Cheapest return flights from Keflavik to Oslo in August from $122

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

Return flights

27 Aug - 08 Sep Norwegian direct
25 Aug - 08 Sep Norwegian direct
27 Aug - 01 Sep Norwegian direct
25 Aug - 01 Sep Norwegian direct
27 Aug - 10 Sep Norwegian direct
25 Aug - 10 Sep Norwegian direct
06 Aug - 25 Aug Norwegian direct
17 Aug - 20 Aug Scandinavian Airlines direct
06 Aug - 23 Aug Norwegian direct
06 Aug - 13 Aug Norwegian direct
06 Aug - 09 Aug Norwegian direct
06 Aug - 11 Aug Norwegian direct
04 Aug - 07 Aug Scandinavian Airlines direct
11 Aug - 14 Aug Scandinavian Airlines direct
13 Aug - 16 Aug Scandinavian Airlines direct
14 Aug - 17 Aug Scandinavian Airlines direct

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