AirHint found the following cheapest return flights from Istanbul (IST) to Tehran (IKA) in April 2026 (see full year).
Return flights
| 14 Apr - 19 Apr | AJet | ||
| 16 Apr - 19 Apr | AJet | direct | |
| 14 Apr - 19 Apr | Pegasus Airlines | direct | |
| 03 Apr - 07 Apr | AJet | direct |
Also check the deals for one-way flights from Istanbul to Tehran in April.
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