Cheapest return flights from Istanbul to Helsinki in August from $184

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

Return flights

27 Aug - 06 Sep Pegasus Airlines direct
27 Aug - 30 Aug Pegasus Airlines direct
20 Aug - 24 Aug Pegasus Airlines direct
18 Aug - 24 Aug Pegasus Airlines direct
26 Aug - 02 Sep Pegasus Airlines
26 Aug - 29 Aug Pegasus Airlines
13 Aug - 27 Aug Pegasus Airlines
18 Aug - 29 Aug Pegasus Airlines direct
21 Aug - 28 Aug Pegasus Airlines direct
18 Aug - 25 Aug Pegasus Airlines direct
17 Aug - 24 Aug Pegasus Airlines direct
13 Aug - 27 Aug Pegasus Airlines direct
29 Aug - 01 Sep airBaltic
26 Aug - 02 Sep Turkish Airlines direct

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

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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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