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

Return flights

23 Oct - 10 Nov	Eurowings
23 Oct - 07 Nov	Eurowings
23 Oct - 27 Oct	Eurowings
23 Oct - 05 Nov	Eurowings
23 Oct - 06 Nov	Eurowings
23 Oct - 26 Oct	Eurowings
09 Oct - 13 Oct	easyJet
23 Oct - 29 Oct	Eurowings
23 Oct - 08 Nov	Eurowings
23 Oct - 30 Oct	Eurowings
09 Oct - 20 Oct	easyJet
23 Oct - 09 Nov	Eurowings
23 Oct - 31 Oct	Eurowings
16 Oct - 20 Oct	easyJet
02 Oct - 13 Oct	easyJet
05 Oct - 13 Oct	Eurowings	direct
29 Oct - 04 Nov	Eurowings

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

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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Cheapest return flights from Duesseldorf to Keflavik in October from 159€

Return flights