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

Return flights

13 May - 17 May	airBaltic
21 May - 25 May	airBaltic
07 May - 10 May	airBaltic
08 May - 17 May	airBaltic
08 May - 10 May	airBaltic
07 May - 11 May	airBaltic
27 May - 30 May	airBaltic
24 May - 27 May	airBaltic
26 May - 30 May	airBaltic
08 May - 11 May	airBaltic
21 May - 13 Jun	airBaltic
28 May - 04 Jun	airBaltic
27 May - 07 Jun	airBaltic
21 May - 13 Jun	Finnair	direct
28 May - 04 Jun	Finnair	direct
30 May - 06 Jun	Finnair
27 May - 07 Jun	Lufthansa	direct

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

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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Cheapest return flights from Frankfurt to Helsinki in May from 169€

Return flights