| 28 de Noviembre Airport | RYO | SAWT | Rio Turbio | AR |
| 9 de Maio - Teixeira de Freitas Airport | TXF | SNTF | Teixeira de Freitas | BR |
| A Coruña Airport | LCG | LECO | Culleredo | ES |
| A L Mangham Jr. Regional Airport | OCH | KOCH | Nacogdoches | US |
| A.N.R. Robinson International Airport | TAB | TTCP | Scarborough | TT |
| AA Bere Tallo (Haliwen) Airport | ABU | WATA | Atambua | ID |
| Aachen-Merzbrück Airport | AAH | EDKA | Aachen | DE |
| Aalborg Airport | AAL | EKYT | Aalborg | DK |
| Aappilattoq Heliport | AOQ | — | Aappilattoq | GL |
| Aappilattoq Heliport | QUV | — | Aappilattoq | GL |
| Aarhus Airport | AAR | EKAH | Aarhus | DK |
| Aasiaat Airport | JEG | BGAA | Aasiaat | GL |
| Aba Tenna Dejazmach Yilma International Airport | DIR | HADR | Dire Dawa | ET |
| Abadan Ayatollah Jami International Airport | ABD | OIAA | Abadan | IR |
| Abaiang Airport | ABF | NGAB | Abaiang | KI |
| Abakan International Airport | ABA | UNAA | Abakan | RU |
| Abbaye Airport | BGH | GQNE | Boghe | MR |
| Abbotsford International Airport | YXX | CYXX | Abbotsford | CA |
| Abdelhafid Boussouf Bou Chekif Airport | TID | DAOB | Tiaret | DZ |
| Abdul Rachman Saleh Airport | MLG | WARA | Malang | ID |
| Abeche Airport | AEH | FTTC | Abeche | TD |
| Abeid Amani Karume International Airport | ZNZ | HTZA | Zanzibar | TZ |
| Abel Santamaria International Airport | SNU | MUSC | Santa Clara | CU |
| Abemama Airport | AEA | NGTB | Abemama | KI |
| Abengourou Airport | OGO | DIAU | Abengourou | CI |
| Aberdeen International Airport | ABZ | EGPD | Aberdeen | GB |
| Aberdeen Regional Airport | ABR | KABR | Aberdeen | US |
| Abha International Airport | AHB | OEAB | Abha | SA |
| Abilene Regional Airport | ABI | KABI | Abilene | US |
| Abingdon Downs Airport | ABG | YABI | Abingdon Downs | AU |
| Aboisso Airport | ABO | DIAO | Aboisso | CI |
| Abou-Deïa Airport | AOD | — | Abou-Deïa | TD |
| Abraham González International Airport | CJS | MMCS | Ciudad Juárez | MX |
| Abraham Lincoln Capital Airport | SPI | KSPI | Springfield | US |
| Abresso Airport | RSK | WASC | Ransiki-Papua Island | ID |
| Abruzzo Airport | PSR | LIBP | Pescara | IT |
| Abs Airport | EAB | — | Abs | YE |
| Abu Musa Island Airport | AEU | OIBA | Abu Musa | IR |
| Abu Rudeis Airport | AUE | — | Ras Abu Rudeis | EG |
| Abu Simbel Airport | ABS | HEBL | Abu Simbel | EG |
| Acadiana Regional Airport | ARA | KARA | New Iberia | US |
| Acaricuara Airport | ARF | — | Acaricuara | CO |
| Accomack County Airport | MFV | KMFV | Melfa | US |
| Achinsk Airport | ACS | UNKS | Achinsk | RU |
| Achutupu Airport | ACU | — | Mamitupu | PA |
| Ada Regional Airport | ADT | KADH | Ada | US |
| Adado Airport | AAD | HCAD | Adado | SO |
| Adak Airport | ADK | PADK | Adak | US |
| Adam Airport | AOM | — | Adam | OM |
| Adampur Airport | AIP | VIAX | Adampur | IN |
| Adana Şakirpaşa Airport | ADA | LTAF | Seyhan | TR |
| Adareil Airport | AEE | — | Adar | SS |
| Addington Field / Elizabethtown Regional Airport | EKX | KEKX | Elizabethtown | US |
| Addis Ababa Bole International Airport | ADD | HAAB | Addis Ababa | ET |
| Addison Airport | ADS | KADS | Dallas | US |
| Adelaide International Airport | ADL | YPAD | Adelaide | AU |
| Aden Adde International Airport | MGQ | HCMM | Mogadishu | SO |
| Aden International Airport | ADE | OYAA | Aden | YE |
| Adirondack Regional Airport | SLK | KSLK | Saranac Lake | US |
| Adisoemarmo International Airport | SOC | WAHQ | Surakarta | ID |
| Adisutjipto International Airport | JOG | WAHH | Yogyakarta | ID |
| Adıyaman Airport | ADF | LTCP | Adıyaman | TR |
| Adnan Menderes International Airport | ADB | LTBJ | Gaziemir | TR |
| Adolfo López Mateos International Airport | TLC | MMTO | Toluca | MX |
| Adolfo Suárez Madrid–Barajas Airport | MAD | LEMD | Madrid | ES |
| Adolino Bedin Regional Airport | SMT | SBSO | Sorriso | BR |
| Aek Godang Airport | AEG | WIME | Padang Sidempuan | ID |
| Aeroclube de Bento Gonçalves Airport | BGV | — | Bento Gonçalves | BR |
| Aérodrome de Belle Île | BIC | LFEA | Bangor | FR |
| Aeródromo de Clorinda | CLX | SATC | Clorinda | AR |
| Aeródromo de Cupul | TZM | — | Tizimin | MX |
| Aeródromo de Filadelfia | FLM | SGFI | Filadelfia | PY |
| Aeródromo de Fuerte | OLK | SGOL | Fuerte Olimpo | PY |
| Aeródromo de Puerto Leda | PBT | — | Puerto Leda | PY |
| Aeródromo Don Carlos Miguel Gimenez | PIL | SGPI | Pilar | PY |
| Aerodromo Goncalves Lobato (Viseu Airport) | VSE | LPVZ | Viseu | PT |
| Aeroparque Jorge Newbery | AEP | SABE | Buenos Aires | AR |
| Aeroporto Brigadeiro Firmino Ayres | JPO | — | Patos | BR |
| Aeroporto Elias Breder Airport | JMA | — | Manhuaçu | BR |
| Aeropuerto Municipal de Nuevo Casas Grandes | NCG | MMCG | Nuevo Casas Grandes | MX |
| Aeropuerto Nacional Doctor Juan Plate | VMI | — | Puerto Vallemi | PY |
| Aeropuerto Nacional Dr. Augusto Roberto Fuster | PJC | SGPJ | Pedro Juan Caballero | PY |
| Aeropuerto Nacional Juan de Ayolas | AYO | SGAY | Ayolas | PY |
| Afore Airstrip | AFR | AYAF | Afore | PG |
| Afton Municipal Airport | AFO | KAFO | Afton | US |
| Afutara Aerodrome | AFT | AGAF | Bila | SB |
| Afyon Air Base | AFY | LTAH | Afyonkarahisar | TR |
| Agalega Island Airstrip | AHG | — | Vingt Cinq | MU |
| Agartala - Maharaja Bir Bikram Airport | IXA | VEAT | Agartala | IN |
| Agatti Airport | AGX | VOAT | Agatti | IN |
| Agaun Airport | AUP | AYAG | Agaun | PG |
| Agen La Garenne airport | AGF | LFBA | Agen | FR |
| Aggeneys Airport | AGZ | FAAG | Aggeneys | ZA |
| Aghajari Airport | AKW | OIAG | Omidiyeh | IR |
| Agnew Airport | AGW | — | Agnew | AU |
| Agra Airport / Agra Air Force Station | AGR | VIAG | Agra | IN |
| Ağrı Airport | AJI | LTCO | Ağrı | TR |
| Aguas Claras Airport | OCV | SKOC | Ocaña | CO |
| Aguascalientes International Airport | AGU | MMAS | Aguascalientes | MX |
| Aguenar – Hadj Bey Akhamok Airport | TMR | DAAT | Tamanrasset | DZ |