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

Return flights

15 May - 31 May	Air Transat	direct
01 May - 17 May	Air Transat	direct
08 May - 24 May	Air Transat	direct
29 May - 31 May	Air Transat	direct
08 May - 17 May	Air Transat	direct
13 May - 20 May	Brussels Airlines
08 May - 20 May	Air Canada
05 May - 13 May	Air Canada
11 May - 25 May	Air Canada
05 May - 18 May	Air Canada
20 May - 01 Jun	Brussels Airlines
31 May - 07 Jun	Air Canada
04 May - 04 Jun	Delta

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 420€

Return flights