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

One-Way flights

30 Dec	airBaltic
17 Dec	Norwegian Air Sweden AOC
16 Dec	Norwegian Air Sweden AOC
16 Dec	Scandinavian Airlines	direct
26 Dec	airBaltic
23 Dec	airBaltic
22 Dec	airBaltic
13 Dec	Scandinavian Airlines	direct
01 Dec	Scandinavian Airlines	direct
02 Dec	Scandinavian Airlines	direct

Also check the deals for return 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.

Book a cheap hotel in Copenhagen

Cheap car rent in Copenhagen

Cheapest one-way flights from Helsinki to Copenhagen in December from $73

One-Way flights