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

Return flights

31 Jul - 07 Aug	Condor
28 Jul - 31 Jul	Eurowings
29 Jul - 04 Aug	Eurowings
28 Jul - 04 Aug	Eurowings
29 Jul - 06 Aug	Eurowings
31 Jul - 03 Aug	Condor
30 Jul - 05 Aug	Austrian Airlines
30 Jul - 06 Aug	easyJet
31 Jul - 10 Aug	Eurowings
28 Jul - 05 Aug	Eurowings
29 Jul - 01 Aug	Eurowings
28 Jul - 30 Jul	Eurowings
27 Jul - 30 Jul	Condor
28 Jul - 30 Jul	Eurowings	direct
28 Jul - 31 Jul	Eurowings	direct
27 Jul - 30 Jul	Condor	direct
30 Jul - 31 Jul	Ryanair
27 Jul - 28 Jul	SKY express

Also check the deals for one-way flights from Duesseldorf to Kos 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 Kos in July from 209€

Return flights