Cheapest return flights from Oslo to Keflavik in August from $136

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

Return flights

18 Aug - 27 Aug Norwegian direct
09 Aug - 27 Aug Norwegian direct
20 Aug - 27 Aug Norwegian direct
11 Aug - 27 Aug Norwegian direct
09 Aug - 18 Aug Norwegian direct
11 Aug - 18 Aug Norwegian direct
02 Aug - 18 Aug Norwegian direct
19 Aug - 29 Aug Scandinavian Airlines direct
15 Aug - 25 Aug Scandinavian Airlines direct
12 Aug - 17 Aug Scandinavian Airlines direct

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

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