AirHint found the following cheapest return flights from Tehran (IKA) to Istanbul (IST) in January 2026 (see full year).
Return flights
| 01 Jan - 05 Jan | AJet | ||
| 11 Jan - 16 Jan | Pegasus Airlines | direct | |
| 07 Jan - 12 Jan | AJet | direct | |
| 26 Jan - 18 Feb | Air Arabia | ||
| 29 Jan - 05 Feb | Turkish Airlines | direct | |
| 26 Jan - 18 Feb | Turkish Airlines | direct |
Also check the deals for one-way flights from Tehran to Istanbul in January.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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