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

Return flights

15 Mar - 26 Mar	easyJet
08 Mar - 19 Mar	easyJet
21 Mar - 31 Mar	Eurowings
05 Mar - 12 Mar	easyJet
24 Mar - 31 Mar	Scandinavian Airlines
11 Mar - 18 Mar	Eurowings
14 Mar - 04 Apr	Ryanair
21 Mar - 26 Mar	Eurowings
11 Mar - 16 Mar	Ryanair
01 Mar - 05 Mar	easyJet
20 Mar - 28 Mar	Scandinavian Airlines
31 Mar - 07 Apr	Scandinavian Airlines
31 Mar - 11 Apr	Scandinavian Airlines
29 Mar - 08 Apr	KLM
31 Mar - 05 Apr	Scandinavian Airlines
29 Mar - 05 Apr	KLM
28 Mar - 01 Apr	Scandinavian Airlines
30 Mar - 06 Apr	Scandinavian Airlines
27 Mar - 08 Apr	Eurowings
27 Mar - 03 Apr	easyJet

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

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 March from 200€

Return flights