina |
| CRE | KCRE | Grand Strand AirportNorth Myrtle Beach | North Myrtle Beach | 🇺🇸 United States |
| CRF | FEFC | Carnot AirportCarnot | Carnot | 🇨🇫 Central African Republic |
| CRG | KCRG | Jacksonville Executive at Craig AirportJacksonville | Jacksonville | 🇺🇸 United States |
| CRH | — | Cherrabah AirportCherrabah Homestead Resort | Cherrabah Homestead Resort | 🇦🇺 Australia |
| CRI | MYCI | Colonel Hill AirportColonel Hill | Colonel Hill | 🇧🇸 Bahamas |
| CRJ | — | Coorabie AirportCoorabie | Coorabie | 🇦🇺 Australia |
| CRK | RPLC | Clark International Airport / Clark Air BaseMabalacat | Mabalacat | 🇵🇠Philippines |
| CRL | EBCI | Brussels South Charleroi AirportCharleroi | Charleroi | 🇧🇪 Belgium |
| CRM | RPVF | Catarman National AirportCatarman | Catarman | 🇵🇠Philippines |
| CRO | — | Corcoran AirportCorcoran | Corcoran | 🇺🇸 United States |
| CRP | KCRP | Corpus Christi International AirportCorpus Christi | Corpus Christi | 🇺🇸 United States |
| CRQ | — | Caravelas AirportCaravelas | Caravelas | 🇧🇷 Brazil |
| CRR | SANW | Ceres AirportCeres | Ceres | 🇦🇷 Argentina |
| CRS | KCRS | C David Campbell Field Corsicana Municipal AirportCorsicana | Corsicana | 🇺🇸 United States |
| CRT | KCRT | Z M Jack Stell FieldCrossett | Crossett | 🇺🇸 United States |
| CRU | TGPZ | Lauriston AirportCarriacou Island | Carriacou Island | 🇬🇩 Grenada |
| CRV | LIBC | Crotone Sant'Anna Pythagoras AirportIsola di Capo Rizzuto (KR) | Isola di Capo Rizzuto (KR) | 🇮🇹 Italy |
| CRW | KCRW | Yeager AirportCharleston | Charleston | 🇺🇸 United States |
| CRX | KCRX | Roscoe Turner AirportCorinth | Corinth | 🇺🇸 United States |
| CRY | — | Carlton Hill AirportCarlton Hill | Carlton Hill | 🇦🇺 Australia |
| CRZ | UTAV | Türkmenabat International AirportTürkmenabat | Türkmenabat | 🇹🇲 Turkmenistan |
| CSA | EGEY | Colonsay AirstripColonsay | Colonsay | 🇬🇧 United Kingdom |
| CSB | LRCS | Caransebeş AirportCaransebeş | Caransebeş | 🇷🇴 Romania |
| CSC | MRMJ | Mojica AirportCañas | Cañas | 🇨🇷 Costa Rica |
| CSD | — | Cresswell Downs AirportCresswell Downs | Cresswell Downs | 🇦🇺 Australia |
| CSE | — | Crested Butte AirparkCrested Butte | Crested Butte | 🇺🇸 United States |
| CSF | LFPC | Creil Air BaseCreil | Creil | 🇫🇷 France |
| CSG | KCSG | Columbus AirportColumbus | Columbus | 🇺🇸 United States |
| CSH | — | Solovki AirportSolovetsky Islands | Solovetsky Islands | 🇷🇺 Russia |
| CSI | YCAS | Casino Airport | — | 🇦🇺 Australia |
| CSK | GOGS | Cap Skirring AirportCap Skirring | Cap Skirring | 🇸🇳 Senegal |
| CSM | KCSM | Clinton Sherman AirportClinton | Clinton | 🇺🇸 United States |
| CSN | KCXP | Carson AirportCarson City | Carson City | 🇺🇸 United States |
| CSO | EDBC | Cochstedt AirportHecklingen | Hecklingen | 🇩🇪 Germany |
| CSQ | KCSQ | Creston Municipal AirportCreston | Creston | 🇺🇸 United States |
| CSR | — | Casuarito AirportCasuarito | Casuarito | 🇨🇴 Colombia |
| CSS | SSCL | Cassilândia AirportCassilândia | Cassilândia | 🇧🇷 Brazil |
| CST | NFCS | Castaway Island Seaplane BaseCastaway Island | Castaway Island | 🇫🇯 Fiji |
| CSU | SSSC | Santa Cruz do Sul AirportSanta Cruz do Sul | Santa Cruz do Sul | 🇧🇷 Brazil |
| CSV | KCSV | Crossville Memorial Airport Whitson FieldCrossville | Crossville | 🇺🇸 United States |
| CSW | MMSL | Cabo San Lucas International AirportCabo San Lucas | Cabo San Lucas | 🇲🇽 Mexico |
| CSX | ZGHA | Changsha Huanghua International AirportChangsha (Changsha) | Changsha (Changsha) | 🇨🇳 China |
| CSY | UWKS | Cheboksary AirportCheboksary | Cheboksary | 🇷🇺 Russia |
| CSZ | SAZC | Brigadier D.H.E. Ruiz AirportCoronel Suarez | Coronel Suarez | 🇦🇷 Argentina |
| CTA | LICC | Catania-Fontanarossa AirportCatania | Catania | 🇮🇹 Italy |
| CTB | KCTB | Cut Bank International AirportCut Bank | Cut Bank | 🇺🇸 United States |
| CTC | SANC | Coronel Felipe Varela International AirportCatamarca | Catamarca | 🇦🇷 Argentina |
| CTD | MPCE | Alonso Valderrama AirportChitré | Chitré | 🇵🇦 Panama |
| CTE | — | Cartà AirportCartà Islands | Cartà Islands | 🇵🇦 Panama |
| CTF | MGCT | Coatepeque AirportCoatepeque | Coatepeque | 🇬🇹 Guatemala |
| CTG | SKCG | Rafael Nuñez International AirportCartagena | Cartagena | 🇨🇴 Colombia |
| CTH | KMQS | Chester County G O Carlson AirportCoatesville | Coatesville | 🇺🇸 United States |
| CTI | FNCV | Cuito Cuanavale AirportCuito Cuanavale | Cuito Cuanavale | 🇦🇴 Angola |
| CTK | — | Canton Municipal AirportCanton | Canton | 🇺🇸 United States |
| CTL | YBCV | Charleville AirportCharleville | Charleville | 🇦🇺 Australia |
| CTM | MMCM | Chetumal International AirportChetumal | Chetumal | 🇲🇽 Mexico |
| CTN | YCKN | Cooktown Airport | — | 🇦🇺 Australia |
| CTO | — | Calverton Executive AirparkCalverton | Calverton | 🇺🇸 United States |
| CTP | — | Carutapera AirportCarutapera | Carutapera | 🇧🇷 Brazil |
| CTQ | — | Santa Vitória do Palmar AirportSanta Vitória do Palmar | Santa Vitória do Palmar | 🇧🇷 Brazil |
| CTR | — | Cattle Creek Airport | — | 🇦🇺 Australia |
| CTS | RJCC | New Chitose Airport Live camSapporo | Sapporo | 🇯🇵 Japan |
| CTT | LFMQ | Le Castellet AirportLe Castellet, Var | Le Castellet, Var | 🇫🇷 France |
| CTU | ZUUU | Chengdu Shuangliu International AirportChengdu (Shuangliu) | Chengdu (Shuangliu) | 🇨🇳 China |
| CTV | — | Catoca AirportSaurimo | Saurimo | 🇦🇴 Angola |
| CTW | — | Cottonwood AirportCottonwood | Cottonwood | 🇺🇸 United States |
| CTX | — | Cortland County Chase FieldCortland | Cortland | 🇺🇸 United States |
| CTY | KCTY | Cross City AirportCross City | Cross City | 🇺🇸 United States |
| CTZ | KCTZ | Sampson County AirportClinton | Clinton | 🇺🇸 United States |
| CUA | MMDA | Ciudad Constitución National AirportComondú | Comondú | 🇲🇽 Mexico |
| CUB | KCUB | Jim Hamilton L.B. Owens AirportColumbia | Columbia | 🇺🇸 United States |
| CUC | SKCC | Camilo Daza International AirportCúcuta | Cúcuta | 🇨🇴 Colombia |
| CUD | YCDR | Caloundra AirportCaloundra | Caloundra | 🇦🇺 Australia |
| CUE | SECU | Mariscal Lamar AirportCuenca | Cuenca | 🇪🇨 Ecuador |
| CUF | LIMZ | Cuneo International AirportLevaldigi (CN) | Levaldigi (CN) | 🇮🇹 Italy |
| CUG | YCUA | Cudal Airport | — | 🇦🇺 Australia |
| CUH | KCUH | Cushing Municipal AirportCushing | Cushing | 🇺🇸 United States |
| CUI | — | Currillo AirportCurrillo | Currillo | 🇨🇴 Colombia |
| CUJ | — | Culion AirportCulion | Culion | 🇵🇠Philippines |
| CUK | MZCK | Caye Caulker AirportCaye Caulker | Caye Caulker | 🇧🇿 Belize |
| CUL | MMCL | Bachigualato Federal International AirportCuliacán | Culiacán | 🇲🇽 Mexico |
| CUM | SVCU | Antonio José de Sucre AirportCumaná | Cumaná | 🇻🇪 Venezuela |
| CUN | MMUN | Cancún International AirportCancún | Cancún | 🇲🇽 Mexico |
| CUO | SKCR | Carurú AirportCarurú | Carurú | 🇨🇴 Colombia |
| CUP | SVCP | General Francisco Bermúdez AirportCarúpano | Carúpano | 🇻🇪 Venezuela |
| CUQ | YCOE | Coen AirportCoen | Coen | 🇦🇺 Australia |
| CUR | TNCC | Hato International AirportWillemstad | Willemstad | 🇨🇼 Curaçao |
| CUS | — | Columbus AirportColumbus | Columbus | 🇺🇸 United States |
| CUT | SAZW | Cutral-Co AirportCutral-Co | Cutral-Co | 🇦🇷 Argentina |
| CUU | MMCU | General Roberto Fierro Villalobos International AirportChihuahua | Chihuahua | 🇲🇽 Mexico |
| CUV | SVCG | Casigua El Cubo AirportCasigua El Cubo | Casigua El Cubo | 🇻🇪 Venezuela |
| CUY | YCUE | Cue Airport | — | 🇦🇺 Australia |
| CUZ | SPZO | Alejandro Velasco Astete International AirportCusco | Cusco | 🇵🇪 Peru |
| CVB | AYCB | Chungribu AirportChungribu | Chungribu | 🇵🇬 Papua New Guinea |
| CVC | YCEE | Cleve Airport | — | 🇦🇺 Australia |
| CVE | SKCV | Coveñas AirportCoveñas | Coveñas | 🇨🇴 Colombia |
| CVF | LFLJ | Courchevel AltiportSaint-Bon | Saint-Bon | 🇫🇷 France |
| CVG | KCVG | Cincinnati Northern Kentucky International AirportCincinnati / Covington | Cincinnati / Covington | 🇺🇸 United States |
| CVH | — | Caviahue AirportLafontaine | Lafontaine | 🇦🇷 Argentina |
| CVI | — | Caleta Olivia AirportCaleta Olivia | Caleta Olivia | 🇦🇷 Argentina |
| CVJ | MMCB | General Mariano Matamoros International AirportTemixco | Temixco | 🇲🇽 Mexico |
| CVL | — | Cape Vogel Airport | — | 🇵🇬 Papua New Guinea |
| CVM | MMCV | General Pedro Jose Mendez International AirportCiudad Victoria | Ciudad Victoria | 🇲🇽 Mexico |
| CVN | KCVN | Clovis Municipal AirportClovis | Clovis | 🇺🇸 United States |
| CVO | KCVO | Corvallis Municipal AirportCorvallis | Corvallis | 🇺🇸 United States |
| CVQ | YCAR | Carnarvon AirportCarnarvon | Carnarvon | 🇦🇺 Australia |
| CVS | KCVS | Cannon Air Force BaseClovis | Clovis | 🇺🇸 United States |
| CVU | LPCR | Corvo AirportCorvo | Corvo | 🇵🇹 Portugal |
| CWA | KCWA | Central Wisconsin AirportMosinee | Mosinee | 🇺🇸 United States |
| CWB | SBCT | Curitiba-Afonso Pena International AirportCuritiba | Curitiba | 🇧🇷 Brazil |
| CWC | UKLN | Chernivtsi International AirportChernivtsi | Chernivtsi | 🇺🇦 Ukraine |
| CWF | KCWF | Chennault International AirportLake Charles | Lake Charles | 🇺🇸 United States |
| CWI | KCWI | Clinton Municipal AirportClinton | Clinton | 🇺🇸 United States |
| CWJ | ZPCW | Cangyuan Washan AirportLincang (Cangyuan) | Lincang (Cangyuan) | 🇨🇳 China |
| CWK | — | Chitrakoot AirportChitrakoot | Chitrakoot | 🇮🇳 India |
| CWL | EGFF | Cardiff International AirportCardiff | Cardiff | 🇬🇧 United Kingdom |
| CWR | YCWI | Cowarie Airport | — | 🇦🇺 Australia |
| CWS | — | Center Island AirportCenter Island | Center Island | 🇺🇸 United States |
| CWT | YCWR | Cowra Airport | — | 🇦🇺 Australia |
| CWW | YCOR | Corowa Airport | — | 🇦🇺 Australia |
| CWX | — | Cochise County AirportWillcox | Willcox | 🇺🇸 United States |
| CXA | SVCD | Caicara del Orinoco Airport | — | 🇻🇪 Venezuela |
| CXB | VGCB | Cox's Bazar AirportCox's Bazar | Cox's Bazar | 🇧🇩 Bangladesh |
| CXC | — | Chitina AirportChitina | Chitina | 🇺🇸 United States |
| CXF | PACX | Coldfoot AirportColdfoot | Coldfoot | 🇺🇸 United States |
| CXH | CYHC | Vancouver Harbour Water AerodromeVancouver | Vancouver | 🇨🇦 Canada |
| CXI | PLCH | Cassidy International AirportKiritimati | Kiritimati | 🇰🇮 Kiribati |
| CXJ | SBCX | Hugo Cantergiani Regional AirportCaxias Do Sul | Caxias Do Sul | 🇧🇷 Brazil |
| CXL | KCXL | Calexico International AirportCalexico | Calexico | 🇺🇸 United States |
| CXN | HCMC | Candala AirportCandala | Candala | 🇸🇴 Somalia |
| CXO | KCXO | Conroe-North Houston Regional AirportHouston | Houston | 🇺🇸 United States |
| CXP | WAHL | Tunggul Wulung AirportCilacap | Cilacap | 🇮🇩 Indonesia |
| CXQ | — | Christmas Creek Station AirportWangkat Jungka | Wangkat Jungka | 🇦🇺 Australia |
| CXR | VVCR | Cam Ranh International Airport / Cam Ranh Air BaseNha Trang/nha Trang aiurportCam Ranh | Nha Trang/nha Trang aiurportCam Ranh | 🇻🇳 Vietnam |
| CXT | YCHT | Charters Towers Airport | — | 🇦🇺 Australia |
| CXY | MYCC | Cat Cay AirportNorth Cat Cay | North Cat Cay | 🇧🇸 Bahamas |
| CYA | MTCA | Antoine-Simon International AirportLes Cayes | Les Cayes | ðŸ‡ðŸ‡¹ Haiti |
| CYB | MWCB | Charles Kirkconnell International AirportWest End | West End | 🇰🇾 Cayman Islands |
| CYC | MZCP | Caye Chapel AirportCaye Chapel | Caye Chapel | 🇧🇿 Belize |
| CYD | — | San Ignacio Town (Maya Flats) AirstripMaya Flats | Maya Flats | 🇧🇿 Belize |
| CYF | PACK | Chefornak AirportChefornak | Chefornak | 🇺🇸 United States |
| CYG | YCRG | Corryong Airport | — | 🇦🇺 Australia |
| CYI | RCKU | Chiayi AirportShuishang | Shuishang | 🇹🇼 Taiwan |
| CYL | MHCS | Coyoles AirportCoyoles | Coyoles | ðŸ‡ðŸ‡³ Honduras |
| CYM | — | Chatham Seaplane BaseChatham | Chatham | 🇺🇸 United States |
| CYO | MUCL | Vilo Acuña International AirportCayo Largo del Sur | Cayo Largo del Sur | 🇨🇺 Cuba |
| CYP | RPVC | Calbayog AirportCalbayog City | Calbayog City | 🇵🇠Philippines |
| CYR | SUCA | Colonia Laguna de Los Patos International AirportColonia del Sacramento | Colonia del Sacramento | 🇺🇾 Uruguay |
| CYS | KCYS | Cheyenne Regional Jerry Olson FieldCheyenne | Cheyenne | 🇺🇸 United States |
| CYT | PACY | Yakataga AirportYakataga | Yakataga | 🇺🇸 United States |
| CYU | RPLO | Cuyo AirportCuyo | Cuyo | 🇵🇠Philippines |
| CYW | MMCY | Captain Rogelio Castillo National AirportCelaya | Celaya | 🇲🇽 Mexico |
| CYX | UESS | Cherskiy AirportCherskiy | Cherskiy | 🇷🇺 Russia |
| CYZ | RPUY | Cauayan AirportCauayan City | Cauayan City | 🇵🇠Philippines |
| CZA | MMCT | Chichén Itzá International AirportTinúm | Tinúm | 🇲🇽 Mexico |
| CZB | — | Carlos Ruhl AirportCruz Alta | Cruz Alta | 🇧🇷 Brazil |
| CZC | — | Copper Center 2 AirportCopper Center | Copper Center | 🇺🇸 United States |
| CZE | SVCR | José Leonardo Chirinos AirportCoro | Coro | 🇻🇪 Venezuela |
| CZF | PACZ | Cape Romanzof LRRS AirportCape Romanzof | Cape Romanzof | 🇺🇸 United States |
| CZH | MZCZ | Corozal AirportCorozal | Corozal | 🇧🇿 Belize |
| CZJ | — | Corazón de Jesús AirportTupile | Tupile | 🇵🇦 Panama |
| CZK | KCZK | Cascade Locks State AirportCascade Locks | Cascade Locks | 🇺🇸 United States |
| CZL | DABC | Mohamed Boudiaf International AirportConstantine | Constantine | 🇩🇿 Algeria |
| CZM | MMCZ | Cozumel International AirportCozumel | Cozumel | 🇲🇽 Mexico |
| CZN | — | Chisana AirportChisana | Chisana | 🇺🇸 United States |
| CZO | — | Chistochina AirportChistochina | Chistochina | 🇺🇸 United States |
| CZP | — | Cape Pole Seaplane BaseCape Pole | Cape Pole | 🇺🇸 United States |
| CZR | — | Chara AirportChara | Chara | 🇷🇺 Russia |
| CZS | SBCZ | Cruzeiro do Sul AirportCruzeiro Do Sul | Cruzeiro Do Sul | 🇧🇷 Brazil |
| CZT | KCZT | Dimmit County AirportCarrizo Springs | Carrizo Springs | 🇺🇸 United States |
| CZU | SKCZ | Las Brujas AirportCorozal | Corozal | 🇨🇴 Colombia |
| CZX | ZSCG | Changzhou Benniu International AirportChangzhou | Changzhou | 🇨🇳 China |
| CZY | YUNY | Cluny Airport | — | 🇦🇺 Australia |
Airport data from OurAirports (public domain), updated 2026-11-10. See how airport codes work.