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

Return flights

26 Aug - 02 Sep	easyJet
29 Aug - 02 Sep	easyJet
25 Aug - 01 Sep	easyJet
25 Aug - 28 Aug	easyJet
25 Aug - 30 Aug	easyJet
25 Aug - 04 Sep	easyJet
21 Aug - 27 Aug	easyJet
11 Aug - 13 Aug	Scandinavian Airlines
29 Aug - 03 Sep	easyJet
24 Aug - 01 Sep	Eurowings
21 Aug - 26 Aug	easyJet
22 Aug - 27 Aug	easyJet
24 Aug - 05 Sep	Eurowings
28 Aug - 31 Aug	easyJet
16 Aug - 23 Aug	Ryanair
12 Aug - 26 Aug	Ryanair
24 Aug - 29 Aug	Eurowings	direct
31 Aug - 08 Sep	Eurowings	direct
24 Aug - 01 Sep	Eurowings	direct

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 204€

Return flights