Cheapest return flights from Keflavik to Oslo in August from $154

Best time to book flights for Keflavik (KEF) to Oslo (OSL) flights at AirHint

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

Return flights

26 Aug - 11 Sep Norwegian direct
26 Aug - 02 Sep Norwegian direct
03 Aug - 06 Aug Scandinavian Airlines direct
31 Aug - 03 Sep Scandinavian Airlines direct
12 Aug - 17 Aug Norwegian direct
26 Aug - 16 Sep Norwegian direct
26 Aug - 07 Sep Norwegian direct
26 Aug - 31 Aug Norwegian direct
19 Aug - 02 Sep Norwegian direct
28 Aug - 11 Sep Norwegian direct
26 Aug - 09 Sep Norwegian direct
26 Aug - 29 Aug Scandinavian Airlines direct
27 Aug - 30 Aug Scandinavian Airlines direct
23 Aug - 26 Aug Scandinavian Airlines direct
24 Aug - 27 Aug Scandinavian Airlines direct
16 Aug - 19 Aug Scandinavian Airlines direct
06 Aug - 07 Aug Scandinavian Airlines
31 Aug - 08 Sep Scandinavian Airlines direct
11 Aug - 14 Aug Scandinavian Airlines
19 Aug - 07 Sep Norwegian 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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