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

Return flights

05 Dec - 12 Dec	Eurowings
05 Dec - 08 Dec	airBaltic
02 Dec - 04 Dec	airBaltic
01 Dec - 04 Dec	airBaltic
01 Dec - 03 Dec	airBaltic
05 Dec - 07 Dec	airBaltic
01 Dec - 02 Dec	airBaltic
12 Dec - 15 Dec	airBaltic
03 Dec - 08 Dec	Scandinavian Airlines
08 Dec - 11 Dec	airBaltic
19 Dec - 04 Jan	airBaltic
26 Dec - 03 Jan	airBaltic
25 Dec - 01 Jan	Finnair	direct
30 Dec - 01 Jan	Finnair	direct
26 Dec - 03 Jan	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 113€

Return flights