Cheapest return flights from Oslo to Keflavik in September from 146€

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

Return flights

26 Sep - 29 Sep Scandinavian Airlines direct
30 Sep - 09 Oct Wizz Air
24 Sep - 30 Sep Wizz Air
25 Sep - 01 Oct Wizz Air
15 Sep - 29 Sep Scandinavian Airlines direct
18 Sep - 25 Sep Ryanair
26 Sep - 01 Oct Scandinavian Airlines
23 Sep - 29 Sep Wizz Air
26 Sep - 28 Sep Scandinavian Airlines
19 Sep - 26 Sep Scandinavian Airlines direct
26 Sep - 02 Oct Scandinavian Airlines
30 Sep - 06 Oct Wizz Air
21 Sep - 25 Sep Wizz Air
15 Sep - 22 Sep Scandinavian Airlines
19 Sep - 22 Sep Scandinavian Airlines
30 Sep - 05 Oct Ryanair
27 Sep - 25 Oct Ryanair
29 Sep - 07 Oct Ryanair
29 Sep - 06 Oct Ryanair
27 Sep - 01 Oct Ryanair

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

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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