Cheap flights from Montreal to Brussels from C$ 421

If you’re not able to fly to Brussels in October, then August is your next best option. Flight prices from Montreal to Brussels during August average around C$ 362.

The cheapest day to depart from Montreal to Brussels is on a Sunday when prices can be found for as low as C$ 1,320. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to Brussels for around C$ 1,468.

Our most recent data shows that the best time of day to fly to Brussels is in the evening. Flights from Montreal to Brussels during this time can be as low as C$ 1,147. Flights to Brussels are more costly in the afternoon, with an average ticket price of C$ 1,540. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Montreal Pierre Elliott Trudeau Intl to Brussels Bruxelles-National for the best Montreal - Brussels flight prices

You are more likely to see cheaper flights to Brussels from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around C$ 1,004 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Montreal for as low as C$ 888 on momondo.

There are 3 cabin classes available to choose from on Montreal to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Air Transat is the most popular carrier operating from Montreal to Brussels

Air Canada, Air Transat and Brussels Airlines are the top three most popular airlines that fly to Brussels from Montreal according to our data. Air Canada is the first choice among our users, with 57% of people opting to fly with this airline when travelling to Brussels. Keep in mind that there are 8 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.

Historically, on average around 27% of flights between Montreal and Brussels have experienced a delay on any given week. The average delay length over the past 12 months has been 148 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Canada has had the least delays on this route over the last 12 months, with about 23% of their flights experiencing any sort of delay.

As of June 2026, 3 flights take off from Montreal and land in Brussels each day. The most common flight departure time for this route is 6:00p.m., with 100% of daily flights taking off in the evening.

As of June 2026, 24 flights take off from Montreal and land in Brussels each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.