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

Return flights

11 Dec - 15 Dec	Finnair	direct
09 Dec - 16 Dec	Finnair	direct
10 Dec - 16 Dec	Finnair	direct
11 Dec - 16 Dec	Finnair	direct
01 Dec - 07 Dec	Ryanair
01 Dec - 05 Dec	airBaltic
05 Dec - 07 Dec	airBaltic
05 Dec - 07 Dec	Finnair	direct
12 Dec - 10 Jan	Air France
12 Dec - 19 Dec	Finnair	direct
15 Dec - 22 Dec	Ryanair
15 Dec - 02 Jan	Ryanair
28 Dec - 01 Jan	airBaltic
25 Dec - 02 Jan	airBaltic
28 Dec - 04 Jan	airBaltic
29 Dec - 02 Jan	airBaltic
28 Dec - 02 Jan	airBaltic
28 Dec - 05 Jan	airBaltic
30 Dec - 02 Jan	Scandinavian Airlines
12 Dec - 10 Jan	Finnair	direct

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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Cheapest return flights from Frankfurt to Helsinki in December from 171€

Return flights