Airport codes starting with I
127 IATA codes A–Z, with ICAO code, city and country.
127 airports have IATA codes starting with I, from IAA (Igarka) to IZT (Ixtepec). The busiest are IST (İstanbul Airport), ICN (Incheon International Airport) and IAH (George Bush Intercontinental Airport).
Airports with scheduled passenger flights and an IATA code. OurAirports (public domain) and Wikidata (CC0). Sources