Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport from C$ 139

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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YUL
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl are usually found in February or March, booked 18 days in advance, depart on a Tuesday or Friday and return on a Friday

Cheap flight deals from Boston to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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 12 December 2025.

Wed 31/1210:20 a.m.BOS - YUL
1 stop5h 00mPorter Airlines
Mon 5/16:25 p.m.YUL - BOS
1 stop3h 40mPorter Airlines
Deal found 10/12C$ 445
Wed 31/1210:20 a.m.BOS - YUL
1 stop6h 55mPorter Airlines
Thu 8/110:45 a.m.YUL - BOS
1 stop4h 00mPorter Airlines
Deal found 10/12C$ 456
Wed 31/127:00 a.m.BOS - YUL
1 stop5h 45mPorter Airlines
Fri 2/18:55 a.m.YUL - BOS
1 stop3h 45mPorter Airlines
Deal found 10/12C$ 470
Tue 30/121:25 p.m.BOS - YUL
1 stop4h 20mPorter Airlines
Tue 6/11:40 p.m.YUL - BOS
1 stop6h 50mPorter Airlines
Deal found 10/12C$ 491
Tue 30/121:25 p.m.BOS - YUL
1 stop4h 20mPorter Airlines
Fri 2/18:55 a.m.YUL - BOS
1 stop3h 45mPorter Airlines
Deal found 10/12C$ 516
Tue 30/121:25 p.m.BOS - YUL
1 stop4h 20mPorter Airlines
Mon 5/16:25 p.m.YUL - BOS
1 stop3h 40mPorter Airlines
Deal found 10/12C$ 519
Sun 28/127:00 a.m.BOS - YUL
1 stop6h 00mPorter Airlines
Mon 5/16:25 p.m.YUL - BOS
1 stop3h 40mPorter Airlines
Deal found 10/12C$ 520
Sat 27/127:00 a.m.BOS - YUL
1 stop8h 20mPorter Airlines
Tue 3/24:00 p.m.YUL - BOS
1 stop4h 30mPorter Airlines
Deal found 10/12C$ 523
Wed 31/125:30 a.m.BOS - YUL
Nonstop1h 25mMultiple Airlines
Thu 8/14:00 p.m.YUL - BOS
1 stop4h 30mMultiple Airlines
Deal found 10/12C$ 527
Tue 30/1210:20 a.m.BOS - YUL
1 stop5h 00mPorter Airlines
Tue 30/126:25 p.m.YUL - BOS
1 stop3h 40mPorter Airlines
Deal found 10/12C$ 531
Tue 16/128:11 p.m.BOS - YUL
1 stop28h 19mMultiple Airlines
Tue 30/128:55 a.m.YUL - BOS
1 stop3h 45mMultiple Airlines
Deal found 10/12C$ 532

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 12 December 2025.

Round-trip from

C$ 432

One-way from

C$ 139

Popular in

November

Cheapest in

February

Average price

C$ 612

Good one-way deal

C$ 251 or less
6/1-12/1
  • 6/1-12/1
  • 3 total stops
  • 36h 53m total
  • Boston to Montreal
Search Deals
27/1
  • 27/1
  • 2 total stops
  • 25h 17m total
  • Boston to Montreal
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 629,999 searches. Data last updated 12 December 2025.
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

Boston

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Fri 16/1

9:00 a.m.-3:15 p.m.

1 stop6h 15m

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

8:00 a.m.-2:38 p.m.

2 stops30h 38m

C$ 443

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 8/1

9:00 a.m.-3:15 p.m.

1 stop6h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

8:05 a.m.-9:32 a.m.

Nonstop1h 27m

C$ 452

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Mon 26/1

5:34 a.m.-12:35 a.m.

3 stops19h 01m

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

5:10 p.m.-2:38 p.m.

2 stops21h 28m

C$ 454

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 8/1

5:30 a.m.-6:55 a.m.

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

8:05 a.m.-9:32 a.m.

Nonstop1h 27m

C$ 474

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Fri 23/1

1:30 p.m.-5:45 p.m.

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

1:40 p.m.-8:30 p.m.

1 stop6h 50m

C$ 487

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Fri 20/2

3:30 p.m.-12:38 a.m.

2 stops9h 08m

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

6:25 p.m.-10:05 p.m.

1 stop3h 40m

C$ 498

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sun 1/2

11:50 a.m.-6:45 p.m.

1 stop6h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

4:00 p.m.-8:30 p.m.

1 stop4h 30m

C$ 517

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 21/4

8:30 a.m.-1:09 p.m.

1 stop4h 39m

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

4:55 p.m.-1:06 a.m.

1 stop8h 11m

C$ 541

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Mon 29/12

7:00 a.m.-3:20 p.m.

1 stop8h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 5/1

8:55 a.m.-12:40 p.m.

1 stop3h 45m

C$ 549

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 13/1

5:34 a.m.-12:35 a.m.

3 stops19h 01m

C$ 179

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 18 results
1
2

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?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Pierre Elliott Trudeau Intl. Price data was last updated on 5 December 2025.

To ensure you get the cheapest price possible for a flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport, you should look to book at least 18 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 Boston to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 126). Flying from Boston to Montreal Pierre Elliott Trudeau Intl Airport in October is currently the most expensive (average of C$ 425). 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 12 December 2025.

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?

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 12 December 2025.
Read reviews from past customers who have flown Porter Airlines and Air Canada from Boston to Montreal Pierre Elliott Trudeau Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
398 reviews
Check prices

Boarding

8.2

Food

7.6

Entertainment

7.0

Crew

8.6

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
398 reviews
Porter Airlines
8.0
Very good
398 reviews
Check prices

Boarding

8.2

Food

7.6

Entertainment

7.0

Crew

8.6

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,516 reviews
Porter Airlines
8.0
Very good
398 reviews
Check prices

Boarding

8.2

Food

7.6

Entertainment

7.0

Crew

8.6

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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?

    If you book a flight to Montreal Pierre Elliott Trudeau Intl from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 4.2 km from the centre of Boston. There are 7 flights from Logan Intl to Montreal Pierre Elliott Trudeau Intl per day from 2 different airlines.

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

    For as low as C$ 474, Air Canada can have you in Montreal Pierre Elliott Trudeau Intl Airport from Boston in 1h 25m. Airlines will cover a distance of 407 km. Most flights are nonstop.

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

    Air Canada, at C$ 231, was found to be the cheapest airline from Boston to Montreal Pierre Elliott Trudeau Intl Airport. An alternate airline flying to your destination would be Porter Airlines. Air Canada is currently priced 56% below the average price you’ll pay for this route.

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

    C$ 169 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from C$ 169 and C$ 177, respectively.

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

    Before booking your flight to Montreal Pierre Elliott Trudeau Intl Airport from Boston, check out the most reliable airlines to get you to your destination on time: United Airlines (69%), Jazz (67%), Air Canada( 65%).

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

    On average you can expect to pay C$ 253 for a flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 185 while the most popular route, (Boston Logan Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 401.

  • 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, March is the cheapest month in which you can book a flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 126). Flying from Boston to Montreal Pierre Elliott Trudeau Intl Airport in October is currently the most expensive (average of C$ 425). 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

Travelling 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
Dorval
Cornwall
Sherbrooke
Trois-Rivières
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Louiseville

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.
Hartford to Pierre Elliott Trudeau Intl flights
Albany to Pierre Elliott Trudeau Intl flights
New Bedford to Pierre Elliott Trudeau Intl flights
Provincetown to Pierre Elliott Trudeau Intl flights

Top 2 airlines flying from Boston to Pierre Elliott Trudeau Intl

Discover the top 2 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 629,999 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 235AverageC$ 526FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 419AverageC$ 562FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to Pierre Elliott Trudeau Intl?

Deals for Boston to Pierre Elliott Trudeau Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Boston to Pierre Elliott Trudeau Intl?

Cheapflights helps you find that perfect flight to Pierre Elliott Trudeau Intl from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Boston to Pierre Elliott Trudeau Intl with no change fees?

Yes, we can. To see specific flights from Boston to Pierre Elliott Trudeau Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Boston to Pierre Elliott Trudeau Intl become cheaper?

Not ready to book yet? You can track prices for flights from Boston to Pierre Elliott Trudeau Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.