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

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

Return flights

23 Aug - 26 Aug Scandinavian Airlines direct
26 Aug - 29 Aug Scandinavian Airlines direct
14 Aug - 17 Aug Scandinavian Airlines direct
21 Aug - 24 Aug Scandinavian Airlines direct
15 Aug - 18 Aug Scandinavian Airlines direct
25 Aug - 27 Aug Norwegian direct
12 Aug - 26 Aug Scandinavian Airlines direct
21 Aug - 25 Aug Scandinavian Airlines direct
23 Aug - 27 Aug Scandinavian Airlines direct
18 Aug - 25 Aug Norwegian direct
25 Aug - 01 Sep Norwegian direct
18 Aug - 01 Sep Norwegian direct
16 Aug - 01 Sep Norwegian direct
29 Aug - 01 Sep Scandinavian Airlines
27 Aug - 01 Sep Norwegian direct
23 Aug - 01 Sep Norwegian direct
20 Aug - 01 Sep Norwegian direct
13 Aug - 01 Sep Norwegian direct
25 Aug - 06 Sep Norwegian direct
18 Aug - 06 Sep Norwegian direct

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

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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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