Cheapest return flights from Istanbul to Helsinki in May from $160

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

Return flights

09 May - 16 May Pegasus Airlines direct
01 May - 06 May Pegasus Airlines direct
18 May - 19 May Pegasus Airlines direct
10 May - 13 May Pegasus Airlines direct
15 May - 19 May Lufthansa
15 May - 21 May Lufthansa
16 May - 21 May Lufthansa
15 May - 20 May Lufthansa
01 May - 03 May Lufthansa
08 May - 10 May Lufthansa

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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