Cheapest return flights from Copenhagen to Keflavik in September from $251

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

Return flights

26 Sep - 07 Oct easyJet
17 Sep - 24 Sep Scandinavian Airlines
03 Sep - 10 Sep Scandinavian Airlines
03 Sep - 07 Sep Scandinavian Airlines
25 Sep - 10 Oct Icelandair direct
09 Sep - 16 Sep Scandinavian Airlines direct
06 Sep - 17 Sep Scandinavian Airlines direct
03 Sep - 10 Sep Scandinavian Airlines direct
04 Sep - 07 Sep Scandinavian Airlines direct
03 Sep - 07 Sep Scandinavian Airlines direct
16 Sep - 26 Sep Scandinavian Airlines direct
12 Sep - 19 Sep Scandinavian Airlines
26 Sep - 07 Oct Icelandair direct

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

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