Cheapest return flights from Oslo to Keflavik in May from $226

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

Return flights

06 May - 13 May Scandinavian Airlines direct

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

Skyscanner

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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