Cheapest return flights from Duesseldorf to Keflavik in September from $221

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

07 Sep - 23 Sep Ryanair
04 Sep - 08 Sep Scandinavian Airlines
18 Sep - 29 Sep Scandinavian Airlines
04 Sep - 22 Sep Scandinavian Airlines
19 Sep - 21 Sep Scandinavian Airlines
15 Sep - 21 Sep Scandinavian Airlines
11 Sep - 16 Sep Scandinavian Airlines
23 Sep - 30 Sep Ryanair
25 Sep - 29 Sep Scandinavian Airlines
21 Sep - 25 Sep Scandinavian Airlines
21 Sep - 02 Oct Scandinavian Airlines
23 Sep - 01 Oct Lufthansa
20 Sep - 03 Oct LOT
25 Sep - 03 Oct LOT
27 Sep - 01 Oct Scandinavian Airlines
28 Sep - 06 Oct Eurowings direct
25 Sep - 03 Oct Eurowings direct
20 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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