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

Return flights

20 Dec - 08 Jan	British Airways
30 Dec - 10 Jan	TAP
15 Dec - 30 Dec	British Airways
27 Dec - 09 Jan	British Airways
21 Dec - 05 Jan	British Airways
26 Dec - 09 Jan	British Airways
10 Dec - 22 Dec	Aeromexico
23 Dec - 06 Jan	British Airways
22 Dec - 29 Dec	Air Caraibes
23 Dec - 04 Jan	British Airways
20 Dec - 04 Jan	British Airways
20 Dec - 03 Jan	British Airways
25 Dec - 30 Dec	KLM
22 Dec - 06 Jan	British Airways
11 Dec - 30 Dec	TUI
10 Dec - 17 Dec	Aeromexico
13 Dec - 27 Dec	Spirit Airlines
11 Dec - 18 Dec	TUI
21 Dec - 27 Dec	Arajet
19 Dec - 21 Dec	Air France

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 635€

Return flights