Cheapest return flights from Oslo to Keflavik in August from $148

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

Return flights

30 Aug - 03 Sep Norwegian direct
16 Aug - 25 Aug Norwegian direct
18 Aug - 25 Aug Norwegian direct
16 Aug - 03 Sep Norwegian direct
18 Aug - 03 Sep Norwegian direct
16 Aug - 18 Aug Norwegian direct
20 Aug - 25 Aug Norwegian direct
20 Aug - 03 Sep Norwegian direct
09 Aug - 25 Aug Norwegian direct
02 Aug - 18 Aug Norwegian direct
09 Aug - 18 Aug Norwegian direct
04 Aug - 18 Aug Norwegian direct
16 Aug - 21 Aug Norwegian
11 Aug - 25 Aug Norwegian direct
30 Aug - 04 Sep Norwegian direct
29 Aug - 01 Sep Icelandair direct
30 Aug - 02 Sep Icelandair direct
31 Aug - 03 Sep Icelandair direct

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

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