Cheapest return KEF–OSL flights, December

AirHint found the following cheapest return flights from Keflavik (KEF) to Oslo (OSL) in December 2026 (see full year).

Return flights

07 Dec - 10 Dec Icelandair direct
15 Dec - 18 Dec Icelandair direct
03 Dec - 06 Dec Icelandair direct
01 Dec - 04 Dec Icelandair direct
04 Dec - 07 Dec Icelandair direct
05 Dec - 08 Dec Icelandair direct
06 Dec - 09 Dec Icelandair direct
13 Dec - 16 Dec Icelandair direct
14 Dec - 17 Dec Icelandair direct
10 Dec - 13 Dec Icelandair direct
30 Dec - 02 Jan Icelandair direct
29 Dec - 01 Jan Icelandair direct
31 Dec - 03 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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