Cheap flights from Boston to Montreal from C$ 158

The month of August is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Boston, with most prices found around C$ 446. The month of July is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Boston averaging around C$ 461.

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Saturday when prices can be found for as low as C$ 295. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,170.

In the morning is the cheapest time of day to fly from Boston to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 564. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around C$ 581. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 C$ 565 when searching weeks out. 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 C$ 431 on momondo.

There are 2 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 47% 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.

Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating from Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl

Porter Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport from Boston according to our data. Porter Airlines is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Montreal Pierre Elliott Trudeau Intl Airport. Keep in mind that there are 3 different airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport on a routine basis, so you have a few additional options to choose from.

9 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 6:00p.m., with 38% of flights per day taking off in the afternoon.

As of September 2026, 65 flights take off from Boston and land in Montreal Pierre Elliott Trudeau Intl Airport each week. The most common flight departure day for this route is Wed, with 18% of weekly flights taking off on this day.