HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$141+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Boston (BOS)

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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — BOS
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pierre Elliott Trudeau Intl to Boston 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 Montreal Pierre Elliott Trudeau Intl to Boston Logan Intl are usually found in March or July, booked 78 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Pierre Elliott Trudeau Intl to Boston

Cheapest flights from Pierre Elliott Trudeau Intl to Boston
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.

This SmartFares deal was found by Cheapflights users on 4/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:20 pm
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Thu 6/44:45 pm
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Deal found 4/13$213
This SmartFares deal was found by Cheapflights users on 4/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:20 pm
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Sun 5/174:45 pm
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Deal found 4/12$215
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/76:30 am
YUL
-
BOS
1 stop4h 11m
Porter Airlines
Sun 5/107:10 am
BOS
-
YUL
1 stop5h 00m
Porter Airlines
Deal found 4/14$217
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/712:50 pm
YUL
-
BOS
1 stop3h 56m
Porter Airlines
Wed 5/1311:25 am
BOS
-
YUL
1 stop5h 50m
Porter Airlines
Deal found 4/14$220
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/167:20 pm
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Sun 5/174:45 pm
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Deal found 4/14$223
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/294:00 pm
YUL
-
BOS
1 stop3h 46m
Porter Airlines
Sat 5/307:10 am
BOS
-
YUL
1 stop5h 00m
Porter Airlines
Deal found 4/15$225
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/136:30 am
YUL
-
BOS
1 stop4h 11m
Porter Airlines
Wed 5/2011:25 am
BOS
-
YUL
1 stop6h 50m
Porter Airlines
Deal found 4/16$226

Find flight deals from Pierre Elliott Trudeau Intl to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Boston (BOS). 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 April 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$213
(SmartFares)

One-way from

$141
(Kiwi.com)

Popular in

September

Cheapest in

March

Average price

$370

Good round-trip deal

$283 or less

Good one-way deal

$197 or less
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-Boston Logan Intl flights.
Search Deals
From Montreal Pierre Elliott Trudeau Intl to Boston Logan Intl
Search Deals
One-way flight from Montreal Pierre Elliott Trudeau Intl to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Boston 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 April 17, 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 5/28

6:30 am-10:41 am

1 stop4h 11m

Boston Logan Intl

Sat 5/30

11:25 am-6:15 pm

1 stop6h 50m

$264

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 5/27

12:50 pm-4:46 pm

1 stop3h 56m

Boston Logan Intl

Fri 5/29

11:25 am-6:15 pm

1 stop6h 50m

$278

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 5/27

8:20 am-9:45 am

Nonstop1h 25m

Boston Logan Intl

Fri 5/29

6:55 pm-11:31 pm

1 stop4h 36m

$281

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 6/25

7:20 pm-8:55 pm

Nonstop1h 35m

Boston Logan Intl

Mon 8/3

5:30 pm-10:10 pm

1 stop4h 40m

$320

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 5/6

6:00 am-5:28 pm

2 stops11h 28m

Boston Logan Intl

Sat 5/9

12:00 pm-11:13 pm

2 stops11h 13m

$331

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sat 5/16

1:10 pm-2:47 pm

Nonstop1h 37m

Boston Logan Intl

Sun 5/17

3:40 pm-5:13 pm

Nonstop1h 33m

$333

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 5/27

2:29 pm-10:25 pm

1 stop7h 56m

Boston Logan Intl

Fri 5/29

12:00 pm-11:13 pm

2 stops11h 13m

$334

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 5/27

2:29 pm-10:25 pm

1 stop7h 56m

Boston Logan Intl

Wed 6/3

12:00 pm-11:13 pm

2 stops11h 13m

$334
Quickest round-trip

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 5/7

8:20 am-9:45 am

Nonstop1h 25m

Boston Logan Intl

Sun 5/10

5:50 am-7:15 am

Nonstop1h 25m

$342
Cheapest one-way
Quickest one-way

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 7/8

7:20 pm-8:55 pm

Nonstop1h 35m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Pierre Elliott Trudeau Intl to Boston

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 Pierre Elliott Trudeau Intl to Boston in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 Montreal Pierre Elliott Trudeau Intl Airport-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Boston 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 Montreal Pierre Elliott Trudeau Intl Airport-Boston 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 Pierre Elliott Trudeau Intl to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport to Boston

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

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Boston. Price data was last updated on April 10, 2026.

To ensure you get the cheapest price possible for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Boston, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Boston (average of $340). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Boston in September is currently the most expensive (average of $417). 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 YUL to BOS?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2026.

A simple way to save on the total cost of your ticket is to fly from Montreal Pierre Elliott Trudeau Intl Airport to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Boston?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Boston. Price data was last updated on April 11, 2026.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Boston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

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

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated April 17, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,United Airlines, andAir Canada from Montreal Pierre Elliott Trudeau Intl Airport to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
435 reviews

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

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
435 reviews
Porter Airlines
8.0
Very good
435 reviews

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

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
9,603 reviews
Porter Airlines
8.0
Very good
435 reviews

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

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
10,932 reviews
Porter Airlines
8.0
Very good
435 reviews

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

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 Pierre Elliott Trudeau Intl to Boston. 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 into for flights to Boston from Montreal Pierre Elliott Trudeau Intl?

    Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Boston from Montreal Pierre Elliott Trudeau Intl. Booking flights from Montreal Pierre Elliott Trudeau Intl to Logan Intl (BOS) should be relatively easy as there are 10 daily inbound flights from Montreal Pierre Elliott Trudeau Intl from 3 different airlines.

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

    Departing from Montreal Pierre Elliott Trudeau Intl Airport to Boston will take you 4h 11m. Montreal Pierre Elliott Trudeau Intl Airport and Boston are separated by a distance of 253 mi.

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

    Flying on Porter Airlines is currently your cheapest option to Boston, with prices starting at $162. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at $241 and $261, respectively. Porter Airlines is priced at 56% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $150. Porter Airlines flights start at $156 while deals on United Airlines start at $189 one-way.

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

    The top 3 most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to Boston are Emirates (67%), Air Canada (67%) and TAP AIR PORTUGAL (63%).

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

    On average you can expect to pay $380 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Boston. The cheapest flight overall is $149 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Boston Logan Intl) is currently priced at $224.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Boston 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 Montreal Pierre Elliott Trudeau Intl Airport to Boston?

    Currently, March is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Boston (average of $340). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Boston in September is currently the most expensive (average of $417). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Seabrook
Warwick
Peabody
York Beach
Londonderry
Swansea
Old Orchard Beach
Lincoln
Quincy
Waltham
Lowell

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.

Top 3 airlines flying from Pierre Elliott Trudeau Intl to Boston

Discover the top 3 airlines that operate flights from Pierre Elliott Trudeau Intl to Boston. 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 April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$162Average$317FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$241Average$500FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$261Average$382FlexibilityNo cancel feeOn-time67%

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.