Cheap flights from Boston to Montreal from £86

In general, August is the cheapest month to fly from Boston to Montreal Pierre Elliott Trudeau Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £238. If you are unable to visit Montreal Pierre Elliott Trudeau Intl Airport during the month of August, then departing from Boston during the month July is also very affordable. Most momondo users find prices during this month for around £246.

Our data shows that Friday is the least expensive day to fly to Montreal Pierre Elliott Trudeau Intl Airport. Tickets to fly out on this day can be as low as £170. Flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport on a Sunday will generally be more expensive and average around £628. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Montreal Pierre Elliott Trudeau Intl Airport from Boston in the morning is the least expensive time of day to depart. momondo users have found prices as low as £282 when looking at flights departing in the morning. Flights in the afternoon are often more expensive, with an average ticket price of £498.

Fly from Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl for the best Boston Logan Intl - Montreal Pierre Elliott Trudeau Intl flight prices

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around £304 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from Boston for as low as £225 on momondo.

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

You could potentially save up to 49% on your flight if you consider stops on a Boston to Montreal Pierre Elliott Trudeau Intl Airport flight.

As of September 2026, prices for Boston to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 9% cheaper when compared to flights at the same time last year.

8 flights are operational daily from Boston to Montreal Pierre Elliott Trudeau Intl Airport as of September 2026. The most popular departure time for this route is 18:00, with 38% of flights per day taking off in the afternoon.

57 flights are operational weekly from Boston to Montreal Pierre Elliott Trudeau Intl Airport as of September 2026. The most popular departure day for this route is Tue, with 18% of flights per week taking off on this day.