Cheap Flights from Boston (BOS) to Montreal (YMX)

Popular airlines from Logan International Airport (BOS) to Montreal, QC (YMX-Mirabel Intl.)

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Find available prices by choosing your travel dates.
Flights from Boston (BOS) to Montreal (YMX)
Origin airport
Logan Intl.
Destination airport
Mirabel Intl.
Distance
273 mi

Boston to Montreal Flights

The cheapest times to fly from Boston to Montreal

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Montreal are during the month of . You can find some of the cheapest flights from Boston to Montreal with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Montreal

Sunday is one of the best days to book for cheap flights from Boston to Montreal: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Montreal

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Montreal flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Montreal airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

Is it cheaper to buy a plane ticket from BOS to Montréal--Mirabel International Airport last minute?
Booking your trip from Logan Intl. Airport (BOS) to Mirabel Intl. Airport (YMX) at the last minute could save you money if you hit the jackpot and find a real steal. However, tickets usually don’t drop in price as the date of departure nears. If you hold off, flights could also be sold out or the best seats gone (that could mean the middle seat!). If you don’t want to hedge your bets, book well ahead of when you want to leave. In fact, Expedia has some of the biggest deals up to 12 months in advance. If your favorite carrier hasn’t released its fares yet, check back regularly as offers are updated on Expedia constantly.
What airports do you fly into for Montreal from Boston?
Mirabel Intl. Airport (YMX) is where Boston to Montreal flights come in to land. It’s situated around 25 mi northwest of the middle of Montreal. You can find spectacular deals on flights, hotels, car rentals and more when you book your Montreal trip with Expedia.
Can I change the date of my flight from BOS to Montréal--Mirabel International Airport?
Quickly make changes to your Logan Intl. Airport to Montréal International Airport journey through the Expedia Trips portal. But before amending dates or times, check out the ticket rules in your itinerary to find out what the carrier will let you do and if charges apply. Some airlines charge a change fee per person, on top of any difference in prices. But if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also swing by our Customer Service portal for more info and to connect with our Virtual Agent.

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