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

Return flights

01 Dec - 15 Dec	Pegasus Airlines
03 Dec - 17 Dec	Pegasus Airlines
04 Dec - 23 Jan	Pegasus Airlines
02 Dec - 14 Dec	AJet
01 Dec - 13 Dec	AJet
04 Dec - 12 Dec	AJet
01 Dec - 12 Dec	easyJet
04 Dec - 27 Dec	SWISS
07 Dec - 23 Dec	SWISS
11 Dec - 27 Dec	easyJet
12 Dec - 22 Dec	easyJet
31 Dec - 22 Jan	SWISS
30 Dec - 20 Jan	SWISS
10 Dec - 17 Jan	Etihad Airways
31 Dec - 07 Jan	Wizz Air
10 Dec - 05 Jan	Pegasus Airlines
08 Dec - 09 Jan	AJet
01 Dec - 01 Jan	AJet
18 Dec - 20 Jan	LOT
27 Dec - 13 Jan	Etihad Airways

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

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 December from $542

Return flights