Cheapest return flights from Oslo to Keflavik in May from $120

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

Return flights

05 May - 12 May Norwegian direct
05 May - 14 May Norwegian direct
12 May - 14 May Norwegian direct
27 May - 30 May Scandinavian Airlines direct
06 May - 09 May Scandinavian Airlines direct
05 May - 30 May Scandinavian Airlines direct
29 May - 31 May Scandinavian Airlines direct
30 May - 02 Jun Scandinavian Airlines
09 May - 12 May Scandinavian Airlines direct
05 May - 08 May Scandinavian Airlines direct
12 May - 15 May Scandinavian Airlines direct
29 May - 01 Jun Scandinavian Airlines
31 May - 03 Jun Scandinavian Airlines
30 May - 02 Jun Icelandair direct
29 May - 01 Jun Icelandair direct
31 May - 03 Jun Icelandair direct

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

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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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