Cheapest return flights from Keflavik to Oslo in March from $142

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

Return flights

31 Mar - 12 Apr Norwegian direct
31 Mar - 09 Apr Norwegian direct
31 Mar - 05 Apr Norwegian direct
31 Mar - 16 Apr Norwegian direct
24 Mar - 27 Mar Scandinavian Airlines direct
31 Mar - 03 Apr Scandinavian Airlines direct
19 Mar - 22 Mar Scandinavian Airlines direct
06 Mar - 17 Mar Wizz Air Malta
02 Mar - 05 Mar Scandinavian Airlines
23 Mar - 26 Mar Scandinavian Airlines direct
30 Mar - 02 Apr Scandinavian Airlines direct
05 Mar - 08 Mar Scandinavian Airlines direct
12 Mar - 15 Mar Scandinavian Airlines direct
16 Mar - 19 Mar Scandinavian Airlines direct
26 Mar - 29 Mar Scandinavian Airlines direct
27 Mar - 30 Mar Scandinavian Airlines
29 Mar - 01 Apr Scandinavian Airlines direct

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

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