Cheapest return flights from Keflavik to Oslo in December from 149€

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

Return flights

09 Dec - 12 Dec Wizz Air
04 Dec - 07 Dec Scandinavian Airlines direct
08 Dec - 11 Dec Scandinavian Airlines direct
05 Dec - 08 Dec easyJet
11 Dec - 14 Dec Scandinavian Airlines direct
04 Dec - 10 Dec Scandinavian Airlines
18 Dec - 28 Dec Scandinavian Airlines
14 Dec - 17 Dec Scandinavian Airlines direct
30 Dec - 02 Jan Scandinavian Airlines direct
27 Dec - 01 Jan Wizz Air
07 Dec - 10 Dec Icelandair direct
04 Dec - 10 Dec Icelandair direct
29 Dec - 01 Jan Scandinavian Airlines direct
27 Dec - 01 Jan Scandinavian Airlines direct
31 Dec - 03 Jan Icelandair direct

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

Skyscanner

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.