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IST to IKA: distance & flight time
Istanbul (Istanbul Airport) → Tehran (Imam Khomeini International Airport)
1,275 mi
2,052 km · 1,108 nm
3h 14m
estimated nonstop flight time
+0.5h
time difference · heading east
See live IST→IKA fares Phone-only fares on this route — call free
Flight time details
1,275 miles nonstop takes roughly 3h 14m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 0.5-hour time gain when reading arrival times on your ticket.
The two airports
- IST — Istanbul Airport · Istanbul, Turkey
- IKA — Imam Khomeini International Airport · Tehran, Iran
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near IST
- ISL · Atatürk International Airport21 mi away
- SAW · Sabiha Gökçen International Airport39 mi away
- TEQ · Tekirdağ Çorlu Airport44 mi away
- BTZ · Bursa Airport73 mi away
Near IKA
- THR · Mehrabad International Airport21 mi away
- PYK · Payam International Airport31 mi away
- GZW · Qazvin Airport84 mi away
- NSH · Noshahr Airport88 mi away
Frequently asked questions
How far is IST from IKA?
The flight distance from Istanbul (IST) to Tehran (IKA) is 1,275 miles (2,052 km, 1,108 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IST to IKA?
A nonstop flight takes about 3h 14m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Istanbul and Tehran?
Tehran is 0.5 hours ahead of Istanbul.
What is the cheapest way to fly from IST to IKA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IST–IKA that never appear on search engines, with no booking fees.