Cheap flights from Istanbul to Tehran
Cheapest current fares: $105 in August 2026, 2,053 km direct flight in ~2h 25m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Istanbul (IST) to Tehran (IKA). Refreshed daily.
Istanbul (IST) → Tehran (IKA)
- August 2026 $105
- November 2026 $114
- January 2027 $124
- September 2026 $125
- October 2026 $127
- December 2026 $135
Frequently asked questions
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What is the cheapest month to fly from Istanbul to Tehran?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Istanbul (IST) to Tehran (IKA), with fares starting from $105.
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What is the lowest current fare from IST to IKA?
The lowest currently-listed fare from Istanbul (IST) to Tehran (IKA) is $105 on 2026-08-19.
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How long is the flight from Istanbul to Tehran?
Direct flights from IST to IKA 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.