AirHint found the following cheapest return flights from Frankfurt (FRA) to Helsinki (HEL) in December 2025 (see full year).

Return flights

08 Dec - 14 Dec	airBaltic
04 Dec - 11 Dec	airBaltic
17 Dec - 31 Dec	airBaltic
08 Dec - 12 Dec	airBaltic
04 Dec - 08 Dec	airBaltic
05 Dec - 08 Dec	airBaltic
04 Dec - 07 Dec	airBaltic
03 Dec - 08 Dec	airBaltic
10 Dec - 14 Dec	airBaltic
12 Dec - 14 Dec	airBaltic
18 Dec - 04 Jan	airBaltic
31 Dec - 04 Jan	airBaltic
17 Dec - 02 Jan	airBaltic
24 Dec - 02 Jan	airBaltic
17 Dec - 04 Jan	airBaltic
26 Dec - 05 Jan	airBaltic
24 Dec - 05 Jan	airBaltic
26 Dec - 02 Jan	airBaltic
30 Dec - 05 Jan	Scandinavian Airlines
27 Dec - 06 Jan	Ryanair

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

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 December from 101€

Return flights