Cheapest return flights from Oslo to Keflavik in May from $108

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

Return flights

05 May - 07 May Norwegian direct
05 May - 19 May Norwegian direct
10 May - 19 May Norwegian direct
10 May - 26 May Norwegian direct
19 May - 04 Jun Norwegian direct
24 May - 04 Jun Norwegian direct
19 May - 02 Jun Norwegian direct
21 May - 04 Jun Norwegian direct
28 May - 04 Jun Norwegian direct
05 May - 10 May Norwegian direct
24 May - 02 Jun Norwegian direct
12 May - 19 May Norwegian direct
12 May - 26 May Norwegian direct
24 May - 26 May Norwegian direct
24 May - 09 Jun Norwegian direct
08 May - 11 May Scandinavian Airlines direct
21 May - 26 May Norwegian direct
21 May - 09 Jun Norwegian direct
21 May - 02 Jun Norwegian direct
28 May - 09 Jun Norwegian direct

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

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