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

Return flights

30 Dec - 07 Jan	airBaltic
31 Dec - 02 Jan	airBaltic
30 Dec - 01 Jan	airBaltic
22 Dec - 05 Jan	Norwegian Air Sweden AOC
24 Dec - 31 Dec	airBaltic
30 Dec - 04 Jan	airBaltic
24 Dec - 06 Jan	airBaltic
26 Dec - 04 Jan	Finnair
30 Dec - 06 Jan	Finnair
22 Dec - 29 Dec	Norwegian Air Sweden AOC
25 Dec - 31 Dec	airBaltic
19 Dec - 01 Jan	Scandinavian Airlines
20 Dec - 01 Jan	Scandinavian Airlines
23 Dec - 31 Dec	airBaltic
24 Dec - 26 Dec	airBaltic
27 Dec - 31 Dec	Finnair
26 Dec - 31 Dec	Finnair
29 Dec - 31 Dec	airBaltic
28 Dec - 31 Dec	Finnair
20 Dec - 27 Dec	Scandinavian Airlines	direct

Also check the deals for one-way flights from Helsinki to Copenhagen 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 Copenhagen in December from 160€

Return flights