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

Return flights

21 Mar - 31 Mar	KLM
07 Mar - 16 Mar	KLM
07 Mar - 17 Mar	KLM
07 Mar - 18 Mar	KLM
07 Mar - 15 Mar	KLM
14 Mar - 21 Mar	KLM
21 Mar - 28 Mar	KLM
24 Mar - 31 Mar	KLM
23 Mar - 30 Mar	KLM
31 Mar - 06 Apr	Scandinavian Airlines
30 Mar - 06 Apr	Scandinavian Airlines
30 Mar - 04 Apr	Scandinavian Airlines
30 Mar - 05 Apr	Scandinavian Airlines
23 Mar - 29 Mar	KLM
29 Mar - 06 Apr	Eurowings	direct

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 $250

Return flights