Cheapest return flights from Montreal to Brussels in September from $299

Best time to book flights for Montreal (YUL) to Brussels (BRU) flights at AirHint

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

Return flights

09 Sep - 16 Sep SWISS
24 Sep - 06 Oct Brussels Airlines
24 Sep - 30 Sep Brussels Airlines
02 Sep - 12 Sep Air Transat direct
04 Sep - 12 Sep Air Transat direct
11 Sep - 29 Sep Air Transat direct
02 Sep - 24 Sep Air Transat direct
11 Sep - 15 Sep Air Transat direct
11 Sep - 22 Sep Air Transat direct
23 Sep - 29 Sep Air Transat direct
09 Sep - 24 Sep Air Transat direct
21 Sep - 06 Oct Air Transat direct
09 Sep - 06 Oct Air Transat direct
23 Sep - 06 Oct Air Transat direct
25 Sep - 06 Oct Air Transat direct
28 Sep - 05 Oct Air Canada
22 Sep - 13 Oct Air Canada direct
24 Sep - 06 Oct Air Canada direct
20 Sep - 06 Oct Air Canada direct
25 Sep - 02 Oct Air Canada direct

Also check the deals for one-way flights from Montreal to Brussels in September.

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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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