Cheapest return flights from Montreal to Brussels in September from $436

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

Return flights

14 Sep - 17 Sep Air Transat direct
07 Sep - 14 Sep Air Transat direct
23 Sep - 13 Oct Air Transat direct
16 Sep - 26 Sep Air Transat direct
07 Sep - 17 Sep Air Transat direct
09 Sep - 22 Sep Air Transat direct
18 Sep - 26 Sep Air Transat direct
18 Sep - 22 Sep Air Transat direct
07 Sep - 10 Sep Air Transat direct
07 Sep - 15 Sep Air Transat direct
14 Sep - 26 Sep Air Transat direct
25 Sep - 13 Oct Air Transat direct
28 Sep - 17 Oct Air Transat direct
23 Sep - 10 Oct Air Transat direct
18 Sep - 06 Oct Air Transat direct
21 Sep - 08 Oct Air Canada direct
18 Sep - 01 Oct Air Canada direct
23 Sep - 01 Oct Air Canada
21 Sep - 02 Oct SWISS
23 Sep - 14 Oct SWISS

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

Skyscanner

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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