Find Turkish Airlines(TK) flights from Istanbul to Tehran

At the moment, you can catch a nonstop flight from Istanbul to Tehran with the following airlines, including: Pegasus Airlines AJet Turkish Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

It takes around 3 hours 15 minutes to fly from Istanbul (IST) to Tehran (THR).

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Istanbul to Tehran is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on Trip.com data in the past 4 weeks, there is 66 flight per week flying from Istanbul to Tehran. You can check the weekly schedule for popular airlines on this route below: Pegasus Airlines: S/M/T/W/T/F/S -- PC516 (01:26) AJet: S/M/T/W/T/F/S -- VF185 (01:19) Turkish Airlines: S/M/T/W/T/F/S -- TK870 (03:06)

The cheapest months to fly from Istanbul to Tehran is October, when demand for travel is lower.

After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Istanbul to Tehran on December 12, 2025 with AJet, with prices starting at MYR 208.

You can land at any one of the following hubs in Tehran, with Sabiha Gokcen International Airport to Imam Khomeini International Airport (SAW-IKA) is by far the most common option on this route: Imam Khomeini International Airport (IKA) Mehrabad International Airport (THR).

The time difference between Tehran and Istanbul is 0h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.