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

Return flights

06 Jul - 14 Jul	Eurowings	direct
06 Jul - 18 Jul	Eurowings	direct
06 Jul - 16 Jul	Eurowings
06 Jul - 11 Jul	Eurowings	direct
13 Jul - 25 Jul	Eurowings
13 Jul - 18 Jul	Eurowings	direct
29 Jul - 04 Aug	easyJet
13 Jul - 21 Jul	Eurowings
06 Jul - 10 Jul	Eurowings
13 Jul - 23 Jul	Eurowings
27 Jul - 01 Aug	Eurowings
24 Jul - 31 Jul	easyJet
27 Jul - 05 Aug	Eurowings
24 Jul - 04 Aug	easyJet
20 Jul - 02 Aug	Lufthansa
25 Jul - 05 Aug	easyJet
27 Jul - 07 Aug	Eurowings
27 Jul - 04 Aug	Eurowings
22 Jul - 02 Aug	easyJet
30 Jul - 03 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Duesseldorf to Keflavik in July from 237€

Return flights