Tehran (IKA) to Istanbul (IST) flights
6 airlines fly nonstop from Tehran (IKA) to Istanbul (IST): 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 12 ways to fly it with one stop, through Ankara, Erbil and Sulaimaniyah and more.
Airlines flying nonstop from IKA to IST
- 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 IKA to IST 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
IKA to IST with one stop
12 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Ankara (ESB)Mahan Air, then Turkish AirlinesW5

- Via Erbil (EBL)Mahan Air, then Turkish AirlinesW5

- Via Sulaimaniyah (ISU)Mahan Air, then Turkish AirlinesW5

- Via Yerevan (EVN)Iran Airtour, then Turkish AirlinesB9

- Via Batumi (BUS)Sepehran Airlines, then Turkish AirlinesIS

- Via Tbilisi (TBS)Sepehran Airlines and Iran Airtour, then Turkish AirlinesISB9

- Via Baghdad (BGW)Iran Air, Mahan Air and 2 more, then Iraqi Airways, Turkish Airlines and 1 moreIRW5B9+1IA
UD - Via Baku (GYD)Iran Airtour, then Azerbaijan Airlines, Turkish Airlines and 1 moreB9J2


- Via Al-Najaf (NJF)Iran Air and Sepehran Airlines, then Iraqi Airways and Turkish AirlinesIRISIA

- Via Izmir (ADB)Iran Airtour, then Pegasus and Turkish AirlinesB9


- Via Kuwait (KWI)Kuwait Airways the whole way
J9

- Via Doha (DOH)Qatar Airways the whole way



IKA to IST: common questions
Which airlines fly nonstop from IKA to IST?
Iran Air, Iran Airtour, Mahan Air, Qeshm Air, Sepehran Airlines and Turkish Airlines (Star Alliance) fly nonstop from Tehran (IKA) to Istanbul (IST).
How far is Tehran from Istanbul by plane?
Tehran (IKA) and Istanbul (IST) 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 IKA to IST 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 IKA to IST cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IKA to IST with taxes and fees.
Where can I connect between Tehran and Istanbul?
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.