Cheapest return CPH–KEF flights, September

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

Return flights

03 Sep - 07 Sep Scandinavian Airlines
15 Sep - 22 Sep Wizz Air
16 Sep - 07 Oct easyJet
24 Sep - 01 Oct Ryanair
11 Sep - 14 Sep Scandinavian Airlines direct
07 Sep - 10 Sep Scandinavian Airlines direct
12 Sep - 15 Sep Scandinavian Airlines direct
05 Sep - 08 Sep Scandinavian Airlines direct
14 Sep - 17 Sep Scandinavian Airlines direct
04 Sep - 07 Sep Scandinavian Airlines direct
25 Sep - 04 Oct Wizz Air
13 Sep - 16 Sep Scandinavian Airlines direct
01 Sep - 14 Sep Scandinavian Airlines
25 Sep - 01 Oct airBaltic
16 Sep - 07 Oct Icelandair direct
28 Sep - 01 Oct Scandinavian Airlines direct
25 Sep - 01 Oct Scandinavian Airlines direct
24 Sep - 01 Oct Icelandair direct
30 Sep - 03 Oct Icelandair direct
29 Sep - 02 Oct Icelandair direct

Also check the deals for one-way flights from Copenhagen 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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