Cheapest return flights from Oslo to Keflavik in August from $150

AirHint found the following cheapest return flights from Oslo (OSL) to Keflavik (KEF) in August 2025 (see full year).

Return flights

26 Aug - 02 Sep Norwegian direct
26 Aug - 09 Sep Norwegian direct
14 Aug - 26 Aug Scandinavian Airlines direct
28 Aug - 02 Sep Norwegian direct
28 Aug - 09 Sep Norwegian direct
28 Aug - 16 Sep Norwegian direct
26 Aug - 04 Sep Norwegian direct
26 Aug - 11 Sep Norwegian direct
17 Aug - 02 Sep Norwegian direct
31 Aug - 02 Sep Norwegian direct
31 Aug - 09 Sep Norwegian direct
24 Aug - 27 Aug Scandinavian Airlines
21 Aug - 26 Aug Scandinavian Airlines
17 Aug - 19 Aug Norwegian direct
17 Aug - 26 Aug Norwegian direct
07 Aug - 10 Aug Scandinavian Airlines
26 Aug - 28 Aug Norwegian direct
26 Aug - 31 Aug Norwegian direct
07 Aug - 11 Aug Scandinavian Airlines
21 Aug - 26 Aug 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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