Cheap flights from Tehran to Istanbul
Cheapest current fares: $136 in May 2026, 2,053 km direct flight in ~2h 25m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Tehran (IKA) to Istanbul (IST). Refreshed daily.
Tehran (IKA) → Istanbul (IST)
- May 2026 $136
- June 2026 $136
- July 2026 $137
- August 2026 $153
Frequently asked questions
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What is the cheapest month to fly from Tehran to Istanbul?
Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Tehran (IKA) to Istanbul (IST), with fares starting from $136.
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What is the lowest current fare from IKA to IST?
The lowest currently-listed fare from Tehran (IKA) to Istanbul (IST) is $136 on 2026-05-29.
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How long is the flight from Tehran to Istanbul?
Direct flights from IKA to IST cover approximately 2,053 km (1,276 miles), with an estimated flight time of 2h 25m. Operating airlines: B9, IR, IS, QB, TK, W5.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.