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

Return flights

07 Sep - 16 Sep	Finnair
07 Sep - 14 Sep	Finnair
07 Sep - 24 Sep	Finnair
02 Sep - 09 Sep	Finnair
08 Sep - 23 Sep	Finnair
09 Sep - 16 Sep	Finnair
22 Sep - 15 Oct	Finnair
29 Sep - 15 Oct	Finnair
09 Sep - 24 Oct	Finnair
29 Sep - 06 Oct	Eurowings
01 Sep - 22 Sep	Turkish Airlines
15 Sep - 20 Sep	Etihad Airways
18 Sep - 03 Oct	Etihad Airways
28 Sep - 08 Oct	easyJet
30 Sep - 05 Oct	Finnair
26 Sep - 13 Oct	Finnair
03 Sep - 20 Sep	Turkish Airlines
11 Sep - 04 Oct	Turkish Airlines
27 Sep - 13 Oct	Turkish Airlines
01 Sep - 07 Sep	Turkish Airlines

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 584€

Return flights