$121 Cheap Flights from Boston (BOS) to Montreal (YUL)

View $121 flight on Fri, Sep 26, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Montreal–Trudeau Intl. Airport (YUL)

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Cheap Flights from Boston to Montreal (BOS-YUL)

Prices were available within the past 7 days and start at $121 for one-way flights and $278 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Porter Airlines
Tue, Oct 28 - Sat, Nov 1
BOS
Boston
YUL
Montreal
$278 Roundtrip, just found
$278
Roundtrip
just found
Select Porter Airlines flight, departing Tue, Oct 28 from Boston to Montreal, returning Sat, Nov 1, priced at $278 just found
Air Canada
Tue, Oct 28 - Sat, Nov 1
BOS
Boston
YUL
Montreal
$279 Roundtrip, just found
$279
Roundtrip
just found
Select Air Canada flight, departing Tue, Oct 28 from Boston to Montreal, returning Sat, Nov 1, priced at $279 just found
American Airlines
Tue, Oct 28 - Sat, Nov 1
BOS
Boston
YUL
Montreal
$283 Roundtrip, just found
$283
Roundtrip
just found
Select American Airlines flight, departing Tue, Oct 28 from Boston to Montreal, returning Sat, Nov 1, priced at $283 just found
American Airlines
Fri, Oct 17 - Sun, Oct 19
BOS
Boston
YUL
Montreal
$284 Roundtrip, just found
$284
Roundtrip
just found
Select American Airlines flight, departing Fri, Oct 17 from Boston to Montreal, returning Sun, Oct 19, priced at $284 just found
Air Canada
Tue, Oct 28 - Sat, Nov 1
BOS
Boston
YUL
Montreal
$290 Roundtrip, just found
$290
Roundtrip
just found
Select Air Canada flight, departing Tue, Oct 28 from Boston to Montreal, returning Sat, Nov 1, priced at $290 just found
Air Canada
Tue, Sep 23 - Fri, Sep 26
BOS
Boston
YUL
Montreal
$296 Roundtrip, just found
$296
Roundtrip
just found
Select Air Canada flight, departing Tue, Sep 23 from Boston to Montreal, returning Fri, Sep 26, priced at $296 just found
Air Canada
Tue, Oct 28 - Sat, Nov 1
BOS
Boston
YUL
Montreal
$297 Roundtrip, just found
$297
Roundtrip
just found
Select Air Canada flight, departing Tue, Oct 28 from Boston to Montreal, returning Sat, Nov 1, priced at $297 just found
Air Canada
Fri, Sep 26 - Mon, Sep 29
BOS
Boston
YUL
Montreal
$298 Roundtrip, just found
$298
Roundtrip
just found
Select Air Canada flight, departing Fri, Sep 26 from Boston to Montreal, returning Mon, Sep 29, priced at $298 just found
Porter Airlines
Fri, Oct 17 - Sun, Oct 19
BOS
Boston
YUL
Montreal
$304 Roundtrip, just found
$304
Roundtrip
just found
Select Porter Airlines flight, departing Fri, Oct 17 from Boston to Montreal, returning Sun, Oct 19, priced at $304 just found
Delta
Wed, Dec 24 - Mon, Jan 5
BOS
Boston
YUL
Montreal
$385 Roundtrip, just found
$385
Roundtrip
just found
Select Delta flight, departing Wed, Dec 24 from Boston to Montreal, returning Mon, Jan 5, priced at $385 just found

Find the cheapest month to fly from Boston (BOS) to Montreal (YUL)

March is typically the cheapest month to fly

From $213 - $450 per traveler.

Graph displaying average flight prices per month

Alternative airports near Montreal

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to St. Hubert YHU. Closest option available. Average driving time to city center is 17 minutes. Flights from $1,098
YHU
St. Hubert
Closest
Average driving time to city center17 min
Flights from $1,098
Flights from Boston (BOS) to Montreal (YUL)
Origin airport
Logan Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, American Airlines, Delta, Porter Airlines, United
Roundtrip price
$233
Distance
253 mi
Average flight time
1 hour 25 mins

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 October. 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 $121 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

How much does a flight from Logan Intl. Airport (BOS) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Score cheap return tickets from Logan Intl. Airport (BOS) to Pierre Elliott Trudeau Intl. Airport (YUL) starting from $364. Grab your seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Air Canada flight leaving BOS on August 18 2025 and touching down at YUL. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BOS to YUL?
The cheapest flights from BOS to YUL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Logan Intl. Airport (BOS) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Catch a direct flight with Air Canada and travel straight from Logan Intl. Airport (BOS) to Pierre Elliott Trudeau Intl. Airport (YUL).
What is the cheapest airline that flies from BOS to YUL?
With tickets starting at $156 for a one-way journey from BOS to YUL, Air Canada is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BOS on October 10 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Logan Intl. Airport (BOS) to Pierre Elliott Trudeau Intl. Airport (YUL)?
When departing from Logan Intl. Airport (BOS), you can pick from an average of 3 daily direct flights to Pierre Elliott Trudeau Intl. Airport (YUL).
What are the most popular departure times for flights from Logan Intl. Airport (BOS) to Pierre Elliott Trudeau Intl. Airport (YUL)?
More travelers fly between BOS and YUL at 7 AM than at any other time. Prefer a quieter experience? Consider flying outside peak hours and you're likely to save on your ticket as well.
What day of the week has the most flights from BOS to YUL?
Depart on a Friday if you're looking for the best choice of flights from Logan Intl. Airport (BOS) to Pierre Elliott Trudeau Intl. Airport (YUL).
What is the earliest flight from Logan Intl. Airport (BOS) to Pierre Elliott Trudeau Intl. Airport (YUL)?
The earliest flight out of Logan Intl. Airport (BOS) is at around 7:10AM UTC-5. Catch this flight and you'll land at Pierre Elliott Trudeau Intl. Airport (YUL) at approximately 8:35AM UTC-5. The entire trip takes 1h 25m.
How long does it take to fly from Logan Intl. Airport (BOS) to Pierre Elliott Trudeau Intl. Airport (YUL)?
It takes approximately 1 hour and 25 minutes to cover the 250 mi from BOS to YUL.
What is the best time to fly from Logan Intl. Airport (BOS) to Pierre Elliott Trudeau Intl. Airport (YUL)?
To avoid possible delays on the Logan Intl. Airport (BOS) to Pierre Elliott Trudeau Intl. Airport (YUL) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Montreal from Logan Intl. Airport (BOS)?
Pierre Elliott Trudeau Intl. Airport (YUL) is the only airport in Montreal with direct flights from Logan Intl. Airport (BOS). Check out your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Holding off until just before your trip to book a flight from BOS to YUL generally means paying more. While it's possible to find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule for a better chance of landing a bargain.
Is it cheaper to book a BOS to YUL flight and hotel package?
You'll generally save money by securing a BOS to YUL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your preferred flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Pierre Elliott Trudeau Intl. Airport (YUL)?
If you booked your BOS to YUL flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.