Direct (nonstop) flights from Tehran to Istanbul
6 airlines fly nonstop from Imam Khomeini (IKA) to Istanbul Airport (IST). It's 1,278 miles (2,057 km), about 3h 35m in the air. Operated by Iran Airtour, Iran Air, AIS Airlines and others.
Iran Airtour
Iran Air
AIS Airlines
Qeshm Air
Turkish Airlines
Mahan Air
Route data last updated: May 28, 2026
Airlines with non-stop flights
TK
Turkish Airlines
Alternative Routes
Other ways to fly from Tehran to Istanbul with one stop · direct emits 216 kg CO₂ per passenger
Looking for the return flight?
IST → IKA: Flights from Istanbul to TehranOther direct flights from Tehran
Direct flights from Istanbul (IST)
Frequently Asked Questions
How long is the direct flight from Tehran to Istanbul?
A nonstop flight from Tehran (IKA) to Istanbul (IST) takes approximately 3 hours and 35 minutes. The distance is 1,278 miles (2,057 km).
Which airlines fly nonstop from Tehran to Istanbul?
6 airlines: Iran Airtour, Iran Air, AIS Airlines, Qeshm Air, Turkish Airlines, Mahan Air.
Is there a nonstop flight from Tehran to Istanbul?
Yes. 6 airlines: Iran Airtour, Iran Air, AIS Airlines, Qeshm Air, Turkish Airlines, Mahan Air.
How far is Tehran from Istanbul?
The flight distance from Tehran to Istanbul is 1,278 miles (2,057 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What type of aircraft flies from Tehran to Istanbul?
At 3h 35m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from Iran to Turkiye?
Depends on your passport. Check with the Turkiye embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Tehran to Istanbul?
Roughly 216 kg CO2 per passenger one-way. That's about the same as driving 1,080 km.
Is the return flight from Istanbul to Tehran also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Tehran to Istanbul?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Imam Khomeini for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.