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

Return flights

13 Jun - 20 Jun	KLM
17 Jun - 24 Jun	Air Canada
17 Jun - 22 Jun	Air Canada
17 Jun - 23 Jun	Air Canada
13 Jun - 23 Jun	British Airways
14 Jun - 21 Jun	British Airways
14 Jun - 22 Jun	British Airways
17 Jun - 24 Jun	Brussels Airlines	direct
18 Jun - 25 Jun	Air Canada
18 Jun - 22 Jun	Air Canada
29 Jun - 10 Jul	Delta
26 Jun - 03 Jul	KLM
17 Jun - 10 Jul	Delta
25 Jun - 02 Jul	KLM
24 Jun - 01 Jul	Air Canada	direct
12 Jun - 01 Jul	Air Transat
12 Jun - 02 Jul	Air Transat
18 Jun - 15 Jul	Air Canada
29 Jun - 14 Jul	Air Canada
30 Jun - 22 Jul	KLM

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

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 Montreal to Brussels in June from $565

Return flights