Cheapest return flights from Oslo to Keflavik in December from $165

AirHint found the following cheapest return flights from Oslo (OSL) to Keflavik (KEF) in December 2025 (see full year).

Return flights

01 Dec - 07 Dec Wizz Air
04 Dec - 09 Dec Ryanair
04 Dec - 08 Dec KLM
04 Dec - 07 Dec KLM
07 Dec - 10 Dec Icelandair direct
08 Dec - 11 Dec Wizz Air
07 Dec - 12 Dec KLM
15 Dec - 22 Dec Wizz Air
04 Dec - 07 Dec Scandinavian Airlines direct
12 Dec - 14 Dec Wizz Air
29 Dec - 08 Jan Scandinavian Airlines
29 Dec - 05 Jan Scandinavian Airlines
30 Dec - 05 Jan Scandinavian Airlines
29 Dec - 01 Jan Scandinavian Airlines
30 Dec - 02 Jan Scandinavian Airlines
29 Dec - 02 Jan Scandinavian Airlines
26 Dec - 02 Jan Scandinavian Airlines
29 Dec - 01 Jan Icelandair direct
29 Dec - 05 Jan Icelandair direct

Also check the deals for one-way flights from Oslo to Keflavik in December.

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