Cheapest return flights from Oslo to Keflavik in May from 135€

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

Return flights

09 May - 12 May Scandinavian Airlines direct
08 May - 11 May Scandinavian Airlines
11 May - 14 May Scandinavian Airlines direct
07 May - 10 May Scandinavian Airlines direct
08 May - 11 May Icelandair direct
04 May - 07 May 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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