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

One-Way flights

10 Dec	Wizz Air
21 Dec	Norwegian	direct
29 Dec	Scandinavian Airlines	direct
30 Dec	Scandinavian Airlines	direct
17 Dec	Scandinavian Airlines	direct
20 Dec	Scandinavian Airlines	direct
27 Dec	Scandinavian Airlines	direct
01 Dec	Scandinavian Airlines	direct
03 Dec	Scandinavian Airlines	direct
15 Dec	Scandinavian Airlines	direct

Also check the deals for return flights from Oslo 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 one-way flights from Oslo to Copenhagen in December from $66

One-Way flights