Cheapest return flights from Istanbul to Helsinki in August from $223

AirHint found the following cheapest return flights from Istanbul (IST) to Helsinki (HEL) in August 2026 (see full year).

Return flights

13 Aug - 16 Aug airBaltic
23 Aug - 30 Aug airBaltic
10 Aug - 16 Aug airBaltic
22 Aug - 25 Aug Pegasus Airlines
29 Aug - 30 Aug Pegasus Airlines direct
22 Aug - 25 Aug Pegasus Airlines direct
13 Aug - 16 Aug Pegasus Airlines direct
23 Aug - 30 Aug Pegasus Airlines direct
01 Aug - 15 Aug Lufthansa
10 Aug - 16 Aug Pegasus Airlines direct

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

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