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

Return flights

09 Oct - 14 Oct	British Airways
07 Oct - 28 Oct	British Airways
09 Oct - 16 Oct	British Airways
21 Oct - 28 Oct	Air Canada
27 Oct - 07 Nov	Air Canada
21 Oct - 04 Nov	Air Canada
22 Oct - 06 Nov	Air Canada
04 Oct - 25 Oct	British Airways
01 Oct - 08 Oct	British Airways
04 Oct - 17 Oct	British Airways
01 Oct - 15 Oct	British Airways
04 Oct - 11 Oct	British Airways
02 Oct - 11 Oct	British Airways
30 Oct - 20 Nov	Air Canada
29 Oct - 13 Nov	Air Canada
29 Oct - 05 Nov	Air Canada
30 Oct - 06 Nov	Air Canada
30 Oct - 13 Nov	Air Canada
24 Oct - 12 Nov	United
24 Oct - 06 Nov	United

Also check the deals for one-way flights from Brussels to Cancun 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 Cancun in October from 475€

Return flights