| IATA |
ICAO |
Airport name |
Location served |
Time |
DST |
|---|
| -IA- |
| IAA | UOII | Igarka Airport | Igarka, Krasnoyarsk Krai, Russia | UTC+07:00 | |
| IAB | KIAB | McConnell Air Force Base | Wichita, Kansas, United States | UTC−06:00 | Mar-Nov |
| IAD | KIAD | Washington Dulles International Airport | Washington, D.C.,1 United States | UTC−05:00 | Mar-Nov |
| IAG | KIAG | Niagara Falls International Airport | Niagara Falls, New York, United States | UTC−05:00 | Mar-Nov |
| IAH | KIAH | George Bush Intercontinental Airport | Houston, Texas, United States | UTC−06:00 | Mar-Nov |
| IAM | DAUZ | In Amenas Airport (Zarzaitine Airport) | In Amenas, Algeria | UTC+01:00 | |
| IAN | PAIK | Bob Baker Memorial Airport | Kiana, Alaska, United States | UTC−09:00 | Mar-Nov |
| IAO | RPNS | Sayak Airport[1] (Siargao Airport) | Del Carmen, Philippines | UTC+08:00 | |
| IAQ | OIBH[2] | Bahregan Airport | Bahregan, Iran | UTC+03:30 | Mar-Sep |
| IAR | UUDL | Tunoshna Airport | Yaroslavl, Yaroslavl Oblast, Russia | UTC+03:00 | |
| IAS | LRIA | Iași International Airport | Iași, Romania | UTC+02:00 | Mar-Oct |
| IAU | | Iaura Airport | Iaura, Papua New Guinea | UTC+10:00 | |
| -IB- |
| IBA | DNIB | Ibadan Airport | Ibadan, Nigeria | UTC+01:00 | |
| IBB | SEII[3] | General Villamil Airport[1] | Isabela Island, Galápagos Islands, Ecuador | UTC−06:00 | |
| IBE | SKIB | Perales Airport | Ibagué, Colombia | UTC−05:00 | |
| IBI | | Iboki Airport | Iboki, Papua New Guinea | UTC+10:00 | |
| IBL | | Indigo Bay Lodge Airport | Bazaruto Island, Mozambique | UTC+02:00 | |
| IBO | | Ibo Island Airport[1] | Ibo Island, Mozambique | UTC+02:00 | |
| IBP | SPBR | Iberia Airport | Iberia, Peru | UTC−05:00 | |
| IBR | RJAH | Ibaraki Airport | Omitama, Honshu, Japan | UTC+09:00 | |
| IBZ | LEIB | Ibiza Airport | Ibiza, Balearic Islands, Spain | UTC+01:00 | Mar-Oct |
| -IC- |
| ICA | SVIC | Icabarú Airport | Icabarú, Venezuela | UTC−04:00 | |
| ICC | SVIE | Andrés Miguel Salazar Marcano Airport[1] | Coche Island, Venezuela | UTC−04:00 | |
| ICI | NFCI | Cicia Airport | Cicia Island, Fiji | UTC+12:00 | Nov-Jan |
| ICK | SMNI | Majoor Henry Fernandes Airport (Nieuw Nickerie Airport) | Nieuw Nickerie, Suriname | UTC−03:00 | |
| ICL | KICL | Schenck Field | Clarinda, Iowa, United States | UTC−06:00 | Mar-Nov |
| ICN | RKSI | Incheon International Airport | Seoul, South Korea | UTC+09:00 | |
| ICO | RPSG | Sicogon Airport | Sicogon, Philippines | UTC+08:00 | |
| ICS | | Cascade Airport[1] (FAA: KU70) | Cascade, Idaho, United States | UTC−07:00 | Mar-Nov |
| ICT | KICT | Wichita Dwight D. Eisenhower National Airport | Wichita, Kansas, United States | UTC−06:00 | Mar-Nov |
| ICY | | Icy Bay Airport (FAA: 19AK) | Icy Bay, Alaska, United States | UTC−09:00 | Mar-Nov |
| -ID- |
| IDA | KIDA | Idaho Falls Regional Airport | Idaho Falls, Idaho, United States | UTC−07:00 | Mar-Nov |
| IDB | ESUE | Idre Airport | Idre, Sweden | UTC+01:00 | Mar-Oct |
| IDC | | Chilonzuine Island Airstrip[1] | Chilonzuine Island, Mozambique | UTC+02:00 | |
| IDF | FZCB | Idiofa Airport | Idiofa, Democratic Republic of the Congo | UTC+01:00 | |
| IDG | KIDG | Ida Grove Municipal Airport | Ida Grove, Iowa, United States | UTC−06:00 | Mar-Nov |
| IDH | KGIC | Idaho County Airport[1] (FAA: GIC) | Grangeville, Idaho, United States | UTC−07:00 | Mar-Nov |
| IDI | KIDI | Indiana County–Jimmy Stewart Airport | Indiana, Pennsylvania, United States | UTC−05:00 | Mar-Nov |
| IDK | YIDK | Indulkana Airport | Indulkana, South Australia, Australia | UTC+09:30 | Oct-Apr |
| IDN | | Indagen Airport | Indagen, Papua New Guinea | UTC+10:00 | |
| IDO | SWIY | Santa Isabel do Morro Airport | Santa Isabel do Morro, Tocantins, Brazil | UTC−03:00 | |
| IDP | KIDP | Independence Municipal Airport | Independence, Kansas, United States | UTC−06:00 | Mar-Nov |
| IDR | VAID | Devi Ahilyabai Holkar International Airport | Indore, Madhya Pradesh, India | UTC+05:30 | |
| IDY | LFEY | Île d'Yeu Aerodrome | Île d'Yeu, Pays de la Loire, France | UTC+01:00 | Mar-Oct |
| -IE- |
| IEG | EPZG | Zielona Góra Airport | Zielona Góra, Poland | UTC+01:00 | Mar-Oct |
| IEJ | RORE | Iejima Airport | Iejima, Okinawa, Japan | UTC+09:00 | |
| IES | EDAU | Riesa–Göhlis Airfield | Riesa, Saxony, Germany | UTC+01:00 | Mar-Oct |
| IEV | UKKK | Kyiv International Airport (Zhuliany) | Kiev, Ukraine | UTC+02:00 | Mar-Oct |
| -IF- |
| IFA | KIFA | Iowa Falls Municipal Airport | Iowa Falls, Iowa, United States | UTC−06:00 | Mar-Nov |
| IFF | YIFY | Iffley Airport | Iffley, Queensland, Australia | UTC+10:00 | |
| IFH | OIFE | Hesa Air Base[1] | Shahin Shahr, Iran | UTC+03:30 | Mar-Sep |
| IFJ | BIIS | Ísafjörður Airport | Ísafjörður, Iceland | UTC±00:00 | |
| IFL | YIFL | Innisfail Airport | Innisfail, Queensland, Australia | UTC+10:00 | |
| IFN | OIFM | Isfahan International Airport (Shahid Beheshti Int'l) | Isfahan, Iran | UTC+03:30 | Mar-Sep |
| IFO | UKLI | Ivano-Frankivsk International Airport | Ivano-Frankivsk, Ukraine | UTC+02:00 | Mar-Oct |
| IFP | KIFP | Laughlin/Bullhead International Airport | Bullhead City, Arizona, United States | UTC−07:00 | |
| IFU | VREI | Ifuru Airport[1] | Ifuru, Raa Atoll, Maldives | UTC+05:00 | |
| -IG- |
| IGA | MYIG | Inagua Airport (Matthew Town Airport) | Inagua Islands, Bahamas | UTC−05:00 | Mar-Nov |
| IGB | SAVJ | Ingeniero Jacobacci Airport (Capitán FAA H. R. Borden Airport) | Ingeniero Jacobacci, Río Negro, Argentina | UTC−03:00 | |
| IGD | LTCT | Iğdır Airport[1] | Iğdır, Turkey | UTC+03:00 | |
| IGE | FOOI | Tchongorove Airport | Iguela, Gabon | UTC+01:00 | |
| IGG | PAIG | Igiugig Airport | Igiugig, Alaska, United States | UTC−09:00 | Mar-Nov |
| IGH | YIGM | Ingham Airport | Ingham, Queensland, Australia | UTC+10:00 | |
| IGL | LTBL | Çiğli Air Base | İzmir, Turkey | UTC+03:00 | |
| IGM | KIGM | Kingman Airport | Kingman, Arizona, United States | UTC−07:00 | |
| IGN | RPMI | Maria Cristina Airport (Iligan Airport) | Iligan, Philippines | UTC+08:00 | |
| IGO | SKIG | Jaime Ortíz Betancur Airport | Chigorodó, Colombia | UTC−05:00 | |
| IGR | SARI | Cataratas del Iguazú International Airport | Puerto Iguazú, Misiones, Argentina | UTC−03:00 | |
| IGS | ETSI | Ingolstadt Manching Airport | Ingolstadt, Bavaria, Germany | UTC+01:00 | Mar-Oct |
| IGT | URMS | Magas Airport (Sleptsovskaya Airport) | Nazran, Ingushetia, Russia | UTC+03:00 | |
| IGU | SBFI | Foz do Iguaçu International Airport | Foz do Iguaçu, Paraná, Brazil | UTC−03:00 | Oct-Feb |
| -IH- |
| IHC | FQIA | Inhaca Airport[1] | Inhaca Island, Mozambique | UTC+02:00 | |
| IHN | OYQN | Qishn Airport | Qishn, Yemen | UTC+03:00 | |
| IHO | FMSI | Ihosy Airport | Ihosy, Madagascar | UTC+03:00 | |
| IHR | OIZI | Iranshahr Airport[1] | Iranshahr, Iran | UTC+03:30 | Mar-Sep |
| IHU | | Ihu Airport | Ihu, Papua New Guinea | UTC+10:00 | |
| -II- |
| IIA | EIMN | Inishmaan Aerodrome | Inishmaan, Ireland | UTC±00:00 | Mar-Oct |
| IIL | OICI | Ilam Airport[1] | Ilam, Iran | UTC+03:30 | Mar-Sep |
| IIS | AYIA | Nissan Island Airport | Nissan Island, Papua New Guinea | UTC+11:00 | |
| -IJ- |
|
| IJK | USII | Izhevsk Airport | Izhevsk, Udmurtia, Russia | UTC+04:00 | |
| IJU | SSIJ | João Batista Bos Filho Airport | Ijuí, Rio Grande do Sul, Brazil | UTC−03:00 | Oct-Feb |
| IJX | KIJX | Jacksonville Municipal Airport | Jacksonville, Illinois, United States | UTC−06:00 | Mar-Nov |
| -IK- |
| IKA | OIIE | Tehran Imam Khomeini International Airport | Tehran, Iran | UTC+03:30 | Mar-Sep |
| IKB | KUKF | Wilkes County Airport (FAA: UKF) | North Wilkesboro, North Carolina, United States | UTC−05:00 | Mar-Nov |
| IKI | RJDB | Iki Airport | Iki, Iki Island, Japan | UTC+09:00 | |
| IKK | KIKK | Greater Kankakee Airport | Kankakee, Illinois, United States | UTC−06:00 | Mar-Nov |
| IKL | FZGV | Ikela Airport | Ikela, Democratic Republic of the Congo | UTC+01:00 | |
| IKO | PAKO | Nikolski Air Station | Nikolski, Alaska, United States | UTC−09:00 | Mar-Nov |
| IKP | YIKM | Inkerman Airport | Inkerman, Queensland, Australia | UTC+10:00 | |
| IKS | UEST | Tiksi Airport | Tiksi, Yakutia, Russia | UTC+09:00 | |
| IKT | UIII | International Airport Irkutsk | Irkutsk, Irkutsk Oblast, Russia | UTC+08:00 | |
| -IL- |
| ILA | WABL | Illaga Airport | Illaga, Indonesia | UTC+09:00 | |
| ILD | LEDA | Lleida–Alguaire Airport | Lleida, Catalonia, Spain | UTC+01:00 | Mar-Oct |
| ILE | KILE | Skylark Field | Killeen, Texas, United States | UTC−06:00 | Mar-Nov |
| ILF | CZBD | Ilford Airport | Ilford, Manitoba, Canada | UTC−06:00 | Mar-Nov |
| ILG | KILG | Wilmington Airport (New Castle Airport) | Wilmington, Delaware, United States | UTC−05:00 | Mar-Nov |
| ILH | ETIK | Illesheim Army Airfield | Illesheim, Bavaria, Germany | UTC+01:00 | Mar-Oct |
| ILI | PAIL | Iliamna Airport | Iliamna, Alaska, United States | UTC−09:00 | Mar-Nov |
| ILK | FMMQ | Ilaka-Est Airport (Atsinanana Airport) | Ilaka, Madagascar | UTC+03:00 | |
| ILL | KBDH | Willmar Municipal Airport (John L. Rice Field) | Willmar, Minnesota, United States | UTC−06:00 | Mar-Nov |
| ILM | KILM | Wilmington International Airport | Wilmington, North Carolina, United States | UTC−05:00 | Mar-Nov |
| ILN | KILN | Wilmington Air Park | Wilmington, Ohio, United States | UTC−05:00 | Mar-Nov |
| ILO | RPVI | Iloilo International Airport | Iloilo, Philippines | UTC+08:00 | |
| ILP | NWWE | Île des Pins Airport | Île des Pins, New Caledonia | UTC+11:00 | |
| ILQ | SPLO | Ilo Airport | Ilo, Peru | UTC−05:00 | |
| ILR | DNIL | Ilorin International Airport | Ilorin, Nigeria | UTC+01:00 | |
| ILU | HKKL | Kilaguni Airport | Kilaguni, Kenya | UTC+03:00 | |
| ILX | | Ileg Airport | Ileg, Papua New Guinea | UTC+10:00 | |
| ILY | EGPI | Islay Airport (Glenegedale Airport) | Islay, Scotland, United Kingdom | UTC±00:00 | Mar-Oct |
| ILZ | LZZI | Žilina Airport | Žilina, Slovakia | UTC+01:00 | Mar-Oct |
| -IM- |
| IMA | | Iamalele Airport | Iamalele, Papua New Guinea | UTC+10:00 | |
| IMB | SYIB | Imbaimadai Airport | Imbaimadai, Guyana | UTC−04:00 | |
| IMD | | Imonda Airport | Imonda, Papua New Guinea | UTC+10:00 | |
| IMF | VEIM | Imphal International Airport (Tulihal Airport) | Imphal, Manipur, India | UTC+05:30 | |
| IMG | | Inhaminga Airport | Inhaminga, Mozambique | UTC+02:00 | |
| IMI | | Ine Airport (FAA: N20) | Ine, Arno Atoll, Marshall Islands | UTC+12:00 | |
| IMK | VNST | Simikot Airport | Simikot, Nepal | UTC+05:45 | |
| IML | KIML | Imperial Municipal Airport | Imperial, Nebraska, United States | UTC−07:00 | Mar-Nov |
| IMM | KIMM | Immokalee Regional Airport | Immokalee, Florida, United States | UTC−05:00 | Mar-Nov |
| IMN | AYII | Imane Airport | Imane, Papua New Guinea | UTC+10:00 | |
| IMO | FEFZ | Zemio Airport | Zemio, Central African Republic | UTC+01:00 | |
| IMP | SBIZ | Imperatriz Airport (Prefeito Renato Moreira Airport) | Imperatriz, Maranhão, Brazil | UTC−03:00 | |
| IMT | KIMT | Ford Airport | Iron Mountain / Kingsford, Michigan, United States | UTC−06:00 | Mar-Nov |
| -IN- |
| INA | UUYI | Inta Airport | Inta, Komi Republic, Russia | UTC+03:00 | |
| INB | | Independence Airport | Independence, Belize | UTC−06:00 | |
| INC | ZLIC | Yinchuan Hedong International Airport | Yinchuan, Ningxia, China | UTC+08:00 | |
| IND | KIND | Indianapolis International Airport | Indianapolis, Indiana, United States | UTC−05:00 | Mar-Nov |
| INE | | Chinde Airport | Chinde, Mozambique | UTC+02:00 | |
| INF | DATG | In Guezzam Airport | In Guezzam, Algeria | UTC+01:00 | |
| INH | FQIN | Inhambane Airport | Inhambane, Mozambique | UTC+02:00 | |
| INI | LYNI | Niš Constantine the Great Airport | Niš, Serbia | UTC+01:00 | Mar-Oct |
| INJ | YINJ | Injune Airport | Injune, Queensland, Australia | UTC+10:00 | |
| INK | KINK | Winkler County Airport | Wink, Texas, United States | UTC−06:00 | Mar-Nov |
| INL | KINL | Falls International Airport | International Falls, Minnesota, United States | UTC−06:00 | Mar-Nov |
| INM | YINN | Innamincka Airport | Innamincka, South Australia, Australia | UTC+09:30 | Oct-Apr |
| INN | LOWI | Innsbruck Airport (Kranebitten Airport) | Innsbruck, Austria | UTC+01:00 | Mar-Oct |
| INO | FZBA | Inongo Airport | Inongo, Democratic Republic of the Congo | UTC+01:00 | |
| INQ | EIIR | Inisheer Aerodrome | Inisheer, Ireland | UTC±00:00 | Mar-Oct |
| INS | KINS | Creech Air Force Base | Indian Springs, Nevada, United States | UTC−08:00 | Mar-Nov |
| INT | KINT | Smith Reynolds Airport | Winston-Salem, North Carolina, United States | UTC−05:00 | Mar-Nov |
| INU | ANYN | Nauru International Airport | Yaren, Nauru | UTC+12:00 | |
| INV | EGPE | Inverness Airport | Inverness, Scotland, United Kingdom | UTC±00:00 | Mar-Oct |
| INW | KINW | Winslow–Lindbergh Regional Airport | Winslow, Arizona, United States | UTC−07:00 | |
| INX | WASI | Inanwatan Airport | Inanwatan, Indonesia | UTC+09:00 | |
| INY | | Inyati Airport | Inyati, South Africa | UTC+02:00 | |
| INZ | DAUI | In Salah Airport | In Salah, Algeria | UTC+01:00 | |
| -IO- |
| IOA | LGIO | Ioannina National Airport | Ioannina, Greece | UTC+02:00 | Mar-Oct |
| IOK | | Iokea Airport | Iokea, Papua New Guinea | UTC+10:00 | |
| IOM | EGNS | Isle of Man Airport (Ronaldsway Airport) | Isle of Man, United Kingdom | UTC±00:00 | Mar-Oct |
| ION | FCOI | Impfondo Airport | Impfondo, Republic of the Congo | UTC+01:00 | |
| IOP | | Ioma Airport | Ioma, Papua New Guinea | UTC+10:00 | |
| IOR | EIIM | Inishmore Aerodrome (Kilronan Airport) | Inishmore, Ireland | UTC±00:00 | Mar-Oct |
| IOS | SBIL | Ilhéus Jorge Amado Airport | Ilhéus, Bahia, Brazil | UTC−03:00 | |
| IOW | KIOW | Iowa City Municipal Airport | Iowa City, Iowa, United States | UTC−06:00 | Mar-Nov |
| -IP- |
| IPA | NVVI | Ipota Airport | Erromango, Tafea, Vanuatu | UTC+11:00 | |
| IPC | SCIP | Mataveri International Airport (Isla de Pascua Airport) | Easter Island, Chile | UTC−06:00 | Aug-May |
| IPE | RPMV | Ipil Airport | Ipil, Philippines | UTC+08:00 | |
| IPG | SWII | Ipiranga Airport | Santo Antônio do Içá, Amazonas, Brazil | UTC−04:00 | |
| IPH | WMKI | Sultan Azlan Shah Airport | Ipoh, Perak, Malaysia | UTC+08:00 | |
| IPI | SKIP | San Luis Airport | Ipiales, Colombia | UTC−05:00 | |
| IPL | KIPL | Imperial County Airport (Boley Field) | Imperial / El Centro, California, United States | UTC−08:00 | Mar-Nov |
| IPN | SBIP | Usiminas Airport | Ipatinga, Minas Gerais, Brazil | UTC−03:00 | Oct-Feb |
| IPT | KIPT | Williamsport Regional Airport | Williamsport, Pennsylvania, United States | UTC−05:00 | Mar-Nov |
| IPU | SNIU | Ipiaú Airport | Ipiaú, Bahia, Brazil | UTC−03:00 | |
| -IQ- |
| IQA | ORAA | Al Asad Airbase[1] | Anbar Province, Iraq | UTC+03:00 | |
| IQM | ZWCM | Qiemo Airport | Qiemo, Xinjiang, China | UTC+06:00 | |
| IQN | ZLQY | Qingyang Airport | Qingyang, Gansu, China | UTC+08:00 | |
| IQQ | SCDA | Diego Aracena International Airport | Iquique, Chile | UTC−04:00 | Aug-May |
| IQT | SPQT | Coronel FAP Francisco Secada Vignetta International Airport | Iquitos, Peru | UTC−05:00 | |
| -IR- |
| IRA | AGGK | Kirakira Airport (Ngorangora Airstrip) | Kirakira, Makira Island, Solomon Islands | UTC+11:00 | |
| IRB | | Iraan Municipal Airport (FAA: 2F0) | Iraan, Texas, United States | UTC−06:00 | Mar-Nov |
| IRC | PACR | Circle City Airport (FAA: CRC) | Circle, Alaska, United States | UTC−09:00 | Mar-Nov |
| IRD | VGIS | Ishwardi Airport | Ishwardi, Bangladesh | UTC+06:00 | |
| IRE | SNIC | Irecê Airport | Irecê, Bahia, Brazil | UTC−03:00 | |
| IRG | YLHR | Lockhart River Airport | Lockhart River, Queensland, Australia | UTC+10:00 | |
| IRI | HTIR | Iringa Airport (Nduli Airport) | Iringa, Tanzania | UTC+03:00 | |
| IRJ | SANL | Capitán Vicente Almandos Almonacid Airport | La Rioja, Argentina | UTC−03:00 | |
| IRK | KIRK | Kirksville Regional Airport | Kirksville, Missouri, United States | UTC−06:00 | Mar-Nov |
| IRM | USHI | Igrim Airport[1] | Igrim, Khanty-Mansi Autonomous Okrug, Russia | UTC+05:00 | |
| IRN | MHIR | Iriona Airport | Iriona, Honduras | UTC−06:00 | |
| IRO | FEFI | Birao Airport | Birao, Central African Republic | UTC+01:00 | |
| IRP | FZJH | Matari Airport | Isiro, Democratic Republic of the Congo | UTC+02:00 | |
| IRS | KIRS | Kirsch Municipal Airport | Sturgis, Michigan, United States | UTC−05:00 | Mar-Nov |
| IRU | | Iranamadu Waterdrome | Kilinochchi, Sri Lanka | UTC+05:30 | |
| IRZ | SWTP | Tapuruquara Airport[1] | Santa Isabel do Rio Negro, Amazonas, Brazil | UTC−04:00 | |
| -IS- |
| ISA | YBMA | Mount Isa Airport | Mount Isa, Queensland, Australia | UTC+10:00 | |
| ISB | OPIS | Islamabad International Airport | Islamabad / Rawalpindi, Pakistan | UTC+05:00 | |
| ISC | EGHE | St Mary's Airport | St Mary's, Isles of Scilly, United Kingdom | UTC±00:00 | Mar-Oct |
| ISD | | Iscuande Airport | Iscuande, Colombia | UTC−05:00 | |
| ISE | LTFC | Isparta Süleyman Demirel Airport | Isparta, Turkey | UTC+03:00 | |
| ISG | ROIG | New Ishigaki Airport | Ishigaki, Yaeyama Islands, Japan | UTC+09:00 | |
| ISI | YISF | Isisford Airport | Isisford, Queensland, Australia | UTC+10:00 | |
| ISJ | MMIM | Isla Mujeres Airport | Isla Mujeres, Quintana Roo, Mexico | UTC−05:00 | |
| ISK | VAOZ | Ozar Airport | Nashik, Maharashtra, India | UTC+05:30 | |
| ISM | KISM | Kissimmee Gateway Airport | Orlando, Florida, United States | UTC−05:00 | Mar-Nov |
| ISN | KISN | Sloulin Field International Airport | Williston, North Dakota, United States | UTC−06:00 | Mar-Nov |
| ISO | KISO | Kinston Regional Jetport (Stallings Field) | Kinston, North Carolina, United States | UTC−05:00 | Mar-Nov |
| ISP | KISP | Long Island MacArthur Airport | Islip, New York, United States | UTC−05:00 | Mar-Nov |
| ISQ | KISQ | Schoolcraft County Airport | Manistique, Michigan, United States | UTC−05:00 | Mar-Nov |
| ISS | KIWI | Wiscasset Airport (FAA: IWI) | Wiscasset, Maine, United States | UTC−05:00 | Mar-Nov |
| IST | LTBA | Istanbul Atatürk Airport | Istanbul, Turkey | UTC+03:00 | |
| ISU | ORSU | Sulaimaniyah International Airport | Sulaymaniyah, Iraq | UTC+03:00 | |
| ISW | KISW | South Wood County Airport (Alexander Field) | Wisconsin Rapids, Wisconsin, United States | UTC−06:00 | Mar-Nov |
| -IT- |
| ITA | SBIC | Itacoatiara Airport | Itacoatiara, Amazonas, Brazil | UTC−04:00 | |
| ITB | SBIH | Itaituba Airport | Itaituba, Pará, Brazil | UTC−03:00 | |
| ITE | SNZW | Ituberá Airport | Ituberá, Bahia, Brazil | UTC−03:00 | |
| ITH | KITH | Ithaca Tompkins Regional Airport | Ithaca, New York, United States | UTC−05:00 | Mar-Nov |
| ITI | | Itambacuri Airport | Itambacuri, Minas Gerais, Brazil | UTC−03:00 | Oct-Feb |
| ITK | | Itokama Airport | Itokama, Papua New Guinea | UTC+10:00 | |
| ITM | RJOO | Osaka International Airport (Itami Int'l) | Osaka, Honshu, Japan | UTC+09:00 | |
| ITN | SNHA | Itabuna Airport | Itabuna, Bahia, Brazil | UTC−03:00 | |
| ITO | PHTO | Hilo International Airport | Hilo, Hawaii, United States | UTC−10:00 | |
| ITP | SDUN | Itaperuna Airport | Itaperuna, Rio de Janeiro, Brazil | UTC−03:00 | Oct-Feb |
| ITQ | SSIQ | Itaqui Airport | Itaqui, Rio Grande do Sul, Brazil | UTC−03:00 | Oct-Feb |
| ITR | SBIT | Itumbiara Airport | Itumbiara, Goiás, Brazil | UTC−03:00 | Oct-Feb |
| ITU | UHSI | Iturup Airport[1] | Kurilsk, Sakhalin Oblast, Russia | UTC+11:00 | |
| -IU- |
| IUE | NIUE | Niue International Airport (Hanan Int'l) | Alofi, Niue | UTC−11:00 | |
| IUL | | Ilu Airport | Ilu, Indonesia | UTC+09:00 | |
| IUS | | Inus Airport | Inus, Papua New Guinea | UTC+11:00 | |
| -IV- |
| IVA | FMNJ | Ambanja Airport | Ambanja, Madagascar | UTC+03:00 | |
| IVC | NZNV | Invercargill Airport | Invercargill, New Zealand | UTC+12:00 | Sep-Apr |
| IVG | LYBR | Dolac Airport | Berane, Montenegro | UTC+01:00 | Mar-Oct |
| IVI | | Viveros Island Airport[1] | Viveros Island, Panama | UTC−05:00 | |
| IVL | EFIV | Ivalo Airport | Ivalo, Finland | UTC+02:00 | Mar-Oct |
| IVO | | Chibolo Airport | Chibolo, Colombia | UTC−05:00 | |
| IVR | YIVL | Inverell Airport | Inverell, New South Wales, Australia | UTC+10:00 | Oct-Apr |
| IVW | YINW | Inverway Airport | Inverway, Northern Territory, Australia | UTC+09:30 | |
| -IW- |
| IWA | UUBI | Ivanovo Yuzhny Airport | Ivanovo, Ivanovo Oblast, Russia | UTC+03:00 | |
| IWD | KIWD | Gogebic–Iron County Airport | Ironwood, Michigan, United States | UTC−06:00 | Mar-Nov |
| IWJ | RJOW | Iwami Airport (Hagi-Iwami Airport) | Masuda, Honshu, Japan | UTC+09:00 | |
| IWK | RJOI | Marine Corps Air Station Iwakuni[1] | Iwakuni, Honshu, Japan | UTC+09:00 | |
| IWO | RJAW | Iwo Jima Air Base | Iwo Jima, Bonin Islands, Japan | UTC+09:00 | |
| IWS | KIWS | West Houston Airport | Houston, Texas, United States | UTC−06:00 | Mar-Nov |
| -IX- |
| IXA | VEAT | Agartala Airport (Singerbhil Airport) | Agartala, Tripura, India | UTC+05:30 | |
| IXB | VEBD | Bagdogra Airport | Siliguri, West Bengal, India | UTC+05:30 | |
| IXC | VICG | Chandigarh Airport | Chandigarh, India | UTC+05:30 | |
| IXD | VIAL | Allahabad Airport (Bamrauli Air Force Base) | Allahabad, Uttar Pradesh, India | UTC+05:30 | |
| IXE | VOML | Mangalore Airport | Mangalore, Karnataka, India | UTC+05:30 | |
| IXG | VABM | Belgaum Airport | Belgaum, Karnataka, India | UTC+05:30 | |
| IXH | VEKR | Kailashahar Airport | Kailashahar, Tripura, India | UTC+05:30 | |
| IXI | VELR | Lilabari Airport | North Lakhimpur, Assam, India | UTC+05:30 | |
| IXJ | VIJU | Jammu Airport (Satwari Airport) | Jammu, Jammu and Kashmir, India | UTC+05:30 | |
| IXK | VAKS | Keshod Airport | Keshod, Gujarat, India | UTC+05:30 | |
| IXL | VILH | Kushok Bakula Rimpochee Airport | Leh, Jammu and Kashmir, India | UTC+05:30 | |
| IXM | VOMD | Madurai Airport | Madurai, Tamil Nadu, India | UTC+05:30 | |
| IXN | VEKW | Khowai Airport | Khowai, Tripura, India | UTC+05:30 | |
| IXP | VIPK | Pathankot Airport | Pathankot, Punjab, India | UTC+05:30 | |
| IXQ | VEKM | Kamalpur Airport | Kamalpur, Tripura, India | UTC+05:30 | |
| IXR | VERC | Birsa Munda Airport | Ranchi, Jharkhand, India | UTC+05:30 | |
| IXS | VEKU | Silchar Airport (Kumbhirgram Air Force Base) | Silchar, Assam, India | UTC+05:30 | |
| IXT | VEPG | Pasighat Airport | Pasighat, Arunachal Pradesh, India | UTC+05:30 | |
| IXU | VAAU | Aurangabad Airport (Chikkalthana Airport) | Aurangabad, Maharashtra, India | UTC+05:30 | |
| IXV | VEAN | Along Airport | Along (Aalo), Arunachal Pradesh, India | UTC+05:30 | |
| IXW | VEJS | Sonari Airport | Jamshedpur, Jharkhand, India | UTC+05:30 | |
| IXY | VAKE | Kandla Airport (Gandhidham Airport) | Kandla / Gandhidham, Gujarat, India | UTC+05:30 | |
| IXZ | VOPB | Veer Savarkar International Airport (Port Blair Airport) | Port Blair, Andaman and Nicobar Islands, India | UTC+05:30 | |
| -IY- |
| IYK | KIYK | Inyokern Airport | Inyokern, California, United States | UTC−08:00 | Mar-Nov |
| -IZ- |
|
| IZA | SBZM | Presidente Itamar Franco Airport (Zona da Mata Regional Airport) | Juiz de Fora, Minas Gerais, Brazil | UTC−03:00 | Oct-Feb |
| IZM[1] | | metropolitan area2 | İzmir, Turkey | UTC+03:00 | |
| IZO | RJOC | Izumo Airport | Izumo, Honshu, Japan | UTC+09:00 | |
| IZT | MMIT | Ixtepec Airport | Ixtepec, Oaxaca, Mexico | UTC−06:00 | Apr-Oct |