Cheapest return flights from Duesseldorf to Keflavik in September from $238

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

02 Sep - 23 Sep Scandinavian Airlines
20 Sep - 27 Sep Scandinavian Airlines
09 Sep - 18 Sep Scandinavian Airlines
05 Sep - 12 Sep Scandinavian Airlines
12 Sep - 19 Sep Scandinavian Airlines
16 Sep - 23 Sep Eurowings
16 Sep - 23 Sep Fly Play direct
19 Sep - 26 Sep Scandinavian Airlines
09 Sep - 18 Sep Fly Play direct
15 Sep - 22 Sep Norwegian

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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