Cheapest return flights from Tehran to Istanbul in September from $157

AirHint found the following cheapest return flights from Tehran (IKA) to Istanbul (IST) in September 2025 (see full year).

Return flights

18 Sep - 25 Sep Pegasus Airlines direct
20 Sep - 29 Sep Pegasus Airlines direct
22 Sep - 30 Sep Pegasus Airlines direct
15 Sep - 18 Sep AZAL
19 Sep - 21 Sep Pegasus Airlines direct
19 Sep - 23 Sep Pegasus Airlines direct
30 Sep - 07 Oct Pegasus Airlines direct
24 Sep - 30 Sep Pegasus Airlines direct
17 Sep - 21 Sep Pegasus Airlines direct
18 Sep - 22 Sep Pegasus Airlines direct
25 Sep - 30 Sep Pegasus Airlines direct
30 Sep - 06 Oct Pegasus Airlines direct
24 Sep - 08 Oct Pegasus Airlines direct
27 Sep - 01 Oct Pegasus Airlines direct
29 Sep - 09 Oct AZAL
27 Sep - 04 Oct Pegasus Airlines direct
23 Sep - 02 Oct Pegasus Airlines direct
24 Sep - 03 Oct Pegasus Airlines direct
25 Sep - 05 Oct Pegasus Airlines direct
29 Sep - 09 Oct Pegasus Airlines direct

Also check the deals for one-way flights from Tehran to Istanbul in September.

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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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