Here's a list of 3 letter IATA airport codes, sorted by city name. Clicking on the code will show you the SeatSaleSpy.com list of airline seat sales to and from that airport, compiled from millions of searches on hundreds of travel and airline websites in the last few days. You can also see airline seat sale results between any two specific airports using the search forms to the right.

The airport codes are arranged alphabetically by city name. Click on the starting letter:

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N - O - P - Q - R - S - T - U - V - W - X - Y - Z

Airport Codes (Cities starting with I)

IAS - Iasi, Romania (Iasi)
IBA - Ibadan, Nigeria (Ibadan)
IBE - Ibague, Colombia (Ibague)
IBZ - Ibiza, Spain (Ibiza)
IDA - Idaho Falls, ID (Fanning Field)
IGG - Igiugig, AK (Igiugig)
YGT - Igloolik, NU, Canada (Igloolik)
IGU - Iguassu Falls, Brazil (Cataratas)
IGR - Iguazu, Argentina (Cataratas)
JIK - Ikaria Island, Greece (Ikaria)
IIL - Ilaam, Iran (Ilaam)
YGR - Iles De La Madeleine, QC, Canada (Iles De La Madeleine)
ILF - Ilford, MB, Canada (Ilford)
IOS - Ilhéus, Brazil (Eduardo Gomes)
ILI - Iliamna, AK (Iliamna)
VVZ - Illizi, Algeria (Illizi)
ILO - Iloilo, Philippines (Mandurriao)
ILR - Ilorin, Nigeria (Ilorin)
JAV - Ilulissat, Greenland (Ilulissat)
IKA - Imam Khomeini, Iran (Imam Khomeini)
IMP - Imperatriz, Brazil (Imperatriz)
ION - Impfondo, Republic of the Congo (Impfondo)
IMF - Imphal, India (Imphal)
IAM - In Amenas, Algeria (In Amenas)
INZ - In Salah, Algeria (In Salah)
IGA - Inagua, The Bahamas (Inagua)
SHC - Indaselassie, Ethiopia (Indaselassie)
IND - Indianapolis, IN (Indianapolis)
IDR - Indore, India (Indore)
INH - Inhambane, Mozambique (Inhambane)
INN - Innsbruck, Austria (Kranebitten)
INL - International Falls, MN (Falls Intl)
YPH - Inukjuak, QC, Canada (Inukjuak)
YEV - Inuvik, NT, Canada (Inuvik/Mike Zubko)
IYK - Inyokern, CA (Kern County)
IOA - Ioannina, Greece (Ioannina)
IPN - Ipatinga, Brazil (Usiminas)
IPI - Ipiales, Colombia (San Luis)
IPH - Ipoh, Malaysia (Ipoh)
YFB - Iqaluit, NU, Canada (Iqaluit)
IQQ - Iquique, Chile (Cavancha)
IQT - Iquitos, Peru (C.F. Secada)
IHR - Iran Shahr, Iran (Iran Shahr)
IKT - Irkutsk, Russia (Irkutsk)
IMT - Iron Mountain, MI (Ford)
IWD - Ironwood, MI (Gogebic County)
IFJ - Isafjordur, Iceland (Isafjordur)
IFN - Isfahan, Iran (Isfahan)
ISG - Ishigaki, Japan (Ishigaki)
ISB - Islamabad, Pakistan (Islamabad Intl)
YIV - Island Lk, MB, Canada (Island Lk/Garden Hill)
ISP - Islip, NY (Long Island)
IST - Istanbul, Turkey (Ataturk)
ITB - Itaituba, Brazil (Itaituba)
ITH - Ithaca, NY (Tompkins County)
IVL - Ivalo, Finland (Ivalo)
IFO - Ivano-Frankovsk, Ukraine (Ivano-Frankovsk)
IWA - Ivanova, Russia (Ivanova)
YIK - Ivujivik, QC, Canada (Ivujivik)
IWJ - Iwami, Japan (Iwami)
ZIH - Ixtapa/Zihuatanejo, Mexico (Intl)
ADB - Izmir, Turkey (Adnan Menderes Arpt)
IZM - Izmir, Turkey (All airports)
IZO - Izumo, Japan (Izumo)

A - B - C - D - E - F - G - H - I - J - K - L - M
N - O - P - Q - R - S - T - U - V - W - X - Y - Z