Cheap flights from Boston to Montreal from $114

The cheapest month to fly to Montreal from Boston is in July. Flight prices, which tend to average around $310, are often lower during this time because this is during the off-season. If you are unable to visit Montreal during the month of July, then departing from Boston during the month August is also very affordable. Most momondo users find prices during this month for around $329.

The cheapest day to depart from Boston to Montreal is on a Thursday when prices can be found for as low as $656. Flights from Boston to Montreal on a Monday will generally be more expensive and average around $783. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Montreal is in the afternoon. Flights from Boston to Montreal during this time can be as low as $736. In the morning is when there is more demand to fly to Montreal, so prices are often more expensive at around $742 per ticket.

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

You are more likely to see cheaper flights to Montreal from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around $407 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from Boston for as low as $293 on momondo.

There are 4 cabin classes available to choose from on Boston to Montreal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Boston to Montreal.

As of September 2026, prices for Boston to Montreal flights are approximately 27% cheaper when compared to flights at the same time last year.

Porter Airlines and United Airlines are the most popular carriers operating from Boston Logan Intl to Montreal

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Montreal from Boston according to our data. Air Canada is the first choice among our users, with 74% of people opting to fly with this airline when traveling to Montreal. Keep in mind that there are 3 different airlines that fly to Montreal on a routine basis, so you have a few additional options to choose from.

As of September 2026, 9 flights take off from Boston and land in Montreal each day. The most common flight departure time for this route is 6:00PM, with 30% of daily flights taking off in the evening.

As of September 2026, there are 65 flights per week flying from Boston to Montreal. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.