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

Return flights

06 May - 12 May	easyJet
05 May - 13 May	easyJet
04 May - 12 May	easyJet
19 May - 23 Jun	easyJet
20 May - 23 Jun	easyJet
19 May - 26 May	Eurowings
08 May - 19 May	Scandinavian Airlines
18 May - 24 May	easyJet
25 May - 02 Jun	Scandinavian Airlines
13 May - 19 May	easyJet
23 May - 30 May	easyJet
02 May - 10 May	easyJet
26 May - 05 Jun	Eurowings
11 May - 17 May	Scandinavian Airlines
24 May - 01 Jun	LOT
24 May - 01 Jun	Eurowings	direct
31 May - 12 Jun	LOT
31 May - 12 Jun	Eurowings	direct

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

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 May from $194

Return flights