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

Return flights

31 Dec - 07 Jan	Ryanair
31 Dec - 08 Jan	Ryanair
31 Dec - 02 Jan	Ryanair
31 Dec - 04 Jan	Ryanair
28 Dec - 31 Dec	KLM
29 Dec - 01 Jan	KLM
30 Dec - 06 Jan	airBaltic
28 Dec - 01 Jan	KLM
31 Dec - 03 Jan	Ryanair
27 Dec - 01 Jan	KLM
31 Dec - 04 Jan	Finnair	direct
27 Dec - 31 Dec	KLM
29 Dec - 31 Dec	Finnair
29 Dec - 31 Dec	Finnair	direct
28 Dec - 30 Dec	Scandinavian Airlines
28 Dec - 31 Dec	Finnair	direct
27 Dec - 30 Dec	KLM
28 Dec - 30 Dec	Finnair	direct
27 Dec - 30 Dec	Finnair	direct
27 Dec - 31 Dec	Finnair	direct

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 168€

Return flights