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

Return flights

10 Sep - 15 Sep	AJet
11 Sep - 13 Sep	Pegasus Airlines
17 Sep - 19 Sep	Pegasus Airlines
12 Sep - 15 Sep	AJet
15 Sep - 19 Sep	AJet
20 Sep - 23 Sep	Pegasus Airlines
21 Sep - 24 Sep	AJet
04 Sep - 08 Sep	Pegasus Airlines
19 Sep - 25 Sep	AJet
14 Sep - 28 Sep	AJet
08 Sep - 12 Oct	AJet
22 Sep - 07 Oct	SunExpress	direct
22 Sep - 03 Oct	SunExpress	direct
25 Sep - 07 Oct	SunExpress	direct
25 Sep - 03 Oct	SunExpress	direct
22 Sep - 06 Oct	SunExpress	direct
22 Sep - 04 Oct	SunExpress	direct
21 Sep - 07 Oct	SunExpress	direct
21 Sep - 03 Oct	SunExpress	direct
25 Sep - 06 Oct	SunExpress	direct

Also check the deals for one-way flights from Dalaman to Duesseldorf 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 Dalaman to Duesseldorf in September from $162

Return flights