Airport codes starting with O
305 IATA codes from OAA to OZZ. For example: OAJ is Richlands, OAK is Oakland, OAL is Cacoal.
| Code | Airport | City | Country |
|---|---|---|---|
| OAA | Shank Air Base | Baraki Barak | Afghanistan |
| OAG | Orange Airport | Orange | Australia |
| OAH | Shindand Air Base | Shindand | Afghanistan |
| OAI | Bagram Airfield | Bagram | Afghanistan |
| OAJ | Albert J Ellis Airport | Richlands | United States |
| OAK | Oakland San Francisco Bay Airport | Oakland | United States |
| OAL | Cacoal Airport | Cacoal | Brazil |
| OAM | Oamaru Airport | not listed | New Zealand |
| OAN | El Arrayán Airport | Olanchito | Honduras |
| OAR | Marina Municipal Airport | Marina | United States |
| OAS | Sharana Airstrip | Sharana | Afghanistan |
| OAX | Xoxocotlán International Airport | Oaxaca | Mexico |
| OAZ | Camp Shorabak Airfield | Lashkar Gah | Afghanistan |
| OBA | Oban Airport | Oban | Australia |
| OBC | Obock Airport | Obock | Djibouti |
| OBD | Obano Airport | Obano | Indonesia |
| OBE | Okeechobee County Airport | Okeechobee | United States |
| OBF | Oberpfaffenhofen Airport | Weßling | Germany |
| OBI | Óbidos Municipal Airport | Óbidos | Brazil |
| OBL | Oostmalle Airfield | Zoersel | Belgium |
| OBM | Morobe Airport | Morobe | Papua New Guinea |
| OBN | Oban Airport | North Connel | United Kingdom |
| OBO | Tokachi-Obihiro Airport | Obihiro | Japan |
| OBS | Aubenas-South Ardèche Airport | Lanas, Ardèche | France |
| OBU | Kobuk Airport | Kobuk | United States |
| OBX | Obo Airport | Obo | Papua New Guinea |
| OBY | Ittoqqortoormiit Heliport | Ittoqqortoormiit | Greenland |
| OCA | Ocean Reef Club Airport | Key Largo | United States |
| OCC | Francisco De Orellana Airport | Coca | Ecuador |
| OCE | Ocean City Municipal Airport | Ocean City | United States |
| OCF | Ocala International Airport - Jim Taylor Field | Ocala | United States |
| OCH | A L Mangham Jr. Regional Airport | Nacogdoches | United States |
| OCJ | Ian Fleming International Airport | Boscobel | Jamaica |
| OCM | Boolgeeda | not listed | Australia |
| OCN | Oceanside Municipal Airport | Oceanside | United States |
| OCS | Corisco International Airport | Corisco Island | Equatorial Guinea |
| OCV | Aguas Claras Airport | Ocaña | Colombia |
| OCW | Warren Field | Washington | United States |
| ODA | Ouadda Airport | Ouadda | Central African Republic |
| ODB | Córdoba Airport | Córdoba | Spain |
| ODC | Oakdale Airport | Oakdale | United States |
| ODD | Oodnadatta Airport | not listed | Australia |
| ODE | Odense Hans Christian Andersen Airport | Odense | Denmark |
| ODH | RAF Odiham | Hook, Hampshire | United Kingdom |
| ODJ | Ouanda Djallé Airport | Ouanda Djallé | Central African Republic |
| ODL | Cordillo Downs Airport | Cordillo Downs | Australia |
| ODM | Garrett County Airport | Accident | United States |
| ODN | Long Seridan Airport | Long Seridan | Malaysia |
| ODO | Bodaybo Airport | Bodaybo | Russia |
| ODR | Ord River Airport | Ord River | Australia |
| ODS | Odesa International Airport | Odesa | Ukraine |
| ODT | Odessa Schlemeyer Field | Odessa | United States |
| ODW | AJ Eisenberg Airport | Oak Harbor | United States |
| ODY | Oudomsay Airport | Oudomsay | Laos |
| OEA | O'Neal Airport | Lawrenceville | United States |
| OEC | Oecusse Route of the Sandalwood International Airport | Oecussi-Ambeno | Timor-Leste |
| OEM | Vincent Fayks Airport | Paloemeu | Suriname |
| OEO | L O Simenstad Municipal Airport | Osceola | United States |
| OER | Örnsköldsvik Airport | Örnsköldsvik | Sweden |
| OES | Antoine de Saint Exupéry Airport | San Antonio Oeste | Argentina |
| OFF | Offutt Air Force Base | Omaha | United States |
| OFI | Ouango Fitini Airport | Ouango Fitini | Côte d'Ivoire |
| OFK | Karl Stefan Memorial Airport | Norfolk | United States |
| OFU | Ofu Airport | Ofu | American Samoa |
| OGA | Ogallala Municipal Airport Searle Field | Ogallala | United States |
| OGB | Orangeburg Municipal Airport | Orangeburg | United States |
| OGD | Ogden Hinckley Airport | Ogden | United States |
| OGE | Ogeranang Airport | not listed | Papua New Guinea |
| OGG | Kahului International Airport | Kahului | United States |
| OGL | Eugene F. Correia International Airport | Ogle | Guyana |
| OGM | Ogobsucum Airport | Ustupu | Panama |
| OGN | Yonaguni Airport | Yonaguni | Japan |
| OGO | Abengourou Airport | Abengourou | Côte d'Ivoire |
| OGR | Bongor Airport | Bongor | Chad |
| OGS | Ogdensburg International Airport | Ogdensburg | United States |
| OGU | Ordu–Giresun Airport | Ordu | Turkey |
| OGX | Ain Beida Airport | Ouargla | Algeria |
| OGZ | Vladikavkaz Beslan International Airport | Beslan | Russia |
| OHA | RNZAF Base Ohakea | not listed | New Zealand |
| OHB | Ambohibary Airport | Moramanga | Madagascar |
| OHD | Ohrid St. Paul the Apostle Airport | Ohrid | North Macedonia |
| OHE | Mohe Gulian Airport | Mohe | China |
| OHH | Okha Airport | Okha | Russia |
| OHI | Oshakati Airport | Oshakati | Namibia |
| OHO | Okhotsk Airport | Okhotsk | Russia |
| OHR | Wyk auf Föhr Airport | Wyk auf Föhr | Germany |
| OHS | Suhar International Airport | Suhar | Oman |
| OHT | Kohat Airport | Kohat | Pakistan |
| OIA | Ourilândia do Norte Airport | Ourilândia do Norte | Brazil |
| OIC | Lt Warren Eaton Airport | Norwich | United States |
| OIM | Oshima Airport | Izu Oshima | Japan |
| OIR | Okushiri Airport | Okushiri Island | Japan |
| OIT | Oita Airport | Oita | Japan |
| OJC | Johnson County Executive Airport | Olathe | United States |
| OJU | Tanjung Api Airport | Tojo Una-Una | Indonesia |
| OKA | Naha International Airport | Naha | Japan |
| OKB | Orchid Beach Airport | Orchid Beach | Australia |
| OKC | OKC Will Rogers World Airport | Oklahoma City | United States |
| OKD | Sapporo Okadama Airport | Sapporo | Japan |
| OKE | Okinoerabu Airport | Wadomari | Japan |
| OKF | Okaukuejo Airport | Okaukuejo | Namibia |
| OKG | Okoyo Airport | Okoyo | Republic of the Congo |
| OKI | Oki Global Geopark Airport | Okinoshima | Japan |
| OKJ | Okayama Momotaro Airport | Okayama | Japan |
| OKK | Kokomo Municipal Airport | Kokomo | United States |
| OKL | Oksibil Airport | Oksibil | Indonesia |
| OKM | Okmulgee Regional Airport | Okmulgee | United States |
| OKN | Okondja Airport | Okondja | Gabon |
| OKO | Yokota Air Base | Fussa | Japan |
| OKP | Oksapmin Airport | Oksapmin | Papua New Guinea |
| OKQ | Okaba Airport | Okaba | Indonesia |
| OKR | Yorke Island Airport | Yorke Island | Australia |
| OKS | Garden County Airport/King Rhiley Field | Oshkosh | United States |
| OKT | Oktyabrskiy Airport | Kzyl-Yar | Russia |
| OKU | Mokuti Lodge Airport | Mokuti Lodge | Namibia |
| OKV | Okao Airport | Okao | Papua New Guinea |
| OKY | Oakey Army Aviation Centre | not listed | Australia |
| OLA | Ørland Airport | Ørland | Norway |
| OLB | Olbia Costa Smeralda Airport | Olbia (SS) | Italy |
| OLC | Senadora Eunice Micheles Airport | São Paulo De Olivença | Brazil |
| OLD | Dewitt Field - Old Town Municipal Airport | Old Town | United States |
| OLE | Cattaraugus County-Olean Airport | Olean | United States |
| OLF | L M Clayton Airport | Wolf Point | United States |
| OLG | Olare Orok Airfield | Mara | Kenya |
| OLH | Old Harbor Airport | Old Harbor | United States |
| OLI | Rif Airport | Rif | Iceland |
| OLJ | North West Santo Airport | Olpoi | Vanuatu |
| OLK | Fuerte Olimpo Airport | Fuerte Olimpo | Paraguay |
| OLL | Oyo Ollombo Airport | Oyo | Republic of the Congo |
| OLM | Olympia Regional Airport | Olympia | United States |
| OLN | Lago Musters Airport | Sarmiento | Argentina |
| OLO | Olomouc Airport | Olomouc | Czech Republic |
| OLP | Olympic Dam Airport | Olympic Dam | Australia |
| OLQ | Olsobip Airport | Olsobip | Papua New Guinea |
| OLR | Salerno Airport | Khost | Afghanistan |
| OLS | Nogales International Airport | Nogales | United States |
| OLU | Columbus Municipal Airport | Columbus | United States |
| OLV | Olive Branch Airport | Olive Branch | United States |
| OLX | Mara-Olkiombo Airport | Serena | Kenya |
| OLY | Olney Noble Airport | Olney-Noble | United States |
| OLZ | Olyokminsk Airport | Olyokminsk | Russia |
| OMA | Eppley Airfield | Omaha | United States |
| OMB | Omboue Hospital Airport | Omboue | Gabon |
| OMC | Ormoc Airport | Ormoc City | Philippines |
| OMD | Oranjemund Airport | Oranjemund | Namibia |
| OME | Nome Airport | Nome | United States |
| OMF | King Hussein Air College | Mafraq | Jordan |
| OMG | Omega Airport | Omega | Namibia |
| OMH | Urmia Airport | Urmia | Iran |
| OMI | Omidiyeh Airport | Omidiyeh | Iran |
| OMJ | JMSDF Omura Air Base | Nagasaki | Japan |
| OMK | Omak Airport | Omak | United States |
| OMM | Marmul Airport | Marmul | Oman |
| OMN | Zomin Airport | Zomin | Uzbekistan |
| OMO | Mostar International Airport | Mostar | Bosnia and Herzegovina |
| OMR | Oradea International Airport | Oradea | Romania |
| OMS | Omsk Central Airport | Omsk | Russia |
| OMY | Preah Vinhear Airport | Tbeng Meanchey | Cambodia |
| ONA | Winona Municipal Airport Max Conrad Field | Winona | United States |
| ONB | Ononge Airport | Onange Mission | Papua New Guinea |
| OND | Ondangwa Airport | Ondangwa | Namibia |
| ONG | Mornington Island Airport | not listed | Australia |
| ONH | Albert S Nader Regional Airport | Oneonta | United States |
| ONI | Moanamani Airport | Moanamani | Indonesia |
| ONJ | Odate Noshiro Airport | Kitaakita | Japan |
| ONK | Olenyok Airport | Olenyok | Russia |
| ONL | O'Neill Municipal Airport–John L Baker Field | O'Neill | United States |
| ONM | Socorro Municipal Airport | Socorro | United States |
| ONO | Ontario Municipal Airport | Ontario | United States |
| ONP | Newport Municipal Airport | Newport | United States |
| ONQ | Zonguldak Çaycuma Airport | Zonguldak | Turkey |
| ONR | Monkira Airport | not listed | Australia |
| ONS | Onslow Airport | not listed | Australia |
| ONT | Ontario International Airport | Ontario | United States |
| ONU | Ono-i-Lau Airport | Ono-i-Lau | Fiji |
| ONX | Enrique Adolfo Jimenez Airport | Colón | Panama |
| ONY | Olney Municipal Airport | Olney | United States |
| OOA | Oskaloosa Municipal Airport | Cedar | United States |
| OOD | Koodaideri Mine Airport | Koodaideri Mine | Australia |
| OOK | Toksook Bay Airport | Toksook Bay | United States |
| OOL | Gold Coast Airport | Gold Coast | Australia |
| OOM | Cooma Snowy Mountains Airport | Cooma | Australia |
| OOR | Mooraberree Airport | not listed | Australia |
| OOT | Onotoa Airport | Onotoa | Kiribati |
| OPA | Kópasker Airport | Kópasker | Iceland |
| OPB | Open Bay Airport | Maitanakunai | Papua New Guinea |
| OPF | Miami-Opa Locka Executive Airport | Miami | United States |
| OPI | Oenpelli Airport | not listed | Australia |
| OPL | St Landry Parish Ahart Field | Opelousas | United States |
| OPO | Francisco de Sá Carneiro Airport | Porto | Portugal |
| OPP | Salinópolis Airport | Salinópolis | Brazil |
| OPS | Presidente João Batista Figueiredo Airport | Sinop | Brazil |
| OPU | Balimo Airport | Balimo | Papua New Guinea |
| OPW | Opuwa Airport | Opuwa | Namibia |
| OQN | Kokand Airport | Kokand | Uzbekistan |
| ORA | Orán Airport | Orán | Argentina |
| ORB | Örebro Airport | Örebro | Sweden |
| ORC | Orocue Airport | Orocue | Colombia |
| ORD | Chicago O'Hare International Airport | Chicago | United States |
| ORE | Orléans–Saint-Denis-de-l'Hôtel Airport | Saint-Denis-de-l'Hôtel, Loiret | France |
| ORF | Norfolk International Airport | Norfolk | United States |
| ORG | Zorg en Hoop Airport | Paramaribo | Suriname |
| ORH | Worcester Regional Airport | Worcester | United States |
| ORI | Port Lions Airport | Port Lions | United States |
| ORJ | Orinduik Airport | Orinduik | Guyana |
| ORK | Cork International Airport | Cork | Ireland |
| ORL | Orlando Executive Airport | Orlando | United States |
| ORM | Sywell Aerodrome | Northampton, Northamptonshire | United Kingdom |
| ORN | Oran Es-Sénia (Ahmed Ben Bella) International Airport | Es-Sénia | Algeria |
| ORO | Yoro Airport | Yoro | Honduras |
| ORP | Orapa Airport | Orapa | Botswana |
| ORR | Yorketown Airport | not listed | Australia |
| ORT | Northway Airport | Northway | United States |
| ORU | Juan Mendoza International Airport | Oruro | Bolivia |
| ORV | Robert (Bob) Curtis Memorial Airport | Noorvik | United States |
| ORW | Ormara Airport | Ormara Raik | Pakistan |
| ORX | Oriximiná Airport | Oriximiná | Brazil |
| ORY | Paris-Orly Airport | Paris (Orly, Val-de-Marne) | France |
| ORZ | H.E Alfredo Martinez (Tower Hill) Airstrip | Orange Walk | Belize |
| OSB | Grand Glaize Osage Beach Airport | Osage Beach | United States |
| OSC | Oscoda Wurtsmith Airport | Oscoda | United States |
| OSD | Åre Östersund Airport | Östersund | Sweden |
| OSE | Omora Airport | Omora | Papua New Guinea |
| OSG | Ossima Airport | Ossima | Papua New Guinea |
| OSH | Wittman Regional Airport | Oshkosh | United States |
| OSI | Osijek Airport | Osijek(Klisa) | Croatia |
| OSJ | Ol Seki Naboisho Airstrip | Mara Simba | Kenya |
| OSK | Oskarshamn Airport | Oskarshamn | Sweden |
| OSL | Oslo-Gardermoen International Airport | Oslo (Gardermoen) | Norway |
| OSM | Mosul International Airport | Mosul | Iraq |
| OSN | Osan Air Base | Pyeongtaek | South Korea |
| OSO | Osborne Mine Airport | not listed | Australia |
| OSR | Leoš Janáček Airport Ostrava | Mošnov | Czech Republic |
| OSS | Osh International Airport | Osh | Kyrgyzstan |
| OST | Ostend-Bruges International Airport | Oostende | Belgium |
| OSU | The Ohio State University Airport - Don Scott Field | Columbus | United States |
| OSW | Orsk Airport | Orsk | Russia |
| OSX | Kosciusko Attala County Airport | Kosciusko | United States |
| OSY | Namsos Airport | Namsos | Norway |
| OTC | Bol-Berim Airport | Bol | Chad |
| OTD | Raul Arias Espinoza Airport | Contadora Island | Panama |
| OTG | Worthington Municipal Airport | Worthington | United States |
| OTH | Southwest Oregon Regional Airport | North Bend | United States |
| OTI | Pitu Airport | Gotalalamo-Morotai Island | Indonesia |
| OTJ | Otjiwarongo Airport | Otjiwarongo | Namibia |
| OTK | Tillamook Airport | Tillamook | United States |
| OTL | Boutilimit Airport | Boutilimit | Mauritania |
| OTM | Ottumwa Regional Airport | Ottumwa | United States |
| OTN | Ed-Air Airport | Oaktown | United States |
| OTO | Otog Banner Wulan Airport | Wulan | China |
| OTP | Bucharest Henri Coandă International Airport | Otopeni | Romania |
| OTQ | Otog Front Banner Oljoq Airport | Otog Front Banner | China |
| OTR | Coto 47 Airport | Corredores | Costa Rica |
| OTS | Anacortes Airport | Anacortes | United States |
| OTT | Andre Maggi Airport | Cotriguaçu | Brazil |
| OTU | Otu Airport | Remedios | Colombia |
| OTZ | Ralph Wien Memorial Airport | Kotzebue | United States |
| OUA | Ouagadougou Thomas Sankara International Airport | Ouagadougou | Burkina Faso |
| OUD | Oujda Angads Airport | Ahl Angad | Morocco |
| OUE | Ouesso Airport | not listed | Republic of the Congo |
| OUG | Ouahigouya Airport | Ouahigouya | Burkina Faso |
| OUH | Oudtshoorn Airport | Oudtshoorn | South Africa |
| OUI | Ouessant Airport | Ushant | France |
| OUL | Oulu Airport | Oulu / Oulunsalo | Finland |
| OUM | Oum Hadjer Airport | Oum Hadjer | Chad |
| OUN | University of Oklahoma Westheimer Airport | Norman | United States |
| OUR | Batouri Airport | Batouri | Cameroon |
| OUS | Jornalista Benedito Pimentel Airport | Ourinhos | Brazil |
| OUT | Bousso Airport | Bousso | Chad |
| OUZ | Tazadit Airport | Zouérate | Mauritania |
| OVA | Bekily Airport | Bekily | Madagascar |
| OVB | Novosibirsk Tolmachevo Airport | Novosibirsk | Russia |
| OVD | Asturias Airport | Ranón | Spain |
| OVE | Oroville Municipal Airport | Oroville | United States |
| OVG | Overberg Airport | Overberg | South Africa |
| OVL | El Tuqui Airport | Ovalle | Chile |
| OVR | Olavarria Airport | Olavarria | Argentina |
| OVS | Sovetskiy Airport | Sovetskiy | Russia |
| OWA | Owatonna Degner Regional Airport | Owatonna | United States |
| OWB | Owensboro Daviess County Airport | Owensboro | United States |
| OWD | Norwood Memorial Airport | Norwood | United States |
| OWK | Central Maine/Norridgewock Airport | Norridgewock | United States |
| OXB | Osvaldo Vieira International Airport | Bissau | Guinea-Bissau |
| OXC | Waterbury Oxford Airport | Oxford | United States |
| OXD | Miami University Airport | Oxford | United States |
| OXF | London Oxford Airport | Kidlington, Oxfordshire | United Kingdom |
| OXO | Orientos Airport | Orientos | Australia |
| OXR | Oxnard Airport | Oxnard | United States |
| OXY | Morney Airport | not listed | Australia |
| OYA | Goya Airport | Goya | Argentina |
| OYC | Camopi Airport | Camopi | French Guiana |
| OYE | Oyem Airport | Oyem | Gabon |
| OYG | Moyo Airport | Moyo | Uganda |
| OYK | Oiapoque Airport | Oiapoque | Brazil |
| OYL | Moyale Airport | Moyale | Kenya |
| OYN | Ouyen Airport | Ouyen | Australia |
| OYO | Tres Arroyos Airport | Tres Arroyos | Argentina |
| OYP | Saint-Georges-de-l'Oyapock Airport | Saint-Georges-de-l'Oyapock | French Guiana |
| OZA | Ozona Municipal Airport | Ozona | United States |
| OZC | Labo Airport | Ozamiz | Philippines |
| OZG | Zagora Airport | Zagora | Morocco |
| OZH | Zaporizhzhia International Airport | Zaporizhia | Ukraine |
| OZP | Moron Air Base | Morón | Spain |
| OZR | Cairns AAF (Fort Rucker) Air Field | Fort Rucker/Ozark | United States |
| OZZ | Ouarzazate International Airport | Ouarzazate | Morocco |
Airports with a link have scheduled airline flights. Data: OurAirports, 11 November 2026.