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

One-Way flights

18 Dec	Scandinavian Airlines	direct
23 Dec	Scandinavian Airlines	direct
19 Dec	Scandinavian Airlines	direct
29 Dec	Scandinavian Airlines
30 Dec	Scandinavian Airlines
21 Dec	Scandinavian Airlines	direct
08 Dec	Scandinavian Airlines
26 Dec	Scandinavian Airlines	direct
27 Dec	Scandinavian Airlines	direct
07 Dec	Scandinavian Airlines

Also check the deals for return flights from Reykjavik to Oslo 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 Reykjavik to Oslo in December from $84

One-Way flights