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

Return flights

27 Sep - 04 Oct	AZAL	direct
22 Sep - 25 Sep	AZAL	direct
26 Sep - 29 Sep	AZAL	direct
15 Sep - 22 Sep	AZAL	direct
21 Sep - 27 Sep	Jazeera Airways
08 Sep - 15 Sep	AZAL	direct
08 Sep - 13 Sep	AZAL	direct
08 Sep - 11 Sep	AZAL	direct
08 Sep - 12 Sep	AZAL	direct
09 Sep - 13 Sep	Pegasus Airlines
09 Sep - 12 Sep	Pegasus Airlines

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

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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Cheapest return flights from Tehran to Baku in September from $103

Return flights