FromTo
Departure·1 pax, Economy

Cheapest flights for Istanbul – Tehran (IST – THR)

Aviasales.ge will find you the cheapest airfare for Istanbul – Tehran by comparing the ticket prices to Tehran using 45 agencies, five booking systems, and 728 airlines. Where exactly you buy your tickets for Istanbul – Tehran is up to you.

Istanbul – Tehran is most popular in September and October. During this period the average ticket price is 101.

Direct flight for from Istanbul to Tehran

The easiest way to to get to your destination is a direct flight. Direct flights for from Istanbul to Tehran are offered by:

  • Pegasus Airlines (daily PC518)
  • Mahan Airlines (daily W5115)
  • Turkish Airlines (daily TK874)
  • Qeshm Air (4 days per week, flight QB2212)
  • AJet (4 days per week, flight VF187)
  • Sepehran Airlines (3 days per week, flight IS7341)
  • Iran Air (3 days per week, flight IR718)
  • Iran Airtour (2 days per week, flight B99711)

Tehran is served by 2 airports: Mehrabad International Airport and Imam Khomeini International Airport. Direct flights for Istanbul – Tehran are operated by:
  • Sepehran Airlines, Qeshm Air, Turkish Airlines, Mahan Airlines, Iran Air, Iran Airtour from Istanbul New Airport to Imam Khomeini International Airport
  • AJet, Pegasus Airlines from Sabiha Gokcen International Airport to Imam Khomeini International Airport
Flight with layover for the route from Istanbul to Tehran

An alternative option for Istanbul – Tehran (round-trip) would be a flight with a layover. Prices start at 111.

The lowest prices for flights with layovers are offered by Azerbaijan Airlines with a layover in Baku. Tickets start at 28.

A flight with a layover on the route Istanbul – Tehran will allow you to make your trip more interesting. The layover could be in:

  • Kuwait (flight TK770 Turkish Airlines)
  • Al-Najaf (flight TK796 Turkish Airlines)
  • Ankara (flight VF3008 AJet)

This is a great chance to get to know these cities. Layovers are usually at least six hours.

Please keep in mind that depending on the number of days remaining until your departure, ticket prices for Istanbul – Tehran could increase more than twofold.

Aviasales.ge suggests buying tickets for Istanbul – Tehran in advance in order to choose the conditions for your flight that best suit your preferences and budget.

General information on flight Istanbul – Tehran (IST – THR)
3 ⁠hr
Average flight duration
2,050 km
Distance
30 min
Current time difference
134
Number of flights per week
₾38
Lowest price
₾256
Average ticket price
06:10
Earliest flight out
02:30
Latest flight out

Ticket prices for Istanbul – Tehran by month *

Month One-way Round-trip
September 2025 13.09.2025
01.09 - 08.09.2025
October 2025 13.10.2025
01.10 - 08.10.2025

* Prices found by users over the last 48 hours (they do not represent an offer).

Cheapest flight for from Istanbul to Tehran found by our users over the last 48 hours: ticket with Azerbaijan Airlines with a departure on 13.10.2025 and a price of 37 GEL.
Fastest flight for from Istanbul to Tehran: ticket with Mahan Airlines with the nearest departure on 23.09.2025 and a flight duration of 3hrs. 0min..
Airlines flying from Istanbul to Tehran
Airports serving Istanbul – Tehran

Istanbul airports serving flights to Tehran:

  • Istanbul New Airport (IST)
  • Sabiha Gokcen International Airport (SAW)

Tehran airports accepting flights from Istanbul:

  • Imam Khomeini International Airport (IKA)

Most popular by Aviasales.ge

Flights from Istanbul

Flights to Tehran