Cheapest return flights from Keflavik to Oslo in December from 153€

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

Return flights

04 Dec - 07 Dec Scandinavian Airlines direct
11 Dec - 14 Dec Scandinavian Airlines direct
08 Dec - 11 Dec Scandinavian Airlines direct
09 Dec - 12 Dec Scandinavian Airlines
30 Dec - 02 Jan Scandinavian Airlines
07 Dec - 10 Dec Icelandair direct
06 Dec - 09 Dec Icelandair direct
02 Dec - 05 Dec Icelandair direct
10 Dec - 13 Dec Icelandair direct
09 Dec - 12 Dec Icelandair direct
23 Dec - 26 Dec Scandinavian Airlines
29 Dec - 01 Jan Scandinavian Airlines
29 Dec - 01 Jan Icelandair direct
31 Dec - 03 Jan Icelandair direct
30 Dec - 02 Jan Icelandair direct

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

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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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