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

Return flights

02 Sep - 30 Sep	Pegasus Airlines
09 Sep - 29 Sep	Pegasus Airlines
02 Sep - 25 Sep	Pegasus Airlines
03 Sep - 16 Sep	Pegasus Airlines
17 Sep - 01 Oct	Pegasus Airlines
17 Sep - 02 Oct	Pegasus Airlines
10 Sep - 22 Sep	Pegasus Airlines
28 Sep - 07 Oct	Pegasus Airlines
29 Sep - 14 Oct	Pegasus Airlines
24 Sep - 06 Oct	Pegasus Airlines
07 Sep - 22 Sep	AJet
16 Sep - 24 Sep	AJet
20 Sep - 15 Oct	Pegasus Airlines
28 Sep - 12 Oct	Pegasus Airlines
07 Sep - 23 Sep	AJet
17 Sep - 13 Oct	AJet
29 Sep - 20 Oct	Pegasus Airlines
08 Sep - 15 Sep	Pegasus Airlines
15 Sep - 06 Oct	Pegasus Airlines
11 Sep - 30 Sep	AJet

Also check the deals for one-way flights from Duesseldorf to Colombo 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 Colombo in September from 465€

Return flights