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

Return flights

29 Sep - 29 Oct	AJet
27 Sep - 30 Oct	AJet
29 Sep - 30 Oct	AJet
20 Sep - 30 Oct	AJet
27 Sep - 29 Oct	Pegasus Airlines
23 Sep - 28 Oct	Turkish Airlines
26 Sep - 29 Oct	AJet
23 Sep - 29 Oct	Pegasus Airlines
20 Sep - 27 Sep	Pegasus Airlines
27 Sep - 23 Oct	Pegasus Airlines
22 Sep - 27 Oct	Pegasus Airlines
27 Sep - 30 Sep	Pegasus Airlines
20 Sep - 30 Sep	Pegasus Airlines
19 Sep - 30 Sep	Pegasus Airlines
21 Sep - 25 Sep	Pegasus Airlines
21 Sep - 26 Sep	Pegasus Airlines
19 Sep - 26 Sep	Pegasus Airlines
23 Sep - 26 Sep	Pegasus Airlines
21 Sep - 24 Sep	Pegasus Airlines
21 Sep - 29 Sep	Pegasus Airlines

Also check the deals for one-way flights from Duesseldorf to Bangkok 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 Bangkok in September from 425€

Return flights