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

Return flights

11 Sep - 24 Sep	Wizz Air Malta
02 Sep - 22 Sep	Wizz Air Malta
16 Sep - 03 Oct	Wizz Air Malta
02 Sep - 19 Sep	Wizz Air Malta
06 Sep - 27 Sep	Wizz Air Malta
06 Sep - 19 Sep	Wizz Air Malta
22 Sep - 28 Sep	Ryanair
29 Sep - 12 Oct	SWISS
09 Sep - 23 Sep	SWISS
05 Sep - 20 Sep	SWISS
15 Sep - 29 Sep	SWISS
22 Sep - 07 Oct	SWISS
29 Sep - 21 Oct	SWISS
02 Sep - 21 Sep	Lufthansa
18 Sep - 03 Oct	Wizz Air Malta
17 Sep - 03 Oct	Ryanair
15 Sep - 04 Oct	AJet
27 Sep - 21 Oct	AJet
20 Sep - 06 Oct	Wizz Air Malta
14 Sep - 03 Oct	AJet

Also check the deals for one-way flights from Brussels 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 Brussels to Colombo in September from $560

Return flights