I

Format of entries is:

• IATA (ICAO) - Airport Name - Airport Location

IA

• IAB (KIAB) - McConnell AFB - Wichita, Kansas, United States
• IAD (KIAD) - Washington Dulles International Airport - Fairfax County and Loudoun County, Virginia (near Washington, DC), United States
• IAG (KIAG) - Niagara Falls International Airport - Niagara Falls, New York, United States
• IAH (KIAH) - George Bush Intercontinental Airport - Houston, Texas, United States
• IAN (PAIK) - Bob Baker Memorial Airport - Kiana, Alaska, United States
• IAR (UUDL) - Yaroslavl Airport - Yaroslavl, Russia
• IAS (LRIA) - Iaşi International Airport - Iaşi, Romania

IB

• IBE (SKIB) - Perales Airport - Ibagué, Colombia
• IBL - Indigo Bay Lodge Airport - Bazaruto Island, Mozambique
• IBM (KIBM) - Kimball Municipal Airport (Robert E. Arraj Field) - Kimball, Nebraska, United States
• IBN (PABN) - Devils Mountain Lodge Airport - Nabesna, Alaska, United States
• IBO (KIBO) - Idabel Airport - Idabel, Oklahoma, United States
• IBZ (LEIB) - Ibiza Airport - Ibiza, Spain

IC

• ICK (SMNI) - Nieuw-Nickerie Airport (Maj. Fernandes Airport) - Nieuw-Nickerie, Suriname
• ICL (KICL) - Schenck Field - Clarinda, Iowa, United States
• ICN (RKSI) - Incheon International Airport - Incheon, South Korea, near Seoul
• ICT (KICT) - Wichita Mid-Continent Airport - Wichita, Kansas, United States

ID

• IDA (KIDA) - Idaho Falls Regional Airport - Idaho Falls, Idaho, United States
• IDG (KIDG) - Ida Grove Municipal Airport - Ida Grove, Iowa, United States
• IDI (KIDI) - Indiana County Airport (Jimmy Stewart Field) - Indiana, Pennsylvania, United States
• IDL (KIDL) - Indianola Municipal Airport - Indianola, Mississippi, United States
• IDP (KIDP) - Independence Municipal Airport - Independence, Kansas, United States
• IDR (VAID) - Devi Ahilyabai Holkar International Airport - Indore, Madhya Pradesh, India

IE

• IEG (EPZG) - Zielona Góra Airport - Zielona Góra, Poland
• IEM (PAWR) - Whittier Airport - Whittier, Alaska, United States
• IEN (KIEN) - Pine Ridge Airport - Pine Ridge, South Dakota, United States
• IER (KIER) - Natchitoches Regional Airport - Natchitoches, Louisiana, United States
• IEV (UKKK) - Kiev International Airport - Kyiv, Ukraine

IF

• IFA (KIFA) - Iowa Falls Municipal Airport - Iowa Falls, Iowa, United States
• IFO (UKLI) - Ivano-Frankivsk Airport - Ivano-Frankivsk, Ukraine
• IFP (KIFP) - Laughlin/Bullhead International Airport - Bullhead City, Arizona, United States

IG

• IGG (PAIG) - Igiugig Airport - Igiugig, Alaska, United States

• IGM (KIGM) - Kingman Airport - Kingman, Arizona, United States
• IGQ (KIGQ) - Lansing Municipal Airport - Chicago, Illinois, United States
• IGR (SARI) - Cataratas del Iguazú International Airport - Puerto Iguazú, Misiones, Argentina
• IGS (ETSI) - Ingolstadt Manching Airport - Ingolstadt, Germany
• IGT (PAGT) - Nightmute Airport - Nightmute, Alaska, United States
• IGU (SBFI) - Foz do Iguaçu International Airport - Foz do Iguaçu, Paraná, Brazil
• IGX (KIGX) - Horace Williams Airport - Chapel Hill, North Carolina, United States

IH

• IHN (OYQN) - Qishn Airport - Qishn, Yemen

II

• IIB (KIIB) - Independence Municipal Airport - Independence, Iowa, United States
• IIK (PAKI) - Kipnuk Airport - Kipnuk, Alaska, United States
• IIY (KIIY) - Washington-Wilkes County Airport - Washington, Georgia, United States

IJ

• IJD (KIJD) - Windham Airport - Willimantic, Connecticut, United States
• IJX (KIJX) - Jacksonville Municipal Airport - Jacksonville, Illinois, United States

IK

• IKA (OIIE) - Imam Khomeini International Airport - Tehran, Iran
• IKG (KIKG) - Kleberg County Airport - Kingsville, Texas, United States
• IKK (KIKK) - Greater Kankakee Airport - Kankakee, Illinois, United States
• IKO (PAKO) - Nikolski Air Station - Nikolski, Alaska, United States
• IKT (UUII) - Irkutsk International Airport - Irkutsk, Russia
• IKV (KIKV) - Ankeny Regional Airport - Ankeny, Iowa, United States

IL

• ILE (KILE) - Skylark Field - Killeen, Texas, United States
• ILG (KILG) - New Castle Airport - Wilmington, Delaware, United States
• ILI (PAIL) - Iliamna Airport - Iliamna, Alaska, United States
• ILL (KILL) - Willmar Municipal Airport (John L. Rice Field) - Willmar, Minnesota, United States
• ILM (KILM) - Wilmington International Airport - Wilmington, North Carolina, United States
• ILN (KILN) - Airborne Airpark - Wilmington, Ohio, United States
• ILO (RPVI) - Iloilo International Airport - Iloilo City, Philippines
• ILZ (LZZI) - Žilina Airport - Žilina, Slovakia

IM

• IMB (SYIB) - Imbaimadai Airport - Imbaimadai, Guyana
• IMF (VEIM) - Tulihal Airport - Imphal, India
• IML (KIML) - Imperial Municipal Airport - Imperial, Nebraska, United States
• IMM (KIMM) - Immokalee Airport - Immokalee, Florida, United States
• IMT (KIMT) - Ford Airport - Iron Mountain / Kingsford, Michigan, United States

IN

• INC (????) - Yinchuan, China
• IND (KIND) - Indianapolis International Airport - Indianapolis, Indiana, United States
• ING (SAWA) - Lago Argentino Airport - El Calafate, Santa Cruz, Argentina (closed 2006)
• INH (FQIN) - Inhambane Airport - Inhambane, Mozambique
• INI (LYNI) - Niš Constantine the Great Airport - Niš, Serbia
• INJ (KINJ) - Hillsboro Municipal Airport - Hillsboro, Texas, United States
• INK (KINK) - Winkler County Airport - Wink, Texas, United States
• INL (KINL) - Falls International Airport - International Falls, Minnesota, United States
• INN (LOWI) - Innsbruck Kranebitten Airport - Innsbruck, Austria
• INR (PAIN) - McKinley National Park Airport - McKinley Park, Alaska, United States
• INS (KINS) - Creech Air Force Base - Indian Springs, Nevada, United States
• INT (KINT) - Smith Reynolds Airport - Winston-Salem, North Carolina, United States
• INU (ANYN) - Nauru International Airport - Yaren, Nauru
• INV (EGPE) - Inverness Airport - Inverness, Scotland, United Kingdom
• INW (KINW) - Winslow-Lindbergh Regional Airport - Winslow, Arizona, United States

IO

• IOA (LGIO) - Ioannina National Airport - Ioannina, Greece
• IOB (KIOB) - Mount Sterling-Montgomery County Airport - Mount Sterling, Kentucky, United States
• IOM (EGNS) - Isle of Man Airport - Ronaldsway, Isle of Man, United Kingdom
• IOR (EIIM) - Inishmore Aerodrome - Inishmore, Ireland
• IOS (SBIL) - Ilhéus Jorge Amado Airport - Ilhéus, Bahia, Brazil
• IOW (KIOW) - Iowa City Municipal Airport - Iowa City, Iowa, United States

IP

• IPC (SCIP) - Mataveri International Airport - Easter Island, Chile
• IPI (SKIP) - San Luis Airport - Ipiales, Colombia
• IPJ (KIPJ) - Lincolnton-Lincoln County Regional Airport - Lincolnton, North Carolina, United States
• IPL (KIPL) - Imperial County Airport - Imperial, California, United States
• IPT (KIPT) - Williamsport Regional Airport - Williamsport, Pennsylvania, United States
• IPH (WMKI) - Sultan Azlan Shah Airport - Ipoh, Perak, Malaysia
• IPW (EGSE) - Ipswich Airport ipw- Ipswich, England (closed 1996)

IQ

• IQQ (SCDA) - Diego Aracena International Airport - Iquique, Chile
• IQT (SPQT) - Crnl. FAP Francisco Secada Vignetta International Airport - Iquitos, Loreto, Peru

IR

• IRJ (SANL) - Capitán Vicente Almandos Almonacid Airport - La Rioja, Argentina
• IRK (KIRK) - Kirksville Regional Airport - Kirksville, Missouri, United States
• IRO (FEFI) - Birao Airport - Birao, Central African Republic
• IRS (KIRS) - Kirsch Municipal Airport - Sturgis, Michigan, United States

IS

• ISB (OPRN) - Islamabad International Airport - Rawalpindi, Pakistan
• ISB (KISB) - Sibley Municipal Airport - Sibley, Iowa, United States
• ISE (LTFC) - Suleyman Demirel Airport - Isparta, Turkey
• ISM (KISM) - Kissimmee Gateway Airport - Orlando, Florida, United States
• ISN (KISN) - Sloulin Field International Airport - Williston, North Dakota, United States
• ISO (KISO) - Kinston Regional Jetport (at Stallings Field) - Kinston, North Carolina, United States
• ISP (KISP) - Long Island MacArthur Airport - Islip, New York, United States
• ISQ (KISQ) - Schoolcraft County Airport - Manistique, Michigan, United States
• IST (LTBA) - Atatürk International Airport - Istanbul, Turkey
• ISU (ORSU) - Sulaimaniyah International Airport - Sulaimaniyah, Kurdistan,Iraq
• ISW (KISW) - Alexander Field South Wood County Airport - Wisconsin Rapids, Wisconsin, United States
• ISZ (KISZ) - Blue Ash Airport - Cincinnati, Ohio, United States

IT

• ITH (KITH) - Ithaca Tompkins Regional Airport - Ithaca, New York, United States
• ITM (RJOO) - Osaka International Airport - Itami (near Osaka), Japan
• ITO (PHTO) - Hilo International Airport - Hilo, Hawaii, United States
• ITR (KITR) - Kit Carson County Airport - Burlington, Colorado, United States

IU

• IUE (NIUE) - Hanan International Airport - Alofi, Niue

IV

• IVC (NZNV) - Invercargill Airport - Invercargill, New Zealand
• IVL (EFIV) - Ivalo Airport - Ivalo, Finland
• IVR (YIVL) - Inverell Airport - Inverell, New South Wales, Australia

IW

• IWA (KIWA) - Phoenix-Mesa Gateway Airport - Phoenix, Arizona, United States
• IWD (KIWD) - Gogebic-Iron County Airport - Ironwood, Michigan, United States
• IWH (KIWH) - Wabash Municipal Airport - Wabash, Indiana, United States
• IWI (KIWI) - Wiscasset Airport - Wiscasset, Maine, United States
• IWS (KIWS) - West Houston Airport - Houston, Texas, United States

IX

• IXA (VEAT) - Agartala Airport (Singerbhil Airport) - Agartala, India
• IXB (VEBD) - Bagdogra Airport - Bagdogra, India
• IXC (VICG) - Chandigarh Airport - Chandigarh, India
• IXD (VIAL) - Allahabad Airport / Bamrauli Air Force Base - Allahabad, India
• IXE (VOML) - Mangalore International Airport - Mangalore, India
• IXG (VABM) - Belgaum Airport - Belgaum, India
• IXH (VEKR) - Kailashahar Airport - Kailashahar, India
• IXI (VELR) - Lilabari Airport (North Lakhimpur Airport) - Assam, India
• IXJ (VIJU) - Jammu Airport (Satwari Airport) - Jammu, India
• IXK (VAKS) - Junagadh Airport (Keshod Airport) - Keshod, India
• IXL (VILH) - Leh Kushok Bakula Rimpochee Airport - Leh, India
• IXM (VOMD) - Madurai Airport - Madurai, India
• IXN (VEKW) - Khowai Airport - Khowai, India
• IXP (VIPK) - Pathankot Air Force Base - Pathankot, India
• IXQ (VEKM) - Kamalpur Airport - Kamalpur, India
• IXR (VERC) - Birsa Munda Airport (Ranchi Airport) - Ranchi, India
• IXS (VEKU) - Silchar Airport (Kumbhirgram Airport) - Silchar, India
• IXT (VEPG) - Pasighat Airport (Passighat Airport) - Pasighat (Passighat), India
• IXU (VAAU) - Aurangabad Airport (Chikkalthana Airport) - Aurangabad, Maharashtra, India
• IXV (VEAN) - Along Airport - Along, Arunachal Pradesh, India
• IXW (VEJS) - Jamshedpur Airport - Jamshedpur, India
• IXY (VAKE) - Kandla Airport (Gandhidham Airport) - Gandhidham / Kandla, India
• IXZ (VOPB) - Vir Savarkar Airport (Port Blair Airport) - Port Blair, India

IY

• IYK (KIYK) - Inyokern Airport - Inyokern, California, United States
• IYS (PAWS) - Wasilla Airport - Wasilla, Alaska, United States

IZ

• IZA (KIZA) - Santa Ynez Airport - Santa Ynez, California, United States
• IZG (KIZG) - Eastern Slopes Regional Airport - Fryeburg, Maine, United States