$98+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YUL
Aug 6 — Aug 131
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
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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 June or July, booked 80 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 July 7, 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 July 7, 2026.
This Mytrip deal was found by Cheapflights users on 7/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:40 am
BOS
- YUL
Nonstop1h 23m
Air Canada
Sat 9/52:30 pm
YUL
- BOS
1 stop4h 27m
Air Canada
Deal found 7/7![Air Canada logo]()
$187
This Gotogate deal was found by Cheapflights users on 7/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:45 am
BOS
- YUL
Nonstop1h 30m
Air Canada
Mon 9/710:40 am
YUL
- BOS
2 stops8h 17m
Air Canada
Deal found 7/5![Air Canada logo]()
$204
This Flightnetwork deal was found by Cheapflights users on 7/5. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/172:45 pm
BOS
- YUL
2 stops7h 35m
Air Canada
Fri 8/2110:40 am
YUL
- BOS
2 stops8h 17m
Air Canada
Deal found 7/5![Air Canada logo]()
$219
This Mytrip deal was found by Cheapflights users on 7/2. 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 8/152:45 pm
BOS
- YUL
2 stops7h 35m
Air Canada
Sat 8/2210:40 am
YUL
- BOS
2 stops8h 17m
Air Canada
Deal found 7/2![Air Canada logo]()
$220
This Flightnetwork deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:45 pm
BOS
- YUL
2 stops7h 35m
Air Canada
Sun 8/3010:40 am
YUL
- BOS
2 stops8h 17m
Air Canada
Deal found 7/2![Air Canada logo]()
$221
This Flightnetwork deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:45 pm
BOS
- YUL
2 stops7h 35m
Air Canada
Fri 8/2810:40 am
YUL
- BOS
2 stops8h 17m
Air Canada
Deal found 7/3![Air Canada logo]()
$222
This Gotogate deal was found by Cheapflights users on 7/3. 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.
Mon 8/1710:40 am
BOS
- YUL
Nonstop1h 23m
Air Canada
Mon 8/242:30 pm
YUL
- BOS
1 stop4h 27m
Air Canada
Deal found 7/3![Air Canada logo]()
$223
This Flightnetwork deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:45 am
BOS
- YUL
Nonstop1h 30m
Air Canada
Sat 8/18:00 pm
YUL
- BOS
Nonstop1h 27m
Air Canada
Deal found 7/2![Air Canada logo]()
$224
This Flightnetwork deal was found by Cheapflights users on 7/7. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:45 pm
BOS
- YUL
2 stops7h 35m
Air Canada
Fri 8/142:30 pm
YUL
- BOS
1 stop4h 27m
Air Canada
Deal found 7/7![Air Canada logo]()
$225
This Flybillet deal was found by Cheapflights users on 7/2. 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.
Sat 7/182:45 pm
BOS
- YUL
2 stops7h 35m
Air Canada
Mon 7/202:30 pm
YUL
- BOS
1 stop4h 22m
Air Canada
Deal found 7/2![Air Canada logo]()
$227
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 July 7, 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 July 7, 2026.
This Air Canada deal was found by Cheapflights users on 7/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:45 am
BOS
- YUL
Nonstop1h 30m
Air Canada
Thu 7/238:20 am
YUL
- BOS
Nonstop1h 25m
Air Canada
Deal found 7/6![Air Canada logo]()
$264
This Porter Airlines deal was found by Cheapflights users on 7/6. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:45 pm
BOS
- YUL
Nonstop1h 30m
Porter Airlines
Fri 8/287:20 pm
YUL
- BOS
Nonstop1h 35m
Porter Airlines
Deal found 7/6![Porter Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/16:50 pm
BOS
- YUL
Nonstop1h 36m
United Airlines
Sun 8/28:25 am
YUL
- BOS
Nonstop1h 25m
United Airlines
Deal found 7/2![United Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 7/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:00 am
BOS
- YUL
1 stop7h 54m
Delta
Fri 8/286:00 am
YUL
- BOS
2 stops10h 33m
Delta
Deal found 7/4![Delta logo]()
$462
This Porter Airlines deal was found by Cheapflights users on 7/3. 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.
Sun 8/27:10 am
BOS
- YUL
1 stop5h 00m
Porter Airlines
Sat 8/87:20 pm
YUL
- BOS
Nonstop1h 35m
Porter Airlines
Deal found 7/3![Porter Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 7/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:00 pm
BOS
- YUL
2 stops11h 30m
Delta
Wed 8/129:30 am
YUL
- BOS
1 stop3h 51m
Delta
Deal found 7/5![Delta logo]()
$462
This Delta deal was found by Cheapflights users on 7/3. 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.
Tue 8/1112:00 pm
BOS
- YUL
2 stops11h 30m
Delta
Tue 8/189:30 am
YUL
- BOS
1 stop3h 51m
Delta
Deal found 7/3![Delta logo]()
$462
This Porter Airlines deal was found by Cheapflights users on 7/2. 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 8/183:55 pm
BOS
- YUL
2 stops8h 42m
Porter Airlines
Sun 8/2310:35 am
YUL
- BOS
1 stop6h 11m
Porter Airlines
Deal found 7/2![Porter Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 7/6. 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 9/211:00 am
BOS
- YUL
1 stop7h 54m
Delta
Sun 9/66:00 am
YUL
- BOS
2 stops10h 33m
Delta
Deal found 7/6![Delta logo]()
$483
This Porter Airlines deal was found by Cheapflights users on 7/4. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:55 pm
BOS
- YUL
2 stops8h 42m
Porter Airlines
Sat 8/1510:35 am
YUL
- BOS
1 stop6h 11m
Porter Airlines
Deal found 7/4![Porter Airlines logo]()
$534
This Delta deal was found by Cheapflights users on 7/2. 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 9/57:00 am
BOS
- YUL
1 stop6h 39m
Delta
Tue 9/86:00 am
YUL
- BOS
2 stops11h 31m
Delta
Deal found 7/2![Delta logo]()
$519
Last-minute flights from Boston to Pierre Elliott Trudeau IntlDiscover last-minute flight deals from Boston to Pierre Elliott Trudeau Intl. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Pierre Elliott Trudeau Intl. Data last updated July 7, 2026 and is based on user searches.
This Flybillet deal was found by Cheapflights users on 7/2. 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.
Sat 7/182:45 pm
BOS
- YUL
2 stops7h 35m
Air Canada
Mon 7/202:30 pm
YUL
- BOS
1 stop4h 22m
Air Canada
Deal found 7/2![Air Canada logo]()
$227
This Flightnetwork deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:45 am
BOS
- YUL
Nonstop1h 30m
Air Canada
Sat 8/18:00 pm
YUL
- BOS
Nonstop1h 27m
Air Canada
Deal found 7/2![Air Canada logo]()
$224
This Flightnetwork deal was found by Cheapflights users on 7/7. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:45 pm
BOS
- YUL
2 stops7h 35m
Air Canada
Fri 8/142:30 pm
YUL
- BOS
1 stop4h 27m
Air Canada
Deal found 7/7![Air Canada logo]()
$225
This Mytrip deal was found by Cheapflights users on 7/2. 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 8/152:45 pm
BOS
- YUL
2 stops7h 35m
Air Canada
Sat 8/2210:40 am
YUL
- BOS
2 stops8h 17m
Air Canada
Deal found 7/2![Air Canada logo]()
$220
This CheapTickets deal was found by Cheapflights users on 7/2. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:10 am
BOS
- YUL
1 stop5h 00m
Porter Airlines
Sun 8/2310:35 am
YUL
- BOS
1 stop6h 11m
Porter Airlines
Deal found 7/2![Porter Airlines logo]()
$229
This Flightnetwork deal was found by Cheapflights users on 7/5. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/172:45 pm
BOS
- YUL
2 stops7h 35m
Air Canada
Fri 8/2110:40 am
YUL
- BOS
2 stops8h 17m
Air Canada
Deal found 7/5![Air Canada logo]()
$219
This Gotogate deal was found by Cheapflights users on 7/3. 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.
Mon 8/1710:40 am
BOS
- YUL
Nonstop1h 23m
Air Canada
Mon 8/242:30 pm
YUL
- BOS
1 stop4h 27m
Air Canada
Deal found 7/3![Air Canada logo]()
$223
This Flightnetwork deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:45 pm
BOS
- YUL
2 stops7h 35m
Air Canada
Fri 8/2810:40 am
YUL
- BOS
2 stops8h 17m
Air Canada
Deal found 7/3![Air Canada logo]()
$222
This Flightnetwork deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:45 pm
BOS
- YUL
2 stops7h 35m
Air Canada
Sun 8/3010:40 am
YUL
- BOS
2 stops8h 17m
Air Canada
Deal found 7/2![Air Canada logo]()
$221
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 July 7, 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 July 7, 2026.
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Tue 8/49:35 am
BOS
- YUL
1 stop4h 12m
Air Canada
Deal found 7/2![Air Canada logo]()
$98
This eDestinos deal was found by Cheapflights users on 7/4. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:10 am
BOS
- YUL
1 stop5h 00m
Porter Airlines
Deal found 7/4![Porter Airlines logo]()
$99
This Mytrip deal was found by Cheapflights users on 7/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:45 am
BOS
- YUL
Nonstop1h 30m
Air Canada
Deal found 7/5![Air Canada logo]()
$100
This Mytrip deal was found by Cheapflights users on 7/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:45 pm
BOS
- YUL
Nonstop1h 30m
Porter Airlines
Deal found 7/5![Porter Airlines logo]()
$101
This Trip.com deal was found by Cheapflights users on 7/3. 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 7/264:45 pm
BOS
- YUL
Nonstop1h 30m
Porter Airlines
Deal found 7/3![Porter Airlines logo]()
$104
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Wed 8/55:30 pm
BOS
- YUL
1 stop4h 40m
Porter Airlines
Deal found 7/2![Porter Airlines logo]()
$105
This Air Canada deal was found by Cheapflights users on 7/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:50 pm
BOS
- YUL
Nonstop1h 36m
Air Canada
Deal found 7/6![Air Canada logo]()
$106
This Mytrip deal was found by Cheapflights users on 7/3. 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 8/14:45 pm
BOS
- YUL
Nonstop1h 30m
Porter Airlines
Deal found 7/3![Porter Airlines logo]()
$107
This Trip.com deal was found by Cheapflights users on 7/3. 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 8/317:10 am
BOS
- YUL
1 stop5h 00m
Porter Airlines
Deal found 7/3![Porter Airlines logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Sun 8/304:45 pm
BOS
- YUL
Nonstop1h 30m
Porter Airlines
Deal found 7/3![Porter Airlines logo]()
$109
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 July 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $204 (Gotogate) |
One-way from | $98 (Mytrip) |
Popular in | November |
Cheapest in | June |
Average price | $367 |
Good round-trip deal | $441 or less |
Good one-way deal | $214 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 2,558,603 searches. Data last updated July 7, 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
Quickest round-trip
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Mon 7/20
5:45 am-7:15 am
Nonstop1h 30m
Montreal Pierre Elliott Trudeau Intl
Thu 7/23
8:20 am-9:45 am
Nonstop1h 25m
$264
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Fri 8/21
4:45 pm-6:15 pm
Nonstop1h 30m
Montreal Pierre Elliott Trudeau Intl
Fri 8/28
7:20 pm-8:55 pm
Nonstop1h 35m
$275
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Sun 8/2
7:10 am-12:10 pm
1 stop5h 00m
Montreal Pierre Elliott Trudeau Intl
Sat 8/8
7:20 pm-8:55 pm
Nonstop1h 35m
$286
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Sat 8/1
6:50 pm-8:26 pm
Nonstop1h 36m
Montreal Pierre Elliott Trudeau Intl
Sun 8/2
8:25 am-9:50 am
Nonstop1h 25m
$393
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Mon 8/24
11:00 am-6:54 pm
1 stop7h 54m
Montreal Pierre Elliott Trudeau Intl
Fri 8/28
6:00 am-4:33 pm
2 stops10h 33m
$462
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Wed 8/5
12:00 pm-11:30 pm
2 stops11h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 8/12
9:30 am-1:21 pm
1 stop3h 51m
$462
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Tue 8/11
12:00 pm-11:30 pm
2 stops11h 30m
Montreal Pierre Elliott Trudeau Intl
Tue 8/18
9:30 am-1:21 pm
1 stop3h 51m
$462
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Wed 9/2
11:00 am-6:54 pm
1 stop7h 54m
Montreal Pierre Elliott Trudeau Intl
Sun 9/6
6:00 am-4:33 pm
2 stops10h 33m
$483
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Tue 8/18
3:55 pm-12:37 am
2 stops8h 42m
Montreal Pierre Elliott Trudeau Intl
Sun 8/23
10:35 am-4:46 pm
1 stop6h 11m
$493
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Sat 9/5
7:00 am-1:39 pm
1 stop6h 39m
Montreal Pierre Elliott Trudeau Intl
Tue 9/8
6:00 am-5:31 pm
2 stops11h 31m
$519
Showing 1-10 of 23 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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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.
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Everything you need to know about your flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport
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Airlines
How far ahead should I book a flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport?
Booking 79 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, June is the cheapest month in which you can book a flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport (average of $341). Flying from Boston to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of $496). 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 July 7, 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 July 7, 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
Entertainment
6.9
Boarding
8.2
Overall
7.9
Food
7.5
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Crew
8.6
Entertainment
6.9
Boarding
8.2
Overall
7.9
Food
7.5
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Crew
8.6
Entertainment
6.9
Boarding
8.2
Overall
7.9
Food
7.5
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Crew
8.6
Entertainment
6.9
Boarding
8.2
Overall
7.9
Food
7.5
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
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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Boston and Pierre Elliott Trudeau Intl flights
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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 2,558,603 searches. Data last updated July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$293 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$190 | Average$419 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$197 | Average$496 | FlexibilityNo cancel fee | On-time69% |