$121+ Cheap flights from Boston (BOS) to Pierre Elliott Trudeau Intl (YUL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YUL
Nov 8 — Nov 151
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 October 9, 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 October 9, 2026.
This Air Canada deal was found by Cheapflights users on 10/5. 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.
Mon 10/265:30 am -
Nonstop1h 25m
Fri 10/305:30 pm -
Nonstop1h 32m
Deal found 10/5![Air Canada logo]()
$271
This Trip.com deal was found by Cheapflights users on 10/4. 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 10/294:35 pm -
1 stop5h 35m
Sat 10/312:15 pm -
1 stop4h 55m
Deal found 10/4![Porter Airlines logo]()
$276
This Booking.com deal was found by Cheapflights users on 10/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:25 am -
Nonstop1h 25m
Fri 11/205:30 pm -
Nonstop1h 32m
Deal found 10/7![Air Canada logo]()
$279
This Trip.com deal was found by Cheapflights users on 10/4. 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 10/285:25 pm -
1 stop4h 55m
Sat 10/312:15 pm -
1 stop4h 55m
Deal found 10/4![Porter Airlines logo]()
$283
This Booking.com deal was found by Cheapflights users on 10/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:45 am -
1 stop5h 40m
Sun 11/18:35 am -
Nonstop1h 28m
Deal found 10/7![Air Canada logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Mon 11/24:35 pm -
1 stop5h 35m
Wed 11/112:15 pm -
1 stop4h 55m
Deal found 10/8![Porter Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/64:35 pm -
1 stop5h 35m
Wed 11/112:15 pm -
1 stop4h 55m
Deal found 10/8![Porter Airlines logo]()
$287
This FlightHub deal was found by Cheapflights users on 10/5. 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.
Mon 10/265:25 pm -
1 stop4h 55m
Sat 10/319:45 am -
1 stop6h 07m
Deal found 10/5![Porter Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Tue 11/35:25 pm -
1 stop4h 52m
Mon 11/92:15 pm -
1 stop4h 55m
Deal found 10/8![Porter Airlines logo]()
$289
This Air Canada deal was found by Cheapflights users on 10/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:45 pm -
1 stop7h 00m
Mon 12/145:10 pm -
1 stop5h 27m
Deal found 10/9![Air Canada logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Mon 11/24:35 pm -
1 stop5h 35m
Mon 11/92:15 pm -
1 stop4h 55m
Deal found 10/8![Porter Airlines logo]()
$291
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 October 9, 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 October 9, 2026.
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
1 stop7h 37m
Wed 10/282:28 pm -
1 stop8h 52m
Deal found 10/7![Delta logo]()
$453
This United deal was found by Cheapflights users on 10/5. 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 10/295:30 am -
Nonstop1h 25m
Sun 11/11:25 pm -
Nonstop1h 28m
Deal found 10/5![Multiple Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/297:20 am -
1 stop6h 08m
Sun 11/18:35 am -
Nonstop1h 28m
Deal found 10/5![United Airlines logo]()
$638
This Delta deal was found by Cheapflights users on 10/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/510:45 am -
2 stops13h 03m
Thu 12/102:20 pm -
2 stops18h 20m
Deal found 10/6![Delta logo]()
$531
This Delta deal was found by Cheapflights users on 10/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:00 pm -
1 stop4h 58m
Sun 11/229:30 am -
1 stop3h 51m
Deal found 10/6![Delta logo]()
$546
This United deal was found by Cheapflights users on 10/8. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/303:31 pm -
1 stop6h 11m
Sun 1/38:20 am -
Nonstop1h 28m
Deal found 10/8![Multiple Airlines logo]()
$683
This United deal was found by Cheapflights users on 10/8. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/69:30 am -
1 stop5h 46m
Thu 1/78:20 am -
Nonstop1h 28m
Deal found 10/8![Multiple Airlines logo]()
$683
This Delta deal was found by Cheapflights users on 10/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:00 am -
2 stops13h 25m
Tue 11/106:00 am -
2 stops11h 25m
Deal found 10/6![Delta logo]()
$658
This Delta deal was found by Cheapflights users on 10/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:00 pm -
2 stops9h 33m
Fri 12/116:00 am -
2 stops10h 22m
Deal found 10/6![Delta logo]()
$690
Last-minute flights from Boston to Pierre Elliott Trudeau IntlDiscover last-minute flight deals from Boston to Pierre Elliott Trudeau Intl. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Pierre Elliott Trudeau Intl. Data last updated October 9, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 10/5. 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.
Mon 10/265:30 am -
Nonstop1h 25m
Fri 10/305:30 pm -
Nonstop1h 32m
Deal found 10/5![Air Canada logo]()
$271
This FlightHub deal was found by Cheapflights users on 10/5. 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.
Mon 10/265:25 pm -
1 stop4h 55m
Sat 10/319:45 am -
1 stop6h 07m
Deal found 10/5![Porter Airlines logo]()
$288
This Trip.com deal was found by Cheapflights users on 10/4. 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 10/285:25 pm -
1 stop4h 55m
Sat 10/312:15 pm -
1 stop4h 55m
Deal found 10/4![Porter Airlines logo]()
$283
This Trip.com deal was found by Cheapflights users on 10/4. 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 10/294:35 pm -
1 stop5h 35m
Sat 10/312:15 pm -
1 stop4h 55m
Deal found 10/4![Porter Airlines logo]()
$276
This Booking.com deal was found by Cheapflights users on 10/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:45 am -
1 stop5h 40m
Sun 11/18:35 am -
Nonstop1h 28m
Deal found 10/7![Air Canada logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Mon 11/24:35 pm -
1 stop5h 35m
Wed 11/112:15 pm -
1 stop4h 55m
Deal found 10/8![Porter Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Mon 11/24:35 pm -
1 stop5h 35m
Thu 11/52:15 pm -
1 stop4h 55m
Deal found 10/8![Porter Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Mon 11/24:35 pm -
1 stop5h 35m
Mon 11/92:15 pm -
1 stop4h 55m
Deal found 10/8![Porter Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Tue 11/35:25 pm -
1 stop4h 52m
Mon 11/92:15 pm -
1 stop4h 55m
Deal found 10/8![Porter Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/64:35 pm -
1 stop5h 35m
Wed 11/112:15 pm -
1 stop4h 55m
Deal found 10/8![Porter Airlines logo]()
$287
This Booking.com deal was found by Cheapflights users on 10/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:25 am -
Nonstop1h 25m
Fri 11/205:30 pm -
Nonstop1h 32m
Deal found 10/7![Air Canada logo]()
$279
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 October 9, 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 October 9, 2026.
This Air Canada deal was found by Cheapflights users on 10/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:35 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Air Canada logo]()
$121
This Air Canada deal was found by Cheapflights users on 10/7. 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.
Wed 10/285:30 am -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Air Canada logo]()
$122
This Air Canada deal was found by Cheapflights users on 10/5. 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 10/275:45 am -
1 stop5h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Air Canada logo]()
$123
This Mytrip deal was found by Cheapflights users on 10/8. 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.
Sat 11/79:35 am -
2 stops9h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Air Canada logo]()
$125
This Gotogate deal was found by Cheapflights users on 10/7. 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.
Wed 10/285:25 pm -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Porter Airlines logo]()
$128
This FlightHub deal was found by Cheapflights users on 10/5. 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.
Fri 10/305:25 pm -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Porter Airlines logo]()
$131
This FlightHub deal was found by Cheapflights users on 10/6. 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 10/274:35 pm -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Porter Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 10/294:35 pm -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Porter Airlines logo]()
$135
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 October 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (Air Canada) |
One-way from | $121 (Air Canada) |
Popular in | November |
Cheapest in | August |
Average price | $407 |
Good round-trip deal | $483 or less |
Good one-way deal | $177 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 October 9, 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
Fri 11/20
2:00 pm-6:50 pm
1 stop4h 50m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$244
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Thu 12/10
2:00 pm-6:54 pm
1 stop4h 54m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$244
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Wed 11/4
1:00 pm-6:58 pm
1 stop5h 58m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$253
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Tue 10/20
10:50 am-5:51 pm
1 stop7h 01m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$273
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Fri 12/4
10:27 am-10:48 pm
2 stops12h 21m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$273
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Wed 11/18
7:00 am-6:58 pm
1 stop11h 58m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$273
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Sat 11/14
7:00 am-11:27 pm
2 stops16h 27m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$278
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Tue 1/5
8:50 am-1:28 pm
1 stop4h 38m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$288
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Sun 11/8
6:00 am-2:00 pm
1 stop8h 00m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$288
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Mon 2/8
10:35 am-9:42 pm
1 stop11h 07m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$288
Showing 1-10 of 20 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 October.
| 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 $322). Flying from Boston to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of $544). 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 October 9, 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 October 9, 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.
Comfort
8.0
Entertainment
7.0
Crew
8.6
Overall
8.0
Food
7.6
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Entertainment
7.0
Crew
8.6
Overall
8.0
Food
7.6
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Entertainment
7.0
Crew
8.6
Overall
8.0
Food
7.6
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Entertainment
7.0
Crew
8.6
Overall
8.0
Food
7.6
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - 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 locationsCornwall
Longueuil
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 October 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$127 | Average$309 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$186 | Average$424 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$197 | Average$527 | FlexibilityNo cancel fee | On-time69% |