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

Return flights

02 Dec - 05 Dec	airBaltic
10 Dec - 13 Dec	airBaltic
12 Dec - 16 Dec	airBaltic
13 Dec - 17 Dec	Lufthansa
08 Dec - 15 Dec	Lufthansa
09 Dec - 15 Dec	airBaltic
07 Dec - 09 Dec	airBaltic
11 Dec - 15 Dec	airBaltic
08 Dec - 10 Dec	airBaltic
09 Dec - 12 Dec	airBaltic
25 Dec - 04 Jan	airBaltic
16 Dec - 05 Jan	airBaltic
16 Dec - 04 Jan	Lufthansa
30 Dec - 02 Jan	Finnair
30 Dec - 04 Jan	Finnair
30 Dec - 02 Jan	Finnair	direct
26 Dec - 03 Jan	Lufthansa
30 Dec - 04 Jan	Finnair	direct
16 Dec - 04 Jan	Finnair	direct
16 Dec - 05 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 137€

Return flights