Cheapest return DUS–KGS flights, September

AirHint found the following cheapest return flights from Duesseldorf (DUS) to Kos (KGS) in September 2026 (see full year).

Return flights

23 Sep - 07 Oct Ryanair
03 Sep - 10 Sep Ryanair
09 Sep - 16 Sep Ryanair direct
23 Sep - 30 Sep Ryanair direct
16 Sep - 30 Sep Ryanair direct
30 Sep - 07 Oct Ryanair direct
01 Sep - 10 Sep Ryanair
01 Sep - 09 Sep Ryanair
16 Sep - 23 Sep Ryanair direct
10 Sep - 14 Sep Eurowings
09 Sep - 23 Sep Ryanair direct
23 Sep - 07 Oct Ryanair direct
02 Sep - 09 Sep Ryanair direct
30 Sep - 14 Oct Ryanair direct
27 Sep - 07 Oct Ryanair
30 Sep - 16 Oct Ryanair
21 Sep - 07 Oct SKY express
26 Sep - 07 Oct TUIfly
28 Sep - 06 Oct Eurowings direct
27 Sep - 06 Oct easyJet

Also check the deals for one-way flights from Duesseldorf to Kos in September.

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