Istanbul (IST) to Tehran (IKA) flights
6 airlines fly nonstop from Istanbul (IST) to Tehran (IKA): Iran Air, Iran Airtour, Mahan Air, Qeshm Air, Sepehran Airlines and Turkish Airlines. The two airports are 1,276 miles (2,053 km) apart. Turkish Airlines is in Star Alliance. There are also 14 ways to fly it with one stop, through Ankara, Erbil and Sulaimaniyah and more.
Airlines flying nonstop from IST to IKA
- IRIran AirNot in an alliance
- B9Iran AirtourNot in an alliance
- W5Mahan AirNot in an alliance
- QBQeshm AirNot in an alliance
- ISSepehran AirlinesNot in an alliance
- Turkish AirlinesStar Alliance · bookable with 11 programsWho books it
Book IST to IKA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Turkish Airlines
- Air New Zealand AirpointsBooks Turkish Airlines
- ANA Mileage ClubBooks Turkish Airlines
- Avianca LifeMilesBooks Turkish Airlines
- EVA Air Infinity MileageLandsBooks Turkish Airlines
- Lufthansa Miles & MoreBooks Turkish Airlines
- Singapore Airlines KrisFlyerBooks Turkish Airlines
- TAP Miles&GoBooks Turkish Airlines
- Thai Royal Orchid PlusBooks Turkish Airlines
- Turkish Airlines Miles&SmilesBooks Turkish Airlines
- United MileagePlusBooks Turkish Airlines
IST to IKA with one stop
14 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Ankara (ESB)Turkish Airlines, then Mahan AirW5
- Via Erbil (EBL)Turkish Airlines, then Mahan AirW5
- Via Sulaimaniyah (ISU)Turkish Airlines, then Mahan AirW5
- Via Yerevan (EVN)Turkish Airlines, then Iran AirtourB9
- Via Batumi (BUS)Turkish Airlines, then Sepehran AirlinesIS
- Via Tbilisi (TBS)Turkish Airlines, then Sepehran Airlines and Iran AirtourISB9
- Via Baghdad (BGW)Iraqi Airways, Turkish Airlines and 1 more, then Mahan Air, Iran Air and 2 moreIAUDW5IRB9+1
- Via Denizli (DNZ)Turkish Airlines, then Qeshm AirQB
- Via Baku (GYD)Azerbaijan Airlines, Turkish Airlines and 1 more, then Iran AirtourJ2
B9 - Via Al-Najaf (NJF)Iraqi Airways and Turkish Airlines, then Iran Air, Qeshm Air and 1 moreIAIRQBIS
- Via Izmir (ADB)Pegasus and Turkish Airlines, then Iran Airtour
B9 - Via Dalaman (DLM)Turkish Airlines, then
- Via Kuwait (KWI)Kuwait Airways the whole wayJ9
- Via Doha (DOH)Qatar Airways the whole way
IST to IKA: common questions
Which airlines fly nonstop from IST to IKA?
Iran Air, Iran Airtour, Mahan Air, Qeshm Air, Sepehran Airlines and Turkish Airlines (Star Alliance) fly nonstop from Istanbul (IST) to Tehran (IKA).
How far is Istanbul from Tehran by plane?
Istanbul (IST) and Tehran (IKA) are 1,276 miles (2,053 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IST to IKA award flights?
11 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer, TAP Miles&Go and 3 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does IST to IKA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IST to IKA with taxes and fees.
Where can I connect between Istanbul and Tehran?
The most direct connections are through Ankara (ESB), Erbil (EBL), Sulaimaniyah (ISU), Yerevan (EVN) and Batumi (BUS). On 2 of them the same airline flies both flights, for example Kuwait Airways through Kuwait.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.