Cheapest return flights from Keflavik to Oslo in August from $175

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

Return flights

25 Aug - 06 Sep Norwegian direct
25 Aug - 15 Sep Norwegian direct
25 Aug - 13 Sep Norwegian direct
25 Aug - 10 Sep Norwegian direct
25 Aug - 01 Sep Norwegian direct
18 Aug - 06 Sep Norwegian direct
18 Aug - 25 Aug Norwegian direct
18 Aug - 01 Sep Norwegian direct
25 Aug - 27 Aug Norwegian direct
18 Aug - 27 Aug Norwegian direct
23 Aug - 06 Sep Norwegian direct
23 Aug - 13 Sep Norwegian direct
04 Aug - 25 Aug Norwegian direct
23 Aug - 10 Sep Norwegian direct
23 Aug - 25 Aug Norwegian direct
04 Aug - 16 Aug Norwegian direct
23 Aug - 27 Aug Norwegian direct
21 Aug - 24 Aug Lufthansa
13 Aug - 25 Aug Norwegian direct
13 Aug - 16 Aug Norwegian direct

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

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