Pegasus Airlines Flights from Tehran to Istanbul

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

A flight from Tehran (THR) to Istanbul (IST) takes an average of 3 hours 30 minutes.

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Tehran to Istanbul 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.

On average, 2 direct flights operate each week between Tehran and Istanbul. See below the schedules of the main airlines serving this route:
AJet: S/M/T/-/-/F/S – VF188 (departure at 09:01) Turkish Airlines: -/M/T/W/T/-/- – TK871 (departure at 09:18)

The cheapest month to book a flight from Tehran to Istanbul is usually October, when demand is lower.

After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Tehran to Istanbul on September 27, 2026 with Pegasus Airlines, with prices starting at £99.

Flights to Istanbul can arrive at: Ataturk Airport (ISL), Istanbul Airport (IST) and Sabiha Gökçen International Airport (SAW). The most common route connects Imam Khomeini International Airport and Sabiha Gökçen International Airport (IKA–SAW).

The time difference between Istanbul and Tehran is 0m.

Tickets can only be changed or cancelled 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.