$116+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YUL
Sep 23 — Sep 301
Round-trip
1 adult, Economy
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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 August or July, booked 74 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Boston to Pierre Elliott Trudeau Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to Pierre Elliott Trudeau IntlExplore 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 August 24, 2026.
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 August 24, 2026.
This Vliegwinkel deal was found by Cheapflights users on 8/20. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:30 pm -
1 stop4h 42m
Mon 9/1412:00 pm -
1 stop5h 25m
Deal found 8/20![Porter Airlines logo]()
$255
This Gotogate deal was found by Cheapflights users on 8/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:50 am -
Nonstop1h 25m
Sun 9/208:00 pm -
Nonstop1h 26m
Deal found 8/24![Air Canada logo]()
$261
This Air Canada deal was found by Cheapflights users on 8/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:40 pm -
1 stop15h 05m
Wed 9/161:15 pm -
Nonstop1h 26m
Deal found 8/21![Air Canada logo]()
$264
This Vliegwinkel deal was found by Cheapflights users on 8/20. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:50 am -
Nonstop1h 25m
Mon 9/1412:00 pm -
1 stop5h 25m
Deal found 8/20![Multiple Airlines logo]()
$265
This Trip.com deal was found by Cheapflights users on 8/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:10 am -
1 stop7h 02m
Wed 9/2312:00 pm -
1 stop5h 25m
Deal found 8/19![Porter Airlines logo]()
$266
This flugladen.de deal was found by Cheapflights users on 8/21. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:30 pm -
1 stop4h 42m
Mon 9/1412:00 pm -
1 stop5h 25m
Deal found 8/21![Porter Airlines logo]()
$267
This Trip.com deal was found by Cheapflights users on 8/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:00 am -
1 stop4h 15m
Tue 9/226:30 am -
1 stop4h 00m
Deal found 8/23![Porter Airlines logo]()
$268
This Trip.com deal was found by Cheapflights users on 8/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:00 am -
1 stop4h 15m
Mon 9/216:30 am -
1 stop4h 00m
Deal found 8/23![Porter Airlines logo]()
$269
This Flybillet deal was found by Cheapflights users on 8/20. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:50 am -
Nonstop1h 25m
Mon 9/148:00 pm -
Nonstop1h 26m
Deal found 8/20![Air Canada logo]()
$270
This Trip.com deal was found by Cheapflights users on 8/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:10 am -
1 stop7h 02m
Mon 9/141:00 pm -
1 stop5h 57m
Deal found 8/21![Multiple Airlines logo]()
$272
Best flights from Boston to Pierre Elliott Trudeau IntlDiscover carefully curated flight deals from Boston to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.
Discover carefully curated flight deals from Boston to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.
This United deal was found by Cheapflights users on 8/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:21 pm -
1 stop14h 19m
Wed 9/231:15 pm -
Nonstop1h 26m
Deal found 8/20![Multiple Airlines logo]()
$299
This Porter Airlines deal was found by Cheapflights users on 8/23. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:10 am -
1 stop7h 02m
Wed 9/1612:00 pm -
1 stop5h 25m
Deal found 8/23![Porter Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
1 stop10h 10m
Sun 9/209:15 am -
1 stop14h 44m
Deal found 8/20![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:30 am -
1 stop5h 39m
Mon 9/146:00 am -
1 stop6h 47m
Deal found 8/19![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 8/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:30 am -
1 stop5h 10m
Mon 9/1411:23 am -
1 stop6h 29m
Deal found 8/22![United Airlines logo]()
$346
This United deal was found by Cheapflights users on 8/21. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:33 am -
1 stop6h 37m
Tue 9/151:15 pm -
Nonstop1h 26m
Deal found 8/21![Multiple Airlines logo]()
$410
This Porter Airlines deal was found by Cheapflights users on 8/22. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am -
1 stop4h 15m
Wed 10/72:05 pm -
2 stops28h 30m
Deal found 8/22![Porter Airlines logo]()
$450
This United deal was found by Cheapflights users on 8/22. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:30 am -
1 stop8h 40m
Mon 9/148:00 pm -
Nonstop1h 26m
Deal found 8/22![Multiple Airlines logo]()
$421
This United deal was found by Cheapflights users on 8/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:31 am -
1 stop6h 29m
Sun 11/158:00 pm -
Nonstop1h 28m
Deal found 8/20![Multiple Airlines logo]()
$501
This United deal was found by Cheapflights users on 8/21. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am -
1 stop10h 10m
Mon 10/198:00 pm -
Nonstop1h 26m
Deal found 8/21![Multiple Airlines logo]()
$501
Last-minute flights from Boston to Pierre Elliott Trudeau IntlDiscover last-minute flight deals from Boston to Pierre Elliott Trudeau Intl. Data last updated August 24, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Pierre Elliott Trudeau Intl. Data last updated August 24, 2026 and is based on user searches.
This Vliegwinkel deal was found by Cheapflights users on 8/20. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:30 pm -
1 stop4h 42m
Mon 9/1412:00 pm -
1 stop5h 25m
Deal found 8/20![Porter Airlines logo]()
$255
This Vliegwinkel deal was found by Cheapflights users on 8/20. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:50 am -
Nonstop1h 25m
Mon 9/1412:00 pm -
1 stop5h 25m
Deal found 8/20![Multiple Airlines logo]()
$265
This Flybillet deal was found by Cheapflights users on 8/20. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:50 am -
Nonstop1h 25m
Mon 9/148:00 pm -
Nonstop1h 26m
Deal found 8/20![Air Canada logo]()
$270
This flugladen.de deal was found by Cheapflights users on 8/21. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:30 pm -
1 stop4h 42m
Mon 9/1412:00 pm -
1 stop5h 25m
Deal found 8/21![Porter Airlines logo]()
$267
This Trip.com deal was found by Cheapflights users on 8/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:10 am -
1 stop7h 02m
Mon 9/141:00 pm -
1 stop5h 57m
Deal found 8/21![Multiple Airlines logo]()
$272
This Air Canada deal was found by Cheapflights users on 8/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:40 pm -
1 stop15h 05m
Wed 9/161:15 pm -
Nonstop1h 26m
Deal found 8/21![Air Canada logo]()
$264
This Trip.com deal was found by Cheapflights users on 8/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:10 am -
1 stop7h 02m
Wed 9/2312:00 pm -
1 stop5h 25m
Deal found 8/19![Porter Airlines logo]()
$266
This Gotogate deal was found by Cheapflights users on 8/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:50 am -
Nonstop1h 25m
Sun 9/208:00 pm -
Nonstop1h 26m
Deal found 8/24![Air Canada logo]()
$261
This Trip.com deal was found by Cheapflights users on 8/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:00 am -
1 stop4h 15m
Mon 9/216:30 am -
1 stop4h 00m
Deal found 8/23![Porter Airlines logo]()
$269
This Trip.com deal was found by Cheapflights users on 8/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:00 am -
1 stop4h 15m
Tue 9/226:30 am -
1 stop4h 00m
Deal found 8/23![Porter Airlines logo]()
$268
One-way flights from Boston to Pierre Elliott Trudeau IntlSearch for one-way flight options from Boston to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.
Search for one-way flight options from Boston to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.
This Air Canada deal was found by Cheapflights users on 8/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:50 am -
Nonstop1h 25m
Deal found 8/24![Air Canada logo]()
$116
This Trip.com deal was found by Cheapflights users on 8/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:10 am -
1 stop7h 02m
Deal found 8/22![Porter Airlines logo]()
$117
This Trip.com deal was found by Cheapflights users on 8/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:30 pm -
1 stop4h 42m
Deal found 8/19![Porter Airlines logo]()
$119
This Trip.com deal was found by Cheapflights users on 8/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:00 am -
1 stop4h 15m
Deal found 8/22![Porter Airlines logo]()
$120
This Mytrip deal was found by Cheapflights users on 8/21. 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 9/277:00 am -
1 stop4h 15m
Deal found 8/21![Porter Airlines logo]()
$121
This Mytrip deal was found by Cheapflights users on 8/19. 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 9/114:30 pm -
1 stop4h 42m
Deal found 8/19![Porter Airlines logo]()
$122
This Trip.com deal was found by Cheapflights users on 8/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:50 am -
Nonstop1h 25m
Deal found 8/22![Air Canada logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/104:30 pm -
1 stop4h 42m
Deal found 8/19![Porter Airlines logo]()
$128
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:00 am -
1 stop4h 15m
Deal found 8/20![Porter Airlines logo]()
$129
This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:50 am -
Nonstop1h 25m
Deal found 8/19![Air Canada logo]()
$133
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 August 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $255 (Vliegwinkel) |
One-way from | $117 (Trip.com) |
Popular in | November |
Cheapest in | August |
Average price | $321 |
Good round-trip deal | $428 or less |
Good one-way deal | $208 or less |
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 7,457,451 searches. Data last updated August 24, 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
Cheapest round-trip
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Tue 9/22
8:21 pm-10:40 am
1 stop14h 19m
Montreal Pierre Elliott Trudeau Intl
Wed 9/23
1:15 pm-2:41 pm
Nonstop1h 26m
$299
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Tue 9/15
11:10 am-6:12 pm
1 stop7h 02m
Montreal Pierre Elliott Trudeau Intl
Wed 9/16
12:00 pm-5:25 pm
1 stop5h 25m
$330
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Thu 9/17
6:00 am-4:10 pm
1 stop10h 10m
Montreal Pierre Elliott Trudeau Intl
Sun 9/20
9:15 am-11:59 pm
1 stop14h 44m
$344
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Thu 9/10
7:30 am-1:09 pm
1 stop5h 39m
Montreal Pierre Elliott Trudeau Intl
Mon 9/14
6:00 am-12:47 pm
1 stop6h 47m
$345
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Sat 9/12
9:30 am-2:40 pm
1 stop5h 10m
Montreal Pierre Elliott Trudeau Intl
Mon 9/14
11:23 am-5:52 pm
1 stop6h 29m
$346
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Thu 9/10
9:33 am-4:10 pm
1 stop6h 37m
Montreal Pierre Elliott Trudeau Intl
Tue 9/15
1:15 pm-2:41 pm
Nonstop1h 26m
$410
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Fri 9/11
7:30 am-4:10 pm
1 stop8h 40m
Montreal Pierre Elliott Trudeau Intl
Mon 9/14
8:00 pm-9:26 pm
Nonstop1h 26m
$421
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Wed 10/7
7:00 am-11:15 am
1 stop4h 15m
Montreal Pierre Elliott Trudeau Intl
Wed 10/7
2:05 pm-6:35 pm
2 stops28h 30m
$450
Quickest round-trip
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Sat 11/14
7:31 am-2:00 pm
1 stop6h 29m
Montreal Pierre Elliott Trudeau Intl
Sun 11/15
8:00 pm-9:28 pm
Nonstop1h 28m
$501
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Fri 10/16
6:00 am-4:10 pm
1 stop10h 10m
Montreal Pierre Elliott Trudeau Intl
Mon 10/19
8:00 pm-9:26 pm
Nonstop1h 26m
$501
Showing 1-10 of 22 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
BOS-YUL
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
Prices
Airlines
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, August is the cheapest month in which you can book a flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport (average of $321). Flying from Boston to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of $502). 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 August 24, 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.
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
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 August 24, 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.
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Food
7.6
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentRegan,Aug 2026
YYZ - YVR
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Food
7.6
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentRegan,Aug 2026
YYZ - YVR
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Food
7.6
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentRegan,Aug 2026
YYZ - YVR
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Food
7.6
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentRegan,Aug 2026
YYZ - YVR
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.
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 locationsLongueuil
Laval
Dorval
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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 7,457,451 searches. Data last updated August 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$302 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$181 | Average$417 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$197 | Average$523 | FlexibilityNo cancel fee | On-time69% |