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

11 May - 14 May Scandinavian Airlines direct
15 May - 18 May Scandinavian Airlines direct
10 May - 14 May Norwegian direct
12 May - 14 May Norwegian direct
10 May - 21 May Norwegian direct
10 May - 28 May Norwegian direct
05 May - 14 May Norwegian direct
05 May - 21 May Norwegian direct
19 May - 21 May Norwegian direct
19 May - 28 May Norwegian direct
31 May - 18 Jun Norwegian direct
31 May - 03 Jun Scandinavian Airlines
29 May - 01 Jun Scandinavian Airlines
30 May - 02 Jun Scandinavian Airlines
25 May - 08 Jun Scandinavian Airlines
31 May - 16 Jun Norwegian direct
28 May - 16 Jun Norwegian direct
31 May - 11 Jun Norwegian direct
24 May - 11 Jun Norwegian direct
26 May - 11 Jun Norwegian direct

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

Powered by

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.