Cheapest return flights from Oslo to Keflavik in April from $121

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

Return flights

26 Apr - 28 Apr Norwegian direct
21 Apr - 28 Apr Norwegian direct
14 Apr - 28 Apr Norwegian direct
12 Apr - 14 Apr Norwegian direct
16 Apr - 28 Apr Norwegian direct
05 Apr - 14 Apr Norwegian direct
23 Apr - 28 Apr Norwegian direct
09 Apr - 28 Apr Norwegian direct
12 Apr - 28 Apr Norwegian direct
14 Apr - 19 Apr Norwegian
26 Apr - 02 May Norwegian
26 Apr - 01 May Norwegian direct
26 Apr - 02 May Scandinavian Airlines direct
25 Apr - 02 May Scandinavian Airlines direct
21 Apr - 07 May Norwegian direct
26 Apr - 07 May Norwegian direct
23 Apr - 07 May Norwegian direct
29 Apr - 02 May Scandinavian Airlines
28 Apr - 01 May Icelandair direct
28 Apr - 01 May Scandinavian Airlines

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

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