Cheapest return flights from Keflavik to Oslo in September from 126€

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

Return flights

03 Sep - 08 Sep Norwegian direct
22 Sep - 01 Oct Norwegian direct
22 Sep - 06 Oct Norwegian direct
27 Sep - 18 Oct Norwegian direct
27 Sep - 01 Oct Norwegian direct
22 Sep - 24 Sep Norwegian direct
24 Sep - 01 Oct Norwegian direct
24 Sep - 06 Oct Norwegian direct
03 Sep - 24 Sep Norwegian direct
03 Sep - 17 Sep Norwegian direct
22 Sep - 29 Sep Norwegian direct
30 Sep - 04 Oct Scandinavian Airlines direct
27 Sep - 29 Sep Norwegian direct
24 Sep - 29 Sep Norwegian direct
15 Sep - 18 Sep Scandinavian Airlines
01 Sep - 04 Sep Scandinavian Airlines
08 Sep - 11 Sep Scandinavian Airlines direct

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

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