HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pierre Elliott Trudeau Intl

$108+ Cheap flights from Boston (BOS) to Pierre Elliott Trudeau Intl (YUL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YUL
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Pierre Elliott Trudeau Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl are usually found in February or June, booked 74 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap flight deals from Boston to Pierre Elliott Trudeau Intl

Cheapest flights from Boston to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Boston to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:45 pm
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Sat 6/610:35 am
YUL
-
BOS
1 stop6h 11m
Porter Airlines
Deal found 5/10$184
This Flightnetwork deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:50 am
BOS
-
YUL
Nonstop1h 25m
Air Canada
Wed 6/178:20 am
YUL
-
BOS
Nonstop1h 25m
Air Canada
Deal found 5/11$193
This Mytrip deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1410:35 am
BOS
-
YUL
Nonstop1h 18m
Air Canada
Thu 6/181:15 pm
YUL
-
BOS
Nonstop1h 26m
Air Canada
Deal found 5/11$194
This Flightnetwork deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:35 am
BOS
-
YUL
Nonstop1h 18m
Air Canada
Sat 6/201:15 pm
YUL
-
BOS
Nonstop1h 26m
Air Canada
Deal found 5/10$196
This Flightnetwork deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:40 pm
BOS
-
YUL
Nonstop1h 33m
Air Canada
Sun 5/318:20 am
YUL
-
BOS
Nonstop1h 25m
Air Canada
Deal found 5/9$197
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:10 am
BOS
-
YUL
1 stop6h 30m
Porter Airlines
Sun 6/147:20 pm
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 5/11$198
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:45 pm
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Sun 5/317:20 pm
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 5/8$199
This Mytrip deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:40 pm
BOS
-
YUL
Nonstop1h 33m
Air Canada
Sun 5/318:20 am
YUL
-
BOS
Nonstop1h 25m
Air Canada
Deal found 5/8$200
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:10 am
BOS
-
YUL
1 stop6h 30m
Porter Airlines
Fri 6/57:20 pm
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 5/11$201
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:10 am
BOS
-
YUL
1 stop6h 30m
Porter Airlines
Sat 6/208:00 am
YUL
-
BOS
1 stop6h 41m
Porter Airlines
Deal found 5/10$203

Find flight deals from Boston to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Pierre Elliott Trudeau Intl (YUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$193
(Flightnetwork)

One-way from

$108
(Mytrip)

Popular in

November

Cheapest in

February

Average price

$422

Good round-trip deal

$643 or less

Good one-way deal

$225 or less
Provider with most accurate pricing for Boston Logan Intl-Montreal Pierre Elliott Trudeau Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Montreal Pierre Elliott Trudeau Intl flights.
Search Deals
From Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl
Search Deals
One-way flight from Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Pierre Elliott Trudeau Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 12, 2026.
Use the filters below to find and compare flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Fri 6/5

6:00 am-1:09 pm

1 stop7h 09m

Montreal Pierre Elliott Trudeau Intl

Sun 6/7

6:00 am-11:16 am

1 stop5h 16m

$259

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sun 5/31

5:46 pm-10:06 pm

1 stop4h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 6/1

6:00 am-11:16 am

1 stop5h 16m

$259

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Fri 6/12

6:00 am-4:10 pm

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 6/16

9:45 am-11:21 pm

1 stop13h 36m

$259

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Mon 6/22

6:00 am-1:09 pm

1 stop7h 09m

Montreal Pierre Elliott Trudeau Intl

Fri 6/26

11:23 am-4:38 pm

1 stop5h 15m

$259

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Mon 6/1

7:27 pm-12:13 am

1 stop4h 46m

Montreal Pierre Elliott Trudeau Intl

Thu 6/4

6:00 am-9:53 am

1 stop3h 53m

$259
Quickest round-trip

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Mon 6/22

4:45 pm-6:15 pm

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 6/29

7:20 pm-8:55 pm

Nonstop1h 35m

$294

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 7/18

11:15 am-6:10 pm

1 stop6h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 7/20

10:35 am-2:41 pm

1 stop4h 06m

$310

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sun 6/21

4:45 pm-6:15 pm

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 6/28

7:20 pm-8:55 pm

Nonstop1h 35m

$316

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 8/4

12:00 pm-11:35 pm

2 stops11h 35m

Montreal Pierre Elliott Trudeau Intl

Fri 8/7

2:29 pm-9:47 pm

1 stop7h 18m

$325

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 5/28

8:15 am-5:30 pm

1 stop9h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 5/31

6:00 am-3:15 pm

1 stop9h 15m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Boston to Pierre Elliott Trudeau Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Pierre Elliott Trudeau Intl in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Montreal Pierre Elliott Trudeau Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Montreal Pierre Elliott Trudeau Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport

How far ahead should I book a flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport?

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport (average of $370). Flying from Boston to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of $494). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to YUL?

Find hourly flight availability from Boston to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 12, 2026.

When flying from Boston to Montreal Pierre Elliott Trudeau Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Boston to Montreal Pierre Elliott Trudeau Intl Airport?

The best insider tips for Boston to Montreal Pierre Elliott Trudeau Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Montreal Pierre Elliott Trudeau Intl Airport trip
Our travel experts
John Walton

John Walton

Expert on YUL

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pierre Elliott Trudeau Intl. Reviews last updated May 12, 2026.
See what other customers who have flown with Porter Airlines,United Airlines, andAir Canada from Boston to Montreal Pierre Elliott Trudeau Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
436 reviews

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
436 reviews
Porter Airlines
8.0
Very good
436 reviews

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,701 reviews
Porter Airlines
8.0
Very good
436 reviews

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
11,019 reviews
Porter Airlines
8.0
Very good
436 reviews

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

Find useful and relevant information for your journey from Boston to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Montreal Pierre Elliott Trudeau Intl?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Montreal Pierre Elliott Trudeau Intl. You should not have trouble finding flights to Montreal Pierre Elliott Trudeau Intl from Logan Intl; the airport handles an average of 8 outbound flights to Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Boston airport to Montreal Pierre Elliott Trudeau Intl. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

  • How long is the flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport?

    There are many flights that can get you from Boston to Montreal Pierre Elliott Trudeau Intl Airport in 7h 09m. Fly via United Airlines to get the fastest option. There are 253 mi between Boston and Montreal Pierre Elliott Trudeau Intl Airport.

  • What are the cheapest airlines flying from Boston to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    According to our current data, Porter Airlines ($142), Air Canada ($232), and United Airlines ($249) offers the cheapest pricing from Boston to Montreal Pierre Elliott Trudeau Intl Airport. Porter Airlines is priced at 66% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Boston to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    The cheapest airlines for a one-way flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport are Air Canada ($118), Porter Airlines ($118), and United Airlines ($150).

  • What are the most reliable airlines from Boston to Montreal Pierre Elliott Trudeau Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Montreal Pierre Elliott Trudeau Intl Airport on time: Air Canada (73%), United Airlines (72%), Jazz (69%).

  • What are the cheapest flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport?

    The cheapest flight price from Boston to Montreal Pierre Elliott Trudeau Intl Airport is $116. On average you can expect to pay $1,099. The most popular route, (Boston Logan Intl - Montreal Pierre Elliott Trudeau Intl), can usually be booked for $137.

  • Can I find deals for flights from Boston to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Boston to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Boston to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Boston to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport (average of $370). Flying from Boston to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of $494). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Longueuil
Dorval

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
Albany to Pierre Elliott Trudeau Intl flights

Top 3 airlines flying from Boston to Pierre Elliott Trudeau Intl

Discover the top 3 airlines that operate flights from Boston to Pierre Elliott Trudeau Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$142Average$310FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$232Average$420FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$249Average$461FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.