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

Return flights

31 Dec - 07 Jan	airBaltic
11 Dec - 15 Dec	airBaltic
14 Dec - 18 Dec	Scandinavian Airlines
15 Dec - 18 Dec	Norwegian Air Sweden AOC
29 Dec - 06 Jan	airBaltic
08 Dec - 15 Dec	airBaltic
31 Dec - 06 Jan	airBaltic
09 Dec - 17 Dec	Lufthansa
10 Dec - 14 Dec	Lufthansa
13 Dec - 18 Dec	Ryanair
10 Dec - 17 Dec	Lufthansa
12 Dec - 17 Dec	Scandinavian Airlines
16 Dec - 23 Dec	Lufthansa
29 Dec - 02 Jan	airBaltic
29 Dec - 05 Jan	airBaltic
31 Dec - 05 Jan	airBaltic
31 Dec - 04 Jan	Finnair
29 Dec - 04 Jan	airBaltic
31 Dec - 07 Jan	Finnair	direct
31 Dec - 06 Jan	Finnair	direct

Also check the deals for one-way flights from Helsinki to Prague 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 Helsinki to Prague in December from $186

Return flights