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

Return flights

20 May - 27 May	easyJet
20 May - 26 May	easyJet
25 May - 31 May	Eurowings
11 May - 21 May	Scandinavian Airlines
16 May - 23 May	Eurowings
07 May - 18 May	Scandinavian Airlines
02 May - 13 May	easyJet
04 May - 11 May	Scandinavian Airlines
02 May - 16 May	Eurowings
25 May - 09 Jun	easyJet
10 May - 18 May	Scandinavian Airlines
23 May - 02 Jun	easyJet
21 May - 08 Jun	LOT
25 May - 11 Jun	SWISS
18 May - 01 Jun	Eurowings
28 May - 18 Jun	Scandinavian Airlines
30 May - 08 Jun	LOT
31 May - 10 Jun	Austrian Airlines
25 May - 05 Jun	SWISS
26 May - 07 Jun	easyJet

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 192€

Return flights