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Cheap Flights from Istanbul (IST) to Tehran (THRA)

Compare Istanbul to Tehran flight deals

Find the cheapest month or even day of the year to fly to Tehran

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Flight deals from Istanbul to Tehran

Looking for a cheap last-minute deal or the best return flight from Istanbul to Tehran? Find the lowest prices on one-way and return tickets right here.
Tehran.$130 per passenger.Departing Wed, 9 Jul, returning Sat, 12 Jul.Return flight with Azerbaijan Airlines.Outbound indirect flight with Azerbaijan Airlines, departs from Istanbul on Wed, 9 Jul, arriving in Imam Khomeini International.Inbound indirect flight with Azerbaijan Airlines, departs from Imam Khomeini International on Sat, 12 Jul, arriving in Istanbul.Price includes taxes and charges.From $130, select.
Tehran.$510 per passenger.Departing Fri, 18 Jul, returning Sun, 3 Aug.Return flight with Azerbaijan Airlines.Outbound indirect flight with Azerbaijan Airlines, departs from Istanbul on Fri, 18 Jul, arriving in Imam Khomeini International.Inbound indirect flight with Azerbaijan Airlines, departs from Imam Khomeini International on Sun, 3 Aug, arriving in Istanbul.Price includes taxes and charges.From $510, select.
Tehran.$620 per passenger.Departing Sat, 26 Jul, returning Sat, 25 Oct.Return flight with Azerbaijan Airlines.Outbound indirect flight with Azerbaijan Airlines, departs from Istanbul on Sat, 26 Jul, arriving in Imam Khomeini International.Inbound indirect flight with Azerbaijan Airlines, departs from Imam Khomeini International on Sat, 25 Oct, arriving in Istanbul.Price includes taxes and charges.From $620, select.
Tehran.$738 per passenger.Departing Thu, 22 Jan, returning Tue, 14 Apr.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Istanbul on Thu, 22 Jan, arriving in Imam Khomeini International.Inbound indirect flight with Turkish Airlines, departs from Imam Khomeini International on Tue, 14 Apr, arriving in Istanbul.Price includes taxes and charges.From $738, select.
Tehran.$772 per passenger.Departing Mon, 4 Aug, returning Mon, 11 Aug.Return flight with Turkish Airlines and Pegasus Airlines.Outbound indirect flight with Turkish Airlines, departs from Istanbul on Mon, 4 Aug, arriving in Imam Khomeini International.Inbound indirect flight with Pegasus Airlines, departs from Imam Khomeini International on Mon, 11 Aug, arriving in Istanbul.Price includes taxes and charges.From $772, select.
Tehran.$773 per passenger.Departing Thu, 22 Jan, returning Tue, 14 Apr.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Istanbul on Thu, 22 Jan, arriving in Imam Khomeini International.Inbound direct flight with Turkish Airlines departs from Imam Khomeini International on Tue, 14 Apr, arriving in Istanbul.Price includes taxes and charges.From $773, select.
Tehran.$773 per passenger.Departing Mon, 3 Nov, returning Wed, 19 Nov.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Istanbul on Mon, 3 Nov, arriving in Imam Khomeini International.Inbound direct flight with Turkish Airlines departs from Imam Khomeini International on Wed, 19 Nov, arriving in Istanbul.Price includes taxes and charges.From $773, select.
Tehran.$775 per passenger.Departing Sat, 14 Mar, returning Fri, 10 Apr.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Istanbul on Sat, 14 Mar, arriving in Imam Khomeini International.Inbound direct flight with Turkish Airlines departs from Imam Khomeini International on Fri, 10 Apr, arriving in Istanbul.Price includes taxes and charges.From $775, select.

Find the cheapest month to fly from Istanbul to Tehran

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Istanbul to Tehran flights are currently cheapest in July.
Jun
from $794
Jul
from $130
Aug
from $772
Sep
from $802
Oct
from $821
Nov
from $773
Dec
from $826
Jan
from $848
Feb
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Mar
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Apr
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May
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Direct flights from Istanbul to Tehran

Alternative Istanbul to Tehran routes

Looking for the cheapest, fastest or easiest route from Istanbul to Tehran? You could fly into the following airports instead.

Istanbul to Tehran: Flight information

The things to know before you go.
Cheapest flight found$130
Cheapest month to flyJuly
Average flight time3 hrs, 9 mins
Most popular airlineTurkish Airlines
Average flights per week37

Finding cheap flights from Istanbul to Tehran: Frequently asked questions

There are 2 airports in Tehran: Mehrabad International and Imam Khomeini International.
The best price we found for a return flight from Istanbul to Tehran is $130. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 9 minutes is the average flight time from Istanbul to Tehran.
Turkish Airlines, Mahan Air and Iran Aseman Airlines fly direct from Istanbul to Tehran.
As of June 2025, there are 37 flights per week flying from Istanbul to Tehran.
The cheapest month to fly from Istanbul to Tehran is usually June 2025.
If you're flying from Istanbul Airport, the cheapest airport near Tehran is Imam Khomeini International – which is 36.4 km away from the centre of Tehran. We've found flights into this airport from $130.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Istanbul Airport to Tehran on Wednesday, 9 July 2025.
Yes – the average flight time is 3 hours and 9 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Tehran but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Tehran is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 22°C. July is typically the warmest month in Tehran, when it usually averages around 32°C. You can expect the least rain in July. The coldest month is January, with temperatures averaging -5°C. The rainiest month is November.
Currently, Azerbaijan Airlines and Turkish Airlines offer the cheapest flight tickets to Tehran.

Travelling from Istanbul Ataturk Airport (IST) to Tehran: what you need to know

  • The average duration of a direct flight from Istanbul Ataturk Airport to Tehran is 3 hours 15 minutes.

  • Tehran is 30 minutes ahead of Istanbul, where Istanbul Ataturk Airport is located. Tehran runs on the UTC+3:30 timezone.

  • Istanbul Ataturk Airport (IST) to Imam Khomeini International Airport (IKA) is the most traveled route, with 91 weekly departures to pick from. If you have things to do before leaving, the last flight from IST to IKA is with Iran Air at 23:15. Go for the first departure with Turkish Airlines at 00:55 if you want to get on your way earlier.

  • To avoid rushing for your IST to Tehran flight, leave plenty of time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the general rule.

  • Planning to travel during a peak time like a bank holiday? Expect longer queues at check-in and security. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • You can book a direct Istanbul Ataturk Airport to Tehran ticket. Start your journey at IST and end it at Imam Khomeini International Airport (IKA).

  • A range of airlines operate direct flights from Istanbul Ataturk Airport to Tehran. The most well-known include:

  • We make it easy to book flight tickets from IST to Tehran with a stopover. To see the options, uncheck 'Direct flights only.' Next, select a flight offering a stop long enough to explore the city of your choice. Some popular stopovers include:

    • Dubai Airport (DXB)

    • Vienna International Airport (VIE)

    • Muscat International Airport (MCT)

  • IST is about 32 kilometres from central Istanbul. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 50 minutes or so to get there, depending on the traffic. If you're using public transport, expect the trip time to be around 1 hour 45 minutes.

  • Want a relaxed start to your trip? Stay near IST. Whether you're taking an early flight from Istanbul Ataturk Airport to Tehran or just don't want to be rushed, these hotels are all about convenience:

How to find the cheapest flights from Istanbul Ataturk Airport (IST) to Tehran

  • The best price we've found for a one-way Istanbul Ataturk Airport to Tehran flight is $49. The cheapest price for a return flight is $130. Bear in mind fares may change due to demand at the time of booking.

  • Booking early is often the key to securing a cheap flight from IST to Tehran. Flight prices rise as demand increases, so the nearer your departure date, the more you'll likely pay.

  • The 'Whole month' tool will show you the cheapest tickets from Istanbul Ataturk Airport to Tehran throughout the entire month. It's a good way to snap up a bargain if your plans aren't set in stone.

  • There's no need to check back constantly to see if fares have dropped when you set up a Price Alert. We'll let you know the moment there's an even better deal on cheap flights from IST to Tehran.

  • Find a cheap flight from Istanbul Ataturk Airport to Tehran with the help of our filters. Select your preferred times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Tehran

Imam Khomeini International Airport (IKA)

  • Imam Khomeini International Airport (IKA) to the centre of Tehran takes about 1 hour by car. The centre is roughly 56 kilometres away.

  • Few things beat the convenience of staying close to the terminal if you've just jumped off a late flight from Istanbul Ataturk Airport to Tehran. Remis Hotel and Rexan Hotel are handy accommodation options near IKA.

Best time to go to Tehran

  • Before locking in your flights from Istanbul Ataturk Airport to Tehran, consider which time of year works best for you. Peak season in Tehran offers a bustling atmosphere and plenty of activities, while the low season means you'll get better deals on hotels and smaller crowds.

  • Book an Istanbul Ataturk Airport to Tehran flight ticket with a departure in July if you want to explore the city during its warmest month. You can expect temperatures to range from 23ºC (73ºF) to 38ºC (100ºF).

  • January has average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Search for a cheap ticket from IST to Tehran around that time if you want to travel when it's cooler.

More about Tehran

  • Start your Tehran trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Istanbul Ataturk Airport to Tehran, check out our range of hotels including:

  • All great journeys should include some sightseeing. National Museum of Iran, Golestan Palace and Azadi Tower are must-do's during your Tehran adventure.

Explore more of Iran

  • Tehran has plenty going for it, but there are so many other corners of Iran just waiting to be explored. Around 338 kilometres south of Tehran, a trip to Isfahan will keep you busy. Start with popular sights like Hasht Behesht Palace, Jameh Mosque of Isfahan and Kakh-e Ali Qapu.

  • If there's time to check out another major stop in Iran, head for Qom, roughly 129 kilometres south of Tehran. Ferdosi Park, Astaneh Museum and Gonbad Sabz Garden are among its highlights.

Plan the rest of your trip from Istanbul to Tehran

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.