Cheapest return DUS–KEF flights, September

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

Return flights

03 Sep - 10 Sep Scandinavian Airlines
09 Sep - 22 Sep easyJet
08 Sep - 17 Sep Scandinavian Airlines
27 Sep - 30 Sep LOT
28 Sep - 08 Oct Norwegian
12 Sep - 19 Sep Scandinavian Airlines
26 Sep - 07 Oct Ryanair
05 Sep - 20 Sep Scandinavian Airlines
02 Sep - 14 Sep KLM

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

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