AirHint found the following cheapest one-way flights from Duesseldorf (DUS) to Kos (KGS) in August 2025 (see full year).

One-Way flights

20 Aug	Ryanair	direct
27 Aug	Ryanair	direct
28 Aug	easyJet
17 Aug	Condor	direct
13 Aug	Ryanair	direct
28 Aug	Eurowings	direct
11 Aug	Eurowings	direct
18 Aug	Eurowings	direct
16 Aug	easyJet
10 Aug	Eurowings

Also check the deals for return flights from Duesseldorf to Kos 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 one-way flights from Duesseldorf to Kos in August from $39

One-Way flights