AirHint found the following cheapest return flights from Duesseldorf (DUS) to Dalaman (DLM) in September 2025 (see full year).

Return flights

08 Sep - 22 Sep	AJet
15 Sep - 22 Sep	AJet
17 Sep - 24 Sep	AJet
18 Sep - 25 Sep	AJet
16 Sep - 23 Sep	AJet
07 Sep - 14 Sep	AJet
08 Sep - 14 Sep	AJet
07 Sep - 17 Sep	AJet
08 Sep - 18 Sep	AJet
08 Sep - 21 Sep	AJet
17 Sep - 01 Oct	AJet
13 Sep - 06 Oct	AJet
20 Sep - 19 Oct	AJet
14 Sep - 04 Oct	AJet
28 Sep - 19 Oct	Aer Lingus
13 Sep - 04 Oct	SunExpress	direct
27 Sep - 04 Oct	Ryanair
14 Sep - 05 Oct	AJet
27 Sep - 04 Oct	SunExpress	direct
27 Sep - 06 Oct	SunExpress	direct

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

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 Dalaman in September from $243

Return flights