269 airports with IATA codes starting with I
| IATA | ICAO | Airport Name | City | Country | Type |
|---|---|---|---|---|---|
| IAA | UOII | Igarka Airport | Igarka | 🇷🇺 Rusia | Medium Airport |
| IAB | KIAB | McConnell Air Force Base | Wichita | 🇺🇸 A.S | Medium Airport |
| IAD | KIAD | Washington Dulles International Airport | Dulles | 🇺🇸 A.S | Large Airport |
| IAG | KIAG | Niagara Falls International Airport | Niagara Falls | 🇺🇸 A.S | Medium Airport |
| IAH | KIAH | George Bush Intercontinental Airport | Houston | 🇺🇸 A.S | Large Airport |
| IAL | Ialibu Airport | Ialibu | 🇵🇬 Papua New Guinea | Small Airport | |
| IAM | DAUZ | Zarzaitine - In Aménas Airport | In Aménas | 🇩🇿 Algeria | Medium Airport |
| IAN | PAIK | Bob Baker Memorial Airport | Kiana | 🇺🇸 A.S | Medium Airport |
| IAO | RPNS | Siargao Airport | Del Carmen | 🇵🇭 Filipina | Small Airport |
| IAQ | Bahregan Airport | Imam Hassan | 🇮🇷 Iran | Small Airport | |
| IAR | UUDL | Golden Ring Yaroslavl International Airport | Tunoshna | 🇷🇺 Rusia | Large Airport |
| IAS | LRIA | Iaşi International Airport | Iaşi | 🇷🇴 Romania | Large Airport |
| IAX | WAMS | Miangas Airport | Miangas | 🇮🇩 Indonesia | Small Airport |
| IBA | DNIB | Ibadan Airport | Ibadan | 🇳🇬 Nigeria | Medium Airport |
| IBB | SEII | General Villamil Airport | Puerto Villamil | 🇪🇨 Ecuador | Small Airport |
| IBE | SKIB | Perales Airport | Ibagué | 🇨🇴 Colombia | Medium Airport |
| IBI | Iboki Airport | Iboki | 🇵🇬 Papua New Guinea | Small Airport | |
| IBL | Indigo Bay Lodge Airport | Bazaruto Island | 🇲🇿 Mozambique | Medium Airport | |
| IBM | Iron Bridge Mine Airport | Japal Camp | 🇦🇺 Australia | Small Airport | |
| IBO | FQIB | Ibo Airport | Ibo | 🇲🇿 Mozambique | Small Airport |
| IBP | SPBR | Iberia Airport | Iberia | 🇵🇪 Peru | Medium Airport |
| IBR | RJAH | Ibaraki Airport | Omitama | 🇯🇵 Jepun | Large Airport |
| IBZ | LEIB | Ibiza Airport | Ibiza (Eivissa) | 🇪🇸 Sepanyol | Large Airport |
| ICA | SVIC | Ikabaru Airport | Ikabarú | 🇻🇪 Venezuela | Small Airport |
| ICC | SVIE | Andrés Miguel Salazar Marcano Airport | Isla de Coche | 🇻🇪 Venezuela | Small Airport |
| ICI | NFCI | Cicia Airport | Cicia | 🇫🇯 Fiji | Small Airport |
| ICK | SMNI | Nieuw Nickerie - Major Henk Fernandes Airport | Nieuw Nickerie | 🇸🇷 Surinam | Small Airport |
| ICL | KICL | Schenck Field | Clarinda | 🇺🇸 A.S | Small Airport |
| ICN | RKSI | Incheon International Airport | Seoul | 🇰🇷 Korea Selatan | Large Airport |
| ICO | Sicogon Airstrip | Carles | 🇵🇭 Filipina | Small Airport | |
| ICS | Cascade Airport | Cascade | 🇺🇸 A.S | Small Airport | |
| ICT | KICT | Wichita Dwight D. Eisenhower National Airport | Wichita | 🇺🇸 A.S | Medium Airport |
| ICY | Icy Bay Airport | Icy Bay | 🇺🇸 A.S | Small Airport | |
| IDA | KIDA | Idaho Falls Regional Airport | Idaho Falls | 🇺🇸 A.S | Medium Airport |
| IDB | ESUE | Idre Airport | Idre | 🇸🇪 Sweden | Small Airport |
| IDF | FZCB | Idiofa Airport | Idiofa | 🇨🇩 Congo - Kinshasa | Small Airport |
| IDG | KIDG | Ida Grove Municipal Airport | Ida Grove | 🇺🇸 A.S | Small Airport |
| IDH | KGIC | Idaho County Airport | Grangeville | 🇺🇸 A.S | Small Airport |
| IDI | KIDI | Indiana County–Jimmy Stewart Airport | Indiana | 🇺🇸 A.S | Small Airport |
| IDK | YIDK | Indulkana Airport | Indulkana | 🇦🇺 Australia | Small Airport |
| IDN | AYID | Indagen Airport | Indagen | 🇵🇬 Papua New Guinea | Small Airport |
| IDO | SWIY | Santa Izabel do Morro Airport | Cristalândia | 🇧🇷 Brazil | Small Airport |
| IDP | KIDP | Independence Municipal Airport | Independence | 🇺🇸 A.S | Small Airport |
| IDR | VAID | Devi Ahilya Bai Holkar International Airport | Indore | 🇮🇳 India | Large Airport |
| IDY | LFEY | Île d'Yeu Airport | Île d'Yeu | 🇫🇷 Perancis | Small Airport |
| IEG | EPZG | Zielona Góra-Babimost Airport | Nowe Kramsko | 🇵🇱 Poland | Medium Airport |
| IEJ | RORE | Iejima Airport | Ie | 🇯🇵 Jepun | Medium Airport |
| IES | EDAU | Riesa-Göhlis Airport | Riesa | 🇩🇪 Jerman | Small Airport |
| IEV | UKKK | Ihor Sikorsky Kyiv International Airport (Zhuliany) | Kyiv | 🇺🇦 Ukraine | Medium Airport |
| IFA | KIFA | Iowa Falls Municipal Airport | Iowa Falls | 🇺🇸 A.S | Small Airport |
| IFF | YIFY | Iffley Airport | 🇦🇺 Australia | Small Airport | |
| IFH | OIFE | Hesa Airport | Hesa | 🇮🇷 Iran | Small Airport |
| IFJ | BIIS | Ísafjörður Airport | Ísafjörður | 🇮🇸 Iceland | Medium Airport |
| IFL | YIFL | Innisfail Airport | 🇦🇺 Australia | Small Airport | |
| IFN | OIFM | Isfahan Shahid Beheshti International Airport | Isfahan | 🇮🇷 Iran | Large Airport |
| IFO | UKLI | Ivano-Frankivsk International Airport | Ivano-Frankivsk | 🇺🇦 Ukraine | Medium Airport |
| IFP | KIFP | Laughlin Bullhead International Airport | Bullhead City | 🇺🇸 A.S | Medium Airport |
| IFU | VREI | Ifuru Airport | Ifuru Island | 🇲🇻 Maldives | Small Airport |
| IGA | MYIG | Inagua Airport | Matthew Town | 🇧🇸 Bahamas | Medium Airport |
| IGB | SAVJ | Ingeniero Jacobacci - Captain H R Bordón Airport | Ingeniero Jacobacci | 🇦🇷 Argentina | Small Airport |
| IGD | LTCT | Iğdır Airport | Iğdır | 🇹🇷 Turkiye | Medium Airport |
| IGE | FOOI | Tchongorove Airport | Iguela | 🇬🇦 Gabon | Small Airport |
| IGG | PAIG | Igiugig Airport | Igiugig | 🇺🇸 A.S | Small Airport |
| IGH | YIGM | Ingham Airport | 🇦🇺 Australia | Small Airport | |
| IGL | Çiğli Airbase | Çiğli | 🇹🇷 Turkiye | Medium Airport | |
| IGM | KIGM | Kingman Airport | Kingman | 🇺🇸 A.S | Medium Airport |
| IGN | RPMI | Maria Cristina (Iligan) Airport | Balo-i | 🇵🇭 Filipina | Small Airport |
| IGO | SKIG | Jaime Ortiz Betancourt Airport | Chigorodó | 🇨🇴 Colombia | Small Airport |
| IGR | SARI | Cataratas Del Iguazú International Airport | Puerto Iguazu | 🇦🇷 Argentina | Medium Airport |
| IGS | ETSI | Ingolstadt Manching Airport | Manching | 🇩🇪 Jerman | Medium Airport |
| IGT | URMS | Magas Airport | Sunzha | 🇷🇺 Rusia | Medium Airport |
| IGU | SBFI | Cataratas International Airport | Foz do Iguaçu | 🇧🇷 Brazil | Large Airport |
| IHC | FQIA | Inhaca Airport | Inhaca | 🇲🇿 Mozambique | Small Airport |
| IHN | OYQN | Qishn Airport | Qishn | 🇾🇪 Yaman | Small Airport |
| IHO | FMSI | Ihosy Airport | Ihosy | 🇲🇬 Madagaskar | Small Airport |
| IHR | OIZI | Iranshahr Airport | Iranshahr | 🇮🇷 Iran | Medium Airport |
| IHU | Ihu Airport | Ihu | 🇵🇬 Papua New Guinea | Small Airport | |
| IIA | EIMN | Inishmaan Aerodrome | Inis Meáin | 🇮🇪 Ireland | Small Airport |
| IIL | OICI | Ilam Airport | Ilam | 🇮🇷 Iran | Medium Airport |
| IIS | AYIA | Nissan Island Airport | Nissan Island | 🇵🇬 Papua New Guinea | Small Airport |
| IJK | USII | Izhevsk Airport | Izhevsk | 🇷🇺 Rusia | Medium Airport |
| IJU | SSIJ | João Batista Bos Filho Airport | Ijuí | 🇧🇷 Brazil | Small Airport |
| IJX | KIJX | Jacksonville Municipal Airport | Jacksonville | 🇺🇸 A.S | Small Airport |
| IKA | OIIE | Imam Khomeini International Airport | Tehran | 🇮🇷 Iran | Large Airport |
| IKB | KUKF | Wilkes County Airport | North Wilkesboro | 🇺🇸 A.S | Small Airport |
| IKG | UCFK | Karakol International Airport | Karakol | 🇰🇬 Kyrgyzstan | Medium Airport |
| IKI | RJDB | Iki Airport | Iki | 🇯🇵 Jepun | Medium Airport |
| IKK | KIKK | Greater Kankakee Airport | Kankakee | 🇺🇸 A.S | Medium Airport |
| IKL | FZGV | Ikela Airport | Ikela | 🇨🇩 Congo - Kinshasa | Small Airport |
| IKO | PAKO | Nikolski Air Station | Nikolski | 🇺🇸 A.S | Small Airport |
| IKP | YIKM | Inkerman Airport | Inkerman | 🇦🇺 Australia | Small Airport |
| IKS | UEST | Tiksi Airport | Tiksi | 🇷🇺 Rusia | Medium Airport |
| IKT | UIII | Irkutsk International Airport | Irkutsk | 🇷🇺 Rusia | Large Airport |
| IKU | UCFL | Issyk-Kul International Airport | Tamchy | 🇰🇬 Kyrgyzstan | Large Airport |
| ILA | Ilaga Airport | Ilaga | 🇮🇩 Indonesia | Small Airport | |
| ILD | LEDA | Lleida-Alguaire Airport | Lleida | 🇪🇸 Sepanyol | Medium Airport |
| ILE | KILE | Skylark Field | Killeen | 🇺🇸 A.S | Small Airport |
| ILF | CZBD | Ilford Airport | Ilford | 🇨🇦 Kanada | Small Airport |
| ILG | KILG | Wilmington Airport | Wilmington | 🇺🇸 A.S | Medium Airport |
| ILI | PAIL | Iliamna Airport | Iliamna | 🇺🇸 A.S | Medium Airport |
| ILK | FMMQ | Atsinanana Airport | Ilaka | 🇲🇬 Madagaskar | Small Airport |
| ILL | KBDH | Willmar Municipal Airport John L Rice Field (2006) | Willmar | 🇺🇸 A.S | Small Airport |
| ILM | KILM | Wilmington International Airport | Wilmington | 🇺🇸 A.S | Medium Airport |
| ILN | KILN | Wilmington Airpark | Wilmington | 🇺🇸 A.S | Medium Airport |
| ILO | RPVI | Iloilo International Airport | Cabatuan | 🇵🇭 Filipina | Large Airport |
| ILP | NWWE | Île des Pins Airport | Île des Pins | 🇳🇨 New Caledonia | Medium Airport |
| ILQ | SPLO | General Jorge Fernandez Maldon Airport | Ilo | 🇵🇪 Peru | Medium Airport |
| ILR | DNIL | General Tunde Idiagbon International Airport | Ilorin/Ogbomosho | 🇳🇬 Nigeria | Large Airport |
| ILS | MSSS | Ilopango International Airport | San Salvador | 🇸🇻 El Salvador | Medium Airport |
| ILU | HKKL | Kilaguni Airport | Kilaguni | 🇰🇪 Kenya | Small Airport |
| ILY | EGPI | Islay Airport | Isle of Islay, Argyll and Bute | 🇬🇧 UK | Medium Airport |
| ILZ | LZZI | Žilina-Dolný Hričov Airport | Dolný Hričov | 🇸🇰 Slovakia | Medium Airport |
| IMA | Iamalele Airport | Iamalele, Fergusson Island | 🇵🇬 Papua New Guinea | Small Airport | |
| IMB | SYIB | Imbaimadai Airport | Imbaimadai | 🇬🇾 Guyana | Small Airport |
| IMD | AYIO | Imonda Airport | Imonda | 🇵🇬 Papua New Guinea | Small Airport |
| IMF | VEIM | Bir Tikendrajit International Airport | Imphal | 🇮🇳 India | Large Airport |
| IMG | Inhaminga Airport | Inhaminga | 🇲🇿 Mozambique | Small Airport | |
| IMI | Ine Airport | Arno Atoll | 🇲🇭 Kepulauan Marshall | Small Airport | |
| IMK | VNST | Simikot Airport | Simikot | 🇳🇵 Nepal | Small Airport |
| IML | KIML | Imperial Municipal Airport | Imperial | 🇺🇸 A.S | Small Airport |
| IMM | KIMM | Immokalee Regional Airport | Immokalee | 🇺🇸 A.S | Small Airport |
| IMN | AYII | Imane Airport | Imane | 🇵🇬 Papua New Guinea | Small Airport |
| IMO | FEFZ | Zemio Airport | Zemio | 🇨🇫 Republik Afrika Tengah | Small Airport |
| IMP | SBIZ | Prefeito Renato Moreira Airport | Imperatriz | 🇧🇷 Brazil | Medium Airport |
| IMQ | OITU | Maku National Airport | Showt | 🇮🇷 Iran | Medium Airport |
| IMT | KIMT | Ford Airport | Kingsford | 🇺🇸 A.S | Medium Airport |
| IMZ | OANZ | Nimroz Airport | Ziarat-e Amiran Saseb | 🇦🇫 Afghanistan | Small Airport |
| INA | UUYI | Inta Airport | Inta | 🇷🇺 Rusia | Medium Airport |
| INB | Independence Airport | Independence | 🇧🇿 Belize | Small Airport | |
| INC | ZLIC | Yinchuan Hedong International Airport | Yinchuan | 🇨🇳 China | Large Airport |
| IND | KIND | Indianapolis International Airport | Indianapolis | 🇺🇸 A.S | Large Airport |
| INE | Chinde Airport | Chinde | 🇲🇿 Mozambique | Small Airport | |
| INF | DATG | In Guezzam Airport | In Guezzam | 🇩🇿 Algeria | Small Airport |
| INH | FQIN | Inhambane Airport | Inhambane | 🇲🇿 Mozambique | Medium Airport |
| INI | LYNI | Niš Constantine the Great Airport | Niš | 🇷🇸 Serbia | Large Airport |
| INJ | YINJ | Injune Airport | Injune | 🇦🇺 Australia | Small Airport |
| INK | KINK | Winkler County Airport | Wink | 🇺🇸 A.S | Medium Airport |
| INL | KINL | Falls International Airport | International Falls | 🇺🇸 A.S | Medium Airport |
| INM | YINN | Innamincka Airport | 🇦🇺 Australia | Small Airport | |
| INN | LOWI | Innsbruck Airport | Innsbruck | 🇦🇹 Austria | Large Airport |
| INO | FZBA | Inongo Airport | Inongo | 🇨🇩 Congo - Kinshasa | Small Airport |
| INQ | EIIR | Inisheer Aerodrome | Inis Oírr | 🇮🇪 Ireland | Small Airport |
| INS | KINS | Creech Air Force Base | Indian Springs | 🇺🇸 A.S | Small Airport |
| INT | KINT | Smith Reynolds Airport | Winston Salem | 🇺🇸 A.S | Medium Airport |
| INU | ANYN | Nauru International Airport | Yaren | 🇳🇷 Nauru | Medium Airport |
| INV | EGPE | Inverness Airport | Inverness | 🇬🇧 UK | Medium Airport |
| INW | KINW | Winslow Lindbergh Regional Airport | Winslow | 🇺🇸 A.S | Medium Airport |
| INX | WASI | Inanwatan Airport | Inanwatan | 🇮🇩 Indonesia | Small Airport |
| INY | Inyati Airport | Inyati | 🇿🇦 Afrika Selatan | Small Airport | |
| INZ | DAUI | In Salah Airport | In Salah | 🇩🇿 Algeria | Medium Airport |
| IOA | LGIO | Ioannina King Pyrrhus National Airport | Ioannina | 🇬🇷 Greece | Medium Airport |
| IOK | Iokea Airport | Iokea | 🇵🇬 Papua New Guinea | Small Airport | |
| IOM | EGNS | Isle of Man Airport | Castletown | 🇮🇲 Isle of Man | Large Airport |
| ION | FCOI | Impfondo Airport | Impfondo | 🇨🇬 Congo - Brazzaville | Small Airport |
| IOP | Ioma Airport | Ioma | 🇵🇬 Papua New Guinea | Small Airport | |
| IOR | EIIM | Inishmore Aerodrome | Inis Mór | 🇮🇪 Ireland | Small Airport |
| IOS | SBIL | Bahia - Jorge Amado Airport | Ilhéus | 🇧🇷 Brazil | Medium Airport |
| IOW | KIOW | Iowa City Municipal Airport | Iowa City | 🇺🇸 A.S | Small Airport |
| IPA | NVVI | Ipota Airport | Ipota | 🇻🇺 Vanuatu | Small Airport |
| IPC | SCIP | Mataveri International Airport | Isla De Pascua | 🇨🇱 Chile | Large Airport |
| IPE | RPMV | Ipil Airport | Ipil | 🇵🇭 Filipina | Small Airport |
| IPG | SWII | Ipiranga Airport | Santo Antônio do Içá | 🇧🇷 Brazil | Small Airport |
| IPH | WMKI | Sultan Azlan Shah Airport | Ipoh | 🇲🇾 Malaysia | Large Airport |
| IPI | SKIP | San Luis Airport | Ipiales | 🇨🇴 Colombia | Medium Airport |
| IPL | KIPL | Imperial County Airport | Imperial | 🇺🇸 A.S | Medium Airport |
| IPN | SBIP | Usiminas Airport | Ipatinga | 🇧🇷 Brazil | Medium Airport |
| IPT | KIPT | Williamsport Regional Airport | Williamsport | 🇺🇸 A.S | Medium Airport |
| IPU | SNIU | Ipiaú Airport | Ipiaú | 🇧🇷 Brazil | Small Airport |
| IPZ | MRSI | San Isidro del General Airport | Pérez Zeledón | 🇨🇷 Costa Rica | Small Airport |
| IQA | ORAA | Al Asad Air Base | Hīt | 🇮🇶 Iraq | Medium Airport |
| IQM | ZWCM | Qiemo Yudu Airport | Qiemo | 🇨🇳 China | Medium Airport |
| IQN | ZLQY | Qingyang Xifeng Airport | Qingyang (Xifeng) | 🇨🇳 China | Medium Airport |
| IQQ | SCDA | Diego Aracena International Airport | Iquique | 🇨🇱 Chile | Large Airport |
| IQT | SPQT | Coronel FAP Francisco Secada Vignetta International Airport | Iquitos | 🇵🇪 Peru | Large Airport |
| IRA | AGGK | Ngorangora Airport | Kirakira | 🇸🇧 Kepulauan Solomon | Small Airport |
| IRB | Iraan Municipal Airport | Iraan | 🇺🇸 A.S | Small Airport | |
| IRC | PACR | Circle City (New) Airport | Circle | 🇺🇸 A.S | Small Airport |
| IRD | VGIS | Ishurdi Airport | Ishurdi | 🇧🇩 Bangladesh | Medium Airport |
| IRE | SNIC | Irecê Airport | Irecê | 🇧🇷 Brazil | Small Airport |
| IRG | YLHR | Lockhart River Airport | Lockhart River | 🇦🇺 Australia | Medium Airport |
| IRI | HTIR | Iringa Airport | Nduli | 🇹🇿 Tanzania | Medium Airport |
| IRJ | SANL | Capitan V A Almonacid Airport | La Rioja | 🇦🇷 Argentina | Medium Airport |
| IRK | KIRK | Kirksville Regional Airport | Kirksville | 🇺🇸 A.S | Medium Airport |
| IRM | USHI | Igrim Airport | 🇷🇺 Rusia | Small Airport | |
| IRN | MHIR | Iriona Airport | Iriona | 🇭🇳 Honduras | Small Airport |
| IRO | FEFI | Birao Airport | Birao | 🇨🇫 Republik Afrika Tengah | Small Airport |
| IRP | FZJH | Matari Airport | Isiro | 🇨🇩 Congo - Kinshasa | Medium Airport |
| IRS | KIRS | Kirsch Municipal Airport | Sturgis | 🇺🇸 A.S | Small Airport |
| IRZ | SWTP | Tapuruquara Airport | Santa Isabel do Rio Negro | 🇧🇷 Brazil | Small Airport |
| ISA | YBMA | Mount Isa Airport | Mount Isa | 🇦🇺 Australia | Medium Airport |
| ISB | OPIS | Islamabad International Airport | Attock | 🇵🇰 Pakistan | Large Airport |
| ISC | EGHE | St. Mary's Airport | St. Mary's, Isles of Scilly | 🇬🇧 UK | Small Airport |
| ISD | Santa Bárbara Airport | Iscuandé | 🇨🇴 Colombia | Small Airport | |
| ISE | LTFC | Süleyman Demirel International Airport | Isparta | 🇹🇷 Turkiye | Medium Airport |
| ISG | ROIG | New Ishigaki Airport | Ishigaki | 🇯🇵 Jepun | Medium Airport |
| ISI | YISF | Isisford Airport | 🇦🇺 Australia | Small Airport | |
| ISJ | MMIM | Isla Mujeres National Airport | Isla Mujeres | 🇲🇽 Mexico | Small Airport |
| ISK | VAOZ | Nashik International Airport | Nashik | 🇮🇳 India | Large Airport |
| ISL | LTBA | İstanbul Atatürk Airport | Istanbul(Bakırköy) | 🇹🇷 Turkiye | Large Airport |
| ISM | KISM | Kissimmee Gateway Airport | Orlando | 🇺🇸 A.S | Medium Airport |
| ISO | KISO | Kinston Regional Jetport At Stallings Field | Kinston | 🇺🇸 A.S | Medium Airport |
| ISP | KISP | Long Island MacArthur Airport | Islip | 🇺🇸 A.S | Medium Airport |
| ISQ | KISQ | Schoolcraft County Airport | Manistique | 🇺🇸 A.S | Small Airport |
| ISS | KIWI | Wiscasset Airport | Wiscasset | 🇺🇸 A.S | Small Airport |
| IST | LTFM | İstanbul Airport | Istanbul | 🇹🇷 Turkiye | Large Airport |
| ISU | ORSU | Sulaymaniyah International Airport | Sulaymaniyah | 🇮🇶 Iraq | Medium Airport |
| ISW | KISW | Alexander Field South Wood County Airport | Wisconsin Rapids | 🇺🇸 A.S | Small Airport |
| ITA | SBIC | Itacoatiara Airport | Itacoatiara | 🇧🇷 Brazil | Medium Airport |
| ITB | SBIH | Itaituba Airport | Itaituba | 🇧🇷 Brazil | Medium Airport |
| ITE | SNZW | Ituberá Airport | Ituberá | 🇧🇷 Brazil | Small Airport |
| ITH | KITH | Ithaca Tompkins Regional Airport | Ithaca | 🇺🇸 A.S | Medium Airport |
| ITI | Fazenda Americana Airport | Itambacuri | 🇧🇷 Brazil | Small Airport | |
| ITJ | Campo Comandantes Airport | Itajaí | 🇧🇷 Brazil | Small Airport | |
| ITK | Itokama Airport | Itokama | 🇵🇬 Papua New Guinea | Small Airport | |
| ITM | RJOO | Osaka Itami International Airport | Osaka | 🇯🇵 Jepun | Large Airport |
| ITN | Tertuliano Guedes de Pinho Airport | Itabuna | 🇧🇷 Brazil | Small Airport | |
| ITO | PHTO | Hilo International Airport | Hilo | 🇺🇸 A.S | Medium Airport |
| ITP | SDUN | Itaperuna Airport | Itaperuna | 🇧🇷 Brazil | Small Airport |
| ITQ | SSIQ | Itaqui Airport | Itaqui | 🇧🇷 Brazil | Small Airport |
| ITR | SBIT | Francisco Vilela do Amaral Airport | Itumbiara | 🇧🇷 Brazil | Small Airport |
| ITU | UHSI | Iturup Airport | Kurilsk | 🇷🇺 Rusia | Small Airport |
| IUA | Canandaigua Airport | Ontario County IDA | 🇺🇸 A.S | Small Airport | |
| IUE | NIUE | Niue International Airport | Alofi | 🇳🇺 Niue | Medium Airport |
| IUL | Ilu Airport | Ilu | 🇮🇩 Indonesia | Small Airport | |
| IUP | Apuí Airport | Apuí | 🇧🇷 Brazil | Small Airport | |
| IVA | Ampampamena Airport | 🇲🇬 Madagaskar | Small Airport | ||
| IVC | NZNV | Invercargill Airport | Invercargill | 🇳🇿 New Zealand | Medium Airport |
| IVG | LYBR | Berane Airport | Berane | 🇲🇪 Montenegro | Small Airport |
| IVI | Viveros Island Airport | Isla Viveros | 🇵🇦 Panama | Small Airport | |
| IVL | EFIV | Ivalo Airport | Ivalo | 🇫🇮 Finland | Large Airport |
| IVO | Chivolo Airport | Chivolo | 🇨🇴 Colombia | Small Airport | |
| IVR | YIVL | Inverell Airport | Inverell | 🇦🇺 Australia | Medium Airport |
| IVW | YINW | Inverway Airport | Inverway | 🇦🇺 Australia | Small Airport |
| IWA | UUBI | Ivanovo South Airport | Ivanovo | 🇷🇺 Rusia | Medium Airport |
| IWD | KIWD | Gogebic Iron County Airport | Ironwood | 🇺🇸 A.S | Small Airport |
| IWJ | RJOW | Iwami Airport | Masuda | 🇯🇵 Jepun | Medium Airport |
| IWK | RJOI | Iwakuni Kintaikyo Airport | Iwakuni | 🇯🇵 Jepun | Medium Airport |
| IWO | RJAW | Ioto (Iwo Jima) Airbase | Ogasawara | 🇯🇵 Jepun | Medium Airport |
| IWS | KIWS | West Houston Airport | Houston | 🇺🇸 A.S | Small Airport |
| IXA | VEAT | Agartala - Maharaja Bir Bikram Airport | Agartala | 🇮🇳 India | Medium Airport |
| IXB | VEBD | Bagdogra Airport | Siliguri | 🇮🇳 India | Large Airport |
| IXC | VICG | Shaheed Bhagat Singh International Airport | Chandigarh | 🇮🇳 India | Large Airport |
| IXD | VEAB | Prayagraj Airport | Allahabad | 🇮🇳 India | Medium Airport |
| IXE | VOML | Mangaluru International Airport | Mangaluru | 🇮🇳 India | Large Airport |
| IXG | VOBM | Belagavi Airport | Belgaum | 🇮🇳 India | Medium Airport |
| IXH | VEKR | Kailashahar Airport | Kailashahar | 🇮🇳 India | Medium Airport |
| IXI | VELR | Lilabari North Lakhimpur Airport | Lilabari | 🇮🇳 India | Medium Airport |
| IXJ | VIJU | Jammu Airport | Jammu | 🇮🇳 India | Medium Airport |
| IXK | VAKS | Keshod Airport | Keshod | 🇮🇳 India | Medium Airport |
| IXL | VILH | Leh Kushok Bakula Rimpochee Airport | Leh | 🇮🇳 India | Medium Airport |
| IXM | VOMD | Madurai Airport | Madurai | 🇮🇳 India | Medium Airport |
| IXN | VEKW | Khowai Airport | Khowai | 🇮🇳 India | Small Airport |
| IXP | VIPK | Pathankot Airport | Pathankot | 🇮🇳 India | Medium Airport |
| IXQ | VEKM | Kamalpur Airport | Manik Bhandar | 🇮🇳 India | Small Airport |
| IXR | VERC | Birsa Munda Airport | Ranchi | 🇮🇳 India | Medium Airport |
| IXS | VEKU | Silchar Airport | Silchar | 🇮🇳 India | Medium Airport |
| IXT | VEPG | Pasighat Airport | Pasighat | 🇮🇳 India | Small Airport |
| IXU | VAAU | Aurangabad Airport | Aurangabad | 🇮🇳 India | Medium Airport |
| IXV | VEAN | Along Airport | 🇮🇳 India | Medium Airport | |
| IXW | VEJS | Sonari Airport | Jamshedpur | 🇮🇳 India | Medium Airport |
| IXX | VOBR | Bidar Airport / Bidar Air Force Station | Bidar | 🇮🇳 India | Medium Airport |
| IXY | VAKE | Kandla Airport | Kandla | 🇮🇳 India | Medium Airport |
| IXZ | VOPB | Veer Savarkar International Airport / INS Utkrosh | Port Blair | 🇮🇳 India | Large Airport |
| IYK | KIYK | Inyokern Airport | Inyokern | 🇺🇸 A.S | Small Airport |
| IZA | SBZM | Presidente Itamar Franco Airport | Juiz de Fora | 🇧🇷 Brazil | Medium Airport |
| IZE | Itzehoe Hungriger Wolf Airfield | Hohenlockstedt | 🇩🇪 Jerman | Small Airport | |
| IZM | LTFB | Selçuk Efes Airport | Selçuk | 🇹🇷 Turkiye | Small Airport |
| IZO | RJOC | Izumo Enmusubi Airport | Izumo | 🇯🇵 Jepun | Medium Airport |
| IZT | MMIT | General Antonio Cárdenas Rodríguez National Airport / Ixtepec Air Base | Ixtepec | 🇲🇽 Mexico | Medium Airport |