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

Return flights

10 Oct - 23 Oct	Air Transat	direct
13 Oct - 23 Oct	Air Transat	direct
06 Oct - 12 Oct	Air Transat	direct
06 Oct - 23 Oct	Air Transat	direct
17 Oct - 24 Oct	Lufthansa
07 Oct - 20 Oct	Air Canada
14 Oct - 22 Oct	Air Canada
08 Oct - 23 Oct	Air Canada
08 Oct - 18 Oct	Air Canada
08 Oct - 12 Oct	Air Canada
31 Oct - 16 Nov	British Airways
29 Oct - 18 Nov	British Airways
17 Oct - 04 Nov	Lufthansa
17 Oct - 03 Nov	Lufthansa
15 Oct - 03 Nov	Lufthansa
19 Oct - 04 Nov	Air Canada
15 Oct - 04 Nov	Air Canada
10 Oct - 11 Nov	Air Canada
28 Oct - 03 Nov	British Airways
28 Oct - 05 Nov	British Airways

Also check the deals for one-way flights from Brussels to Montreal 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 Montreal in October from 422€

Return flights