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

Return flights

12 Jul - 20 Aug	Air Transat	direct
20 Jul - 10 Aug	Air Transat	direct
20 Jul - 31 Aug	Air Transat	direct
15 Jul - 13 Aug	Air Transat	direct
10 Jul - 13 Aug	Air Transat	direct
05 Jul - 20 Aug	Air Transat	direct
13 Jul - 13 Aug	Air Transat	direct
18 Jul - 27 Jul	KLM
13 Jul - 20 Jul	Air Transat	direct
06 Jul - 13 Jul	Air Transat	direct
20 Jul - 27 Jul	Air Transat	direct
12 Jul - 21 Jul	Air Transat	direct
07 Jul - 12 Jul	KLM
04 Jul - 17 Jul	Delta
05 Jul - 17 Jul	Delta
14 Jul - 20 Jul	Delta
04 Jul - 11 Jul	KLM
31 Jul - 26 Aug	Delta
17 Jul - 12 Aug	KLM
28 Jul - 24 Aug	KLM

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

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 July from 547€

Return flights