Cheapest return flights from Istanbul to Helsinki in May from $201

Best time to book flights for Istanbul (IST) to Helsinki (HEL) flights at AirHint

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

Return flights

17 May - 20 May Pegasus Airlines
14 May - 18 May Pegasus Airlines
08 May - 15 May Pegasus Airlines direct
19 May - 26 May Pegasus Airlines
08 May - 11 May Pegasus Airlines
19 May - 22 May Pegasus Airlines
17 May - 19 May Pegasus Airlines
15 May - 22 May airBaltic
16 May - 20 May Pegasus Airlines
08 May - 11 May Pegasus Airlines direct
29 May - 03 Jun Pegasus Airlines
30 May - 03 Jun Pegasus Airlines
30 May - 06 Jun Pegasus Airlines
30 May - 02 Jun Pegasus Airlines
27 May - 26 Jun Pegasus Airlines
27 May - 30 Jun Pegasus Airlines
30 May - 02 Jun Pegasus Airlines direct
27 May - 30 Jun Pegasus Airlines direct
30 May - 03 Jun Turkish Airlines direct
29 May - 03 Jun Turkish Airlines direct

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

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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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