Cheapest return flights from Oslo to Keflavik in September from 128€

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

Return flights

19 Sep - 25 Sep Scandinavian Airlines direct
19 Sep - 26 Sep Scandinavian Airlines direct
15 Sep - 17 Sep Scandinavian Airlines
26 Sep - 02 Oct Scandinavian Airlines
26 Sep - 05 Oct Scandinavian Airlines
10 Sep - 17 Sep Wizz Air
25 Sep - 09 Oct Scandinavian Airlines
29 Sep - 06 Oct Scandinavian Airlines
26 Sep - 07 Oct Scandinavian Airlines
26 Sep - 29 Sep Scandinavian Airlines
22 Sep - 25 Sep Scandinavian Airlines
30 Sep - 06 Oct Wizz Air
18 Sep - 24 Sep Wizz Air
21 Sep - 23 Sep Scandinavian Airlines
15 Sep - 18 Sep Scandinavian Airlines
21 Sep - 30 Sep Scandinavian Airlines
30 Sep - 02 Oct Ryanair
25 Sep - 02 Oct Wizz Air
29 Sep - 02 Oct Scandinavian Airlines
30 Sep - 07 Oct Ryanair

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

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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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