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

Return flights

15 Dec - 28 Dec	Ryanair
10 Dec - 15 Jan	easyJet
15 Dec - 30 Dec	Ryanair
10 Dec - 13 Jan	easyJet
10 Dec - 13 Dec	easyJet
14 Dec - 18 Dec	Ryanair
10 Dec - 13 Jan	Lufthansa	direct
06 Dec - 16 Dec	Ryanair
10 Dec - 18 Dec	Ryanair
01 Dec - 07 Dec	Ryanair
17 Dec - 28 Dec	Condor
10 Dec - 17 Dec	easyJet
11 Dec - 18 Dec	easyJet
31 Dec - 07 Jan	Ryanair
22 Dec - 15 Jan	Scandinavian Airlines
10 Dec - 15 Jan	Lufthansa	direct
30 Dec - 05 Jan	Wizz Air
26 Dec - 08 Jan	Ryanair
15 Dec - 05 Jan	Scandinavian Airlines
26 Dec - 10 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 170€

Return flights