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

Return flights

17 Jul - 28 Jul	Ryanair
17 Jul - 20 Jul	Ryanair
24 Jul - 03 Aug	Ryanair
29 Jul - 05 Aug	Eurowings
22 Jul - 31 Jul	Eurowings
20 Jul - 27 Jul	SWISS
24 Jul - 31 Jul	Ryanair
20 Jul - 05 Aug	Norwegian
20 Jul - 30 Jul	SWISS
31 Jul - 07 Aug	KLM
06 Jul - 13 Jul	easyJet
21 Jul - 30 Jul	easyJet
17 Jul - 24 Jul	Eurowings	direct
21 Jul - 31 Jul	easyJet
28 Jul - 21 Aug	Ryanair
31 Jul - 14 Aug	KLM
31 Jul - 14 Aug	Eurowings	direct
31 Jul - 08 Aug	Ryanair

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 284€

Return flights