AirHint found the following cheapest one-way flights from Montreal (YUL) to Brussels (BRU) in August 2025 (see full year).

One-Way flights

20 Aug	WestJet
18 Aug	WestJet
04 Aug	Porter Airlines (Canada) Ltd
21 Aug	WestJet
28 Aug	FrenchBee
15 Aug	WestJet
04 Aug	Air Canada	direct
06 Aug	Air Canada	direct
13 Aug	Air Canada	direct
21 Aug	Air Transat	direct

Also check the deals for return flights from Montreal to Brussels in August.

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 one-way flights from Montreal to Brussels in August from $345

One-Way flights