Cheap flights from Montreal to Brussels from $397

In general, September is the cheapest month to fly from Montreal to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $555. If you are unable to visit Brussels during the month of September, then departing from Montreal during the month October is also very affordable. Most momondo users find prices during this month for around $601.

On average, the least expensive day to fly to Brussels from Montreal is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $886. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Montreal because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,243.

According to our data, the cheapest time of day to fly to Brussels is in the evening. momondo users have found flights departing from Montreal to Brussels in the evening for as low as $1,006. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,120.

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 $722 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 $611 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.

Porter Airlines and Brussels Airlines are the most popular carriers 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 49% of people opting to fly with this airline when traveling to Brussels. Keep in mind that there are 4 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.

Historically, on average around 28% 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 149 minutes.

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

Monday is statistically the day of the week which experiences the fewest number of 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 have had the least number of delays on this route over the last 12 months; with about 24% of their flights experiencing any sort of delay.

5 flights are operational daily from Montreal to Brussels as of February 2026. The most popular departure time for this route is 6:00PM, with 100% of flights per day taking off in the evening.

As of February 2026, there are 36 flights per week flying from Montreal to Brussels. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.