Cheapest return flights from Keflavik to Oslo in December from $162

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

Return flights

04 Dec - 08 Dec Scandinavian Airlines direct
04 Dec - 07 Dec Scandinavian Airlines direct
05 Dec - 08 Dec easyJet
11 Dec - 14 Dec Scandinavian Airlines direct
08 Dec - 11 Dec Scandinavian Airlines direct
09 Dec - 12 Dec easyJet
14 Dec - 17 Dec Scandinavian Airlines direct
30 Dec - 02 Jan Scandinavian Airlines
02 Dec - 05 Dec Icelandair direct
03 Dec - 06 Dec Icelandair direct
06 Dec - 09 Dec Icelandair direct
29 Dec - 01 Jan Scandinavian Airlines
31 Dec - 03 Jan Icelandair direct
29 Dec - 01 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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