Cheapest return flights from Keflavik to Oslo in April from $113

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

Return flights

09 Apr - 14 Apr Norwegian direct
09 Apr - 21 Apr Norwegian direct
14 Apr - 21 Apr Norwegian direct
09 Apr - 12 Apr Norwegian direct
01 Apr - 12 Apr Scandinavian Airlines direct
16 Apr - 21 Apr Norwegian direct
02 Apr - 14 Apr Norwegian direct
02 Apr - 21 Apr Norwegian direct
02 Apr - 12 Apr Norwegian direct
17 Apr - 21 Apr Scandinavian Airlines direct
28 Apr - 05 May Norwegian direct
28 Apr - 19 May Norwegian direct
28 Apr - 12 May Norwegian direct
28 Apr - 10 May Norwegian direct
14 Apr - 05 May Norwegian direct
16 Apr - 05 May Norwegian direct
21 Apr - 05 May Norwegian direct
21 Apr - 12 May Norwegian direct
21 Apr - 10 May Norwegian direct
28 Apr - 03 May Norwegian direct

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

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