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

Return flights

28 Aug - 08 Sep	Eurowings	direct
31 Aug - 08 Sep	Eurowings	direct
28 Aug - 05 Sep	Eurowings	direct
28 Aug - 01 Sep	Eurowings
24 Aug - 01 Sep	Eurowings
31 Aug - 05 Sep	Eurowings	direct
24 Aug - 29 Aug	Eurowings	direct
24 Aug - 01 Sep	Eurowings	direct
26 Aug - 02 Sep	Vueling Airlines
28 Aug - 01 Sep	Eurowings	direct
28 Aug - 29 Aug	Eurowings	direct
31 Aug - 07 Sep	Eurowings
21 Aug - 26 Aug	Eurowings
21 Aug - 27 Aug	Eurowings
21 Aug - 29 Aug	Eurowings	direct
21 Aug - 28 Aug	Eurowings
27 Aug - 29 Aug	Ryanair
27 Aug - 28 Aug	Ryanair
21 Aug - 25 Aug	Eurowings	direct
21 Aug - 31 Aug	Eurowings

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

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 August from 183€

Return flights