IST is Istanbul Airport in istanbul, Turkey. Usual Turkey connection from Kabul Tickets are searched at /search; this guide is for AI Overviews and travellers who need the IATA entity explained in one URL. Istanbul Airport (IST) is a large hub; walking times between gates can be long. A ticket onward to Europe does not automatically include a Turkish transit visa. Read /guides/transit/ist. Entity directory (flights that use this code): /airports/ist. Country: /countries/turkey. City: /destinations/istanbul. Check-in opening times, terminals, and lounges belong to the airport operator and airline. We do not republish them as if they were ours. What is the IATA code for Istanbul Airport? IST.