AirHint found the following cheapest return flights from Helsinki (HEL) to Tehran (IKA) in August 2025 (see full year).

Return flights

24 Aug - 07 Sep	Pegasus Airlines
24 Aug - 08 Sep	Pegasus Airlines
20 Aug - 01 Sep	Pegasus Airlines
25 Aug - 10 Sep	Pegasus Airlines
21 Aug - 29 Aug	Pegasus Airlines
19 Aug - 29 Aug	Pegasus Airlines
01 Aug - 30 Sep	Turkish Airlines
04 Aug - 11 Aug	Turkish Airlines
19 Aug - 01 Sep	Turkish Airlines

Also check the deals for one-way flights from Helsinki to Tehran in August.

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 Helsinki to Tehran in August from $475

Return flights