Cheapest return flights from Oslo to Keflavik in August from 129€

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

Return flights

29 Aug - 03 Sep Scandinavian Airlines direct
30 Aug - 01 Sep Scandinavian Airlines direct
29 Aug - 01 Sep Scandinavian Airlines direct
27 Aug - 01 Sep Scandinavian Airlines direct
29 Aug - 02 Sep Scandinavian Airlines direct
30 Aug - 06 Sep Scandinavian Airlines
24 Aug - 27 Aug Scandinavian Airlines
28 Aug - 09 Sep Norwegian direct
28 Aug - 16 Sep Norwegian direct
28 Aug - 02 Sep Norwegian direct
26 Aug - 09 Sep Norwegian direct
24 Aug - 28 Aug Scandinavian Airlines direct
26 Aug - 28 Aug Norwegian
27 Aug - 30 Aug Scandinavian Airlines
24 Aug - 26 Aug Norwegian
25 Aug - 27 Aug Ryanair
28 Aug - 31 Aug Norwegian direct
25 Aug - 31 Aug Lufthansa
20 Aug - 21 Aug Norwegian
25 Aug - 29 Aug Lufthansa

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

Skyscanner

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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