Cheapest return flights from Istanbul to Helsinki in August from 140€

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

Return flights

25 Aug - 01 Sep Pegasus Airlines
27 Aug - 31 Aug Pegasus Airlines
30 Aug - 05 Sep Pegasus Airlines direct
26 Aug - 28 Aug Pegasus Airlines direct
31 Aug - 11 Sep Pegasus Airlines direct
25 Aug - 31 Aug Pegasus Airlines
21 Aug - 26 Aug Pegasus Airlines direct
23 Aug - 27 Aug Pegasus Airlines direct
26 Aug - 29 Aug Pegasus Airlines direct
22 Aug - 29 Aug Pegasus Airlines
31 Aug - 06 Sep Pegasus Airlines direct
26 Aug - 30 Aug Pegasus Airlines direct
18 Aug - 23 Aug Pegasus Airlines
27 Aug - 31 Aug Pegasus Airlines direct
30 Aug - 01 Sep Pegasus Airlines direct
25 Aug - 01 Sep Pegasus Airlines direct

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

Skyscanner

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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