Cheapest return flights from Oslo to Keflavik in September from $153

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

Return flights

06 Sep - 08 Oct Norwegian direct
08 Sep - 08 Oct Norwegian direct
13 Sep - 29 Sep Norwegian direct
04 Sep - 13 Oct Scandinavian Airlines direct
06 Sep - 06 Oct Norwegian direct
13 Sep - 15 Sep Norwegian direct
13 Sep - 22 Sep Norwegian direct
06 Sep - 15 Sep Norwegian direct
06 Sep - 08 Sep Norwegian direct
06 Sep - 22 Sep Norwegian direct
06 Sep - 07 Oct Norwegian direct
04 Sep - 08 Oct Scandinavian Airlines direct
11 Sep - 08 Oct Scandinavian Airlines direct
18 Sep - 08 Oct Scandinavian Airlines direct
13 Sep - 01 Oct Norwegian direct
29 Sep - 13 Oct Norwegian direct
13 Sep - 17 Sep Norwegian direct
24 Sep - 29 Sep Norwegian direct
06 Sep - 10 Sep Norwegian direct
06 Sep - 17 Sep Norwegian direct

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

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