Cheapest one-way flights from Istanbul to Helsinki in May from $176

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

One-Way flights

22 May airBaltic
24 May airBaltic
12 May airBaltic
27 May airBaltic
17 May airBaltic
12 May Turkish Airlines direct
27 May Turkish Airlines direct
17 May Turkish Airlines direct
24 May Turkish Airlines direct
23 May Turkish Airlines direct

Also check the deals for return 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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