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

Return flights

27 Jul - 04 Aug	Eurowings	direct
27 Jul - 08 Aug	Eurowings	direct
31 Jul - 04 Aug	Eurowings	direct
31 Jul - 08 Aug	Eurowings	direct
31 Jul - 11 Aug	Eurowings	direct
27 Jul - 01 Aug	Eurowings	direct
27 Jul - 28 Jul	Eurowings	direct
27 Jul - 31 Jul	Eurowings
31 Jul - 07 Aug	Eurowings
31 Jul - 05 Aug	Eurowings
27 Jul - 30 Jul	Eurowings
31 Jul - 06 Aug	Eurowings
31 Jul - 18 Aug	Eurowings
28 Jul - 30 Jul	SWISS

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

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 July from 277€

Return flights