Cheapest return flights from Keflavik to Oslo in December from $223

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

Return flights

06 Dec - 07 Dec Wizz Air
09 Dec - 12 Dec Wizz Air
29 Dec - 11 Jan Scandinavian Airlines direct
06 Dec - 07 Dec Icelandair direct
11 Dec - 14 Dec Wizz Air
05 Dec - 08 Dec Wizz Air Malta
01 Dec - 02 Dec Jet2
29 Dec - 02 Jan Scandinavian Airlines direct
10 Dec - 13 Dec easyJet
29 Dec - 04 Jan Scandinavian Airlines direct
29 Dec - 03 Jan Scandinavian Airlines direct
29 Dec - 01 Jan Scandinavian Airlines direct
23 Dec - 02 Jan Scandinavian Airlines direct
19 Dec - 02 Jan Scandinavian Airlines direct
30 Dec - 02 Jan Scandinavian Airlines direct
21 Dec - 02 Jan Scandinavian Airlines direct
23 Dec - 03 Jan Scandinavian Airlines direct
14 Dec - 17 Dec Scandinavian Airlines direct
08 Dec - 11 Dec Scandinavian Airlines direct
15 Dec - 18 Dec Scandinavian Airlines direct

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

Powered by

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.

Book a cheap hotel in Oslo

Cheap car rent in Oslo

Feel free to contact us with any feedback or request another flight research.