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

Return flights

04 Dec - 08 Dec	Scandinavian Airlines
11 Dec - 16 Dec	Scandinavian Airlines
04 Dec - 09 Dec	Scandinavian Airlines
13 Dec - 15 Dec	Scandinavian Airlines
11 Dec - 15 Dec	Ryanair
05 Dec - 10 Dec	KLM
05 Dec - 08 Dec	KLM
03 Dec - 06 Dec	KLM
11 Dec - 14 Dec	Scandinavian Airlines
01 Dec - 07 Dec	Eurowings
31 Dec - 06 Jan	Finnair	direct
23 Dec - 06 Jan	Finnair	direct
30 Dec - 06 Jan	Ryanair
20 Dec - 04 Jan	Scandinavian Airlines
29 Dec - 06 Jan	Ryanair
23 Dec - 03 Jan	Finnair
31 Dec - 01 Jan	Finnair
29 Dec - 06 Jan	Finnair	direct
19 Dec - 04 Jan	Eurowings
30 Dec - 03 Jan	Finnair

Also check the deals for one-way flights from Prague 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 Prague to Helsinki in December from 152€

Return flights