Cheapest return flights from Duesseldorf to Keflavik in September from $226

Best time to book flights for Duesseldorf (DUS) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Duesseldorf (DUS) to Keflavik (KEF) in September 2025 (see full year).

Return flights

10 Sep - 23 Sep Scandinavian Airlines
04 Sep - 11 Sep Scandinavian Airlines
04 Sep - 13 Sep Scandinavian Airlines
23 Sep - 02 Oct Scandinavian Airlines
23 Sep - 30 Sep Ryanair
15 Sep - 23 Sep SWISS
01 Sep - 08 Sep Scandinavian Airlines
01 Sep - 11 Sep Scandinavian Airlines
20 Sep - 30 Sep Eurowings
18 Sep - 26 Sep Scandinavian Airlines
23 Sep - 03 Oct Eurowings
14 Sep - 21 Sep Eurowings
24 Sep - 01 Oct Eurowings
22 Sep - 02 Oct Eurowings
28 Sep - 08 Oct Eurowings
29 Sep - 09 Oct easyJet
25 Sep - 01 Oct Eurowings
26 Sep - 06 Oct Eurowings
25 Sep - 05 Oct Eurowings
24 Sep - 04 Oct Eurowings

Also check the deals for one-way flights from Duesseldorf 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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