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

Return flights

02 Oct - 09 Oct	SWISS
22 Oct - 03 Nov	SWISS
03 Oct - 10 Oct	SWISS
21 Oct - 03 Nov	SWISS
11 Oct - 25 Oct	AJet
07 Oct - 24 Oct	AJet
24 Oct - 01 Nov	SWISS
03 Oct - 25 Oct	SWISS
06 Oct - 31 Oct	AJet
24 Oct - 03 Nov	AJet
05 Oct - 16 Oct	AJet
25 Oct - 01 Nov	Brussels Airlines
06 Oct - 18 Oct	SWISS
25 Oct - 02 Nov	Brussels Airlines
14 Oct - 31 Oct	Brussels Airlines
24 Oct - 02 Nov	SWISS
11 Oct - 23 Oct	Brussels Airlines
14 Oct - 05 Nov	Qatar Airways

Also check the deals for one-way flights from Brussels to Colombo in October.

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 October from $670

Return flights