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

Return flights

11 Dec - 15 Dec	Euroairlines, S.L.
18 Dec - 30 Dec	British Airways
23 Dec - 09 Jan	British Airways
22 Dec - 10 Jan	British Airways
19 Dec - 02 Jan	British Airways
15 Dec - 04 Jan	British Airways
19 Dec - 03 Jan	British Airways
21 Dec - 05 Jan	British Airways
18 Dec - 04 Jan	British Airways
25 Dec - 10 Jan	British Airways
27 Dec - 10 Jan	British Airways
15 Dec - 15 Jan	British Airways
11 Dec - 25 Dec	Euroairlines, S.L.	direct
10 Dec - 22 Dec	Delta
16 Dec - 27 Dec	British Airways

Also check the deals for one-way flights from Cancun to Brussels 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 Cancun to Brussels in December from $728

Return flights