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

Return flights

01 Dec - 15 Dec	British Airways
03 Dec - 11 Dec	British Airways
01 Dec - 10 Dec	British Airways
03 Dec - 15 Dec	British Airways
03 Dec - 10 Dec	British Airways
04 Dec - 11 Dec	British Airways
08 Dec - 08 Jan	British Airways
04 Dec - 18 Dec	British Airways
01 Dec - 18 Dec	British Airways
11 Dec - 25 Dec	Air Canada
11 Dec - 08 Jan	Air Canada
02 Dec - 18 Dec	SWISS
12 Dec - 09 Jan	Air Canada
16 Dec - 13 Jan	United
31 Dec - 19 Jan	Air Canada
31 Dec - 18 Jan	Air Canada
07 Dec - 06 Jan	Air Canada
31 Dec - 17 Jan	Air Canada
31 Dec - 20 Jan	Air Canada
29 Dec - 07 Jan	Air Canada

Also check the deals for one-way flights from Brussels to Cancun 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 Cancun in December from 465€

Return flights