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

Return flights

01 Aug - 15 Aug	Air Transat	direct
05 Aug - 12 Aug	Air Canada
19 Aug - 26 Aug	Air Canada	direct
04 Aug - 11 Aug	Air Canada
06 Aug - 13 Aug	Air Canada
10 Aug - 17 Aug	Air Canada
11 Aug - 18 Aug	Air Canada
12 Aug - 19 Aug	Air Canada
13 Aug - 20 Aug	Air Canada
17 Aug - 24 Aug	Air Canada
26 Aug - 02 Sep	Air Canada	direct
27 Aug - 03 Sep	Air Canada
25 Aug - 17 Sep	Air Canada
25 Aug - 22 Sep	Air Canada
25 Aug - 23 Sep	Air Canada
25 Aug - 24 Sep	Air Canada
25 Aug - 01 Sep	Air Transat
31 Aug - 07 Sep	Brussels Airlines	direct
25 Aug - 17 Sep	Lufthansa	direct
25 Aug - 22 Sep	Lufthansa	direct

Also check the deals for one-way 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 return flights from Montreal to Brussels in August from $776

Return flights