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

Return flights

28 Sep - 02 Oct	AJet
30 Sep - 25 Oct	Pegasus Airlines
29 Sep - 15 Oct	Pegasus Airlines
29 Sep - 13 Oct	Pegasus Airlines
30 Sep - 06 Oct	Pegasus Airlines
18 Sep - 01 Oct	Pegasus Airlines
17 Sep - 24 Sep	Pegasus Airlines
20 Sep - 28 Sep	Pegasus Airlines
14 Sep - 21 Sep	Pegasus Airlines
11 Sep - 24 Sep	AJet
21 Sep - 04 Oct	AJet
08 Sep - 23 Sep	Pegasus Airlines
14 Sep - 12 Oct	Pegasus Airlines
08 Sep - 28 Sep	AJet
20 Sep - 27 Sep	AJet
09 Sep - 16 Sep	AJet
21 Sep - 26 Sep	Pegasus Airlines
19 Sep - 04 Oct	Pegasus Airlines
20 Sep - 26 Sep	Pegasus Airlines
27 Sep - 03 Oct	AJet

Also check the deals for one-way flights from Duesseldorf to Singapore 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 Singapore in September from $628

Return flights