AirHint found the following cheapest return flights from Brussels (BRU) to Montreal (YUL) in May 2026 (see full year).

Return flights

20 May - 24 May	TAP
01 May - 10 May	Air Transat	direct
01 May - 24 May	Air Transat	direct
25 May - 31 May	Air Transat	direct
01 May - 17 May	Air Transat	direct
11 May - 21 May	Air Transat	direct
08 May - 14 May	Air Transat	direct
01 May - 21 May	Air Transat	direct
19 May - 27 May	Air Canada
08 May - 20 May	Air Canada
11 May - 15 Jun	Air Canada
09 May - 15 Jun	Air Canada
23 May - 22 Jun	Lufthansa

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

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 May from $469

Return flights