Cheapest return flights from Istanbul to Helsinki in May from $188

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

06 May - 11 May Pegasus Airlines direct
20 May - 23 May Pegasus Airlines
20 May - 23 May Pegasus Airlines direct
09 May - 09 May Pegasus Airlines
21 May - 24 May Pegasus Airlines direct
09 May - 09 May Pegasus 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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