$144+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Boston (BOS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — BOS
Sep 28 — Oct 51
Round-trip
1 adult, Economy
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Find cheap flights from Pierre Elliott Trudeau Intl to Boston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Boston Logan Intl are usually found in June or May, booked 65 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Pierre Elliott Trudeau Intl to Boston
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Best
Last-minute
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Cheapest flights from Pierre Elliott Trudeau Intl to BostonExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 29, 2026.
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 29, 2026.
This Gotogate deal was found by Cheapflights users on 8/29. 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.
Sat 9/196:30 am -
1 stop4h 00m
Sun 9/207:00 am -
1 stop4h 15m
Deal found 8/29![Porter Airlines logo]()
$231
This Air Canada deal was found by Cheapflights users on 8/27. 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 9/198:00 pm -
Nonstop1h 26m
Mon 9/215:50 am -
Nonstop1h 25m
Deal found 8/27![Air Canada logo]()
$235
This Air Canada deal was found by Cheapflights users on 8/27. 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 9/178:25 am -
Nonstop1h 25m
Mon 9/215:50 am -
Nonstop1h 25m
Deal found 8/27![Air Canada logo]()
$236
This Air Canada deal was found by Cheapflights users on 8/25. 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 9/168:00 pm -
Nonstop1h 26m
Sun 9/205:50 am -
Nonstop1h 25m
Deal found 8/25![Air Canada logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/186:30 am -
1 stop4h 00m
Sun 9/207:00 am -
1 stop4h 15m
Deal found 8/28![Porter Airlines logo]()
$245
This Air Canada deal was found by Cheapflights users on 8/26. 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 9/192:30 pm -
1 stop4h 27m
Sat 9/269:35 am -
1 stop4h 10m
Deal found 8/26![Air Canada logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/156:30 am -
1 stop4h 00m
Thu 9/177:00 am -
1 stop4h 15m
Deal found 8/25![Porter Airlines logo]()
$248
This Justfly.com deal was found by Cheapflights users on 8/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:00 pm -
1 stop5h 25m
Mon 9/214:30 pm -
1 stop4h 42m
Deal found 8/27![Porter Airlines logo]()
$249
This Justfly.com deal was found by Cheapflights users on 8/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:30 am -
1 stop4h 00m
Sun 9/207:00 am -
1 stop4h 15m
Deal found 8/25![Porter Airlines logo]()
$250
Best flights from Pierre Elliott Trudeau Intl to BostonDiscover carefully curated flight deals from Pierre Elliott Trudeau Intl to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
This United deal was found by Cheapflights users on 8/29. 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 9/1911:23 am -
1 stop8h 05m
Sun 9/205:50 am -
Nonstop1h 25m
Deal found 8/29![Multiple Airlines logo]()
$285
This United Airlines deal was found by Cheapflights users on 8/29. 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 9/1911:23 am -
1 stop6h 29m
Sun 9/209:33 am -
1 stop6h 37m
Deal found 8/29![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 8/27. 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 12/92:19 pm -
1 stop8h 01m
Sat 12/127:00 am -
2 stops8h 59m
Deal found 8/27![Delta logo]()
$452
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/171:15 pm -
Nonstop1h 26m
Sun 9/205:50 am -
Nonstop1h 25m
Deal found 8/26![United Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/26:45 am -
2 stops26h 44m
Mon 10/56:30 pm -
1 stop12h 35m
Deal found 8/28![Multiple Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Fri 9/188:00 pm -
Nonstop1h 26m
Sun 9/205:50 am -
Nonstop1h 25m
Deal found 8/28![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 8/26. 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 10/66:00 am -
2 stops13h 04m
Tue 10/1312:00 pm -
2 stops11h 25m
Deal found 8/26![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 8/26. 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 10/109:45 am -
1 stop12h 14m
Tue 10/136:00 am -
1 stop10h 10m
Deal found 8/26![United Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 8/26. 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 10/76:00 am -
2 stops10h 30m
Sat 10/176:00 pm -
1 stop14h 31m
Deal found 8/26![Delta logo]()
$501
This Delta deal was found by Cheapflights users on 8/29. 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 9/226:00 am -
2 stops10h 28m
Tue 9/292:00 pm -
2 stops9h 27m
Deal found 8/29![Delta logo]()
$513
Last-minute flights from Pierre Elliott Trudeau Intl to BostonDiscover last-minute flight deals from Pierre Elliott Trudeau Intl to Boston. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Boston. Data last updated August 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/156:30 am -
1 stop4h 00m
Thu 9/177:00 am -
1 stop4h 15m
Deal found 8/25![Porter Airlines logo]()
$248
This Air Canada deal was found by Cheapflights users on 8/25. 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 9/168:00 pm -
Nonstop1h 26m
Sun 9/205:50 am -
Nonstop1h 25m
Deal found 8/25![Air Canada logo]()
$238
This Justfly.com deal was found by Cheapflights users on 8/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:30 am -
1 stop4h 00m
Sun 9/207:00 am -
1 stop4h 15m
Deal found 8/25![Porter Airlines logo]()
$250
This Air Canada deal was found by Cheapflights users on 8/27. 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 9/178:25 am -
Nonstop1h 25m
Mon 9/215:50 am -
Nonstop1h 25m
Deal found 8/27![Air Canada logo]()
$236
This Justfly.com deal was found by Cheapflights users on 8/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:00 pm -
1 stop5h 25m
Mon 9/214:30 pm -
1 stop4h 42m
Deal found 8/27![Porter Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/186:30 am -
1 stop4h 00m
Sun 9/207:00 am -
1 stop4h 15m
Deal found 8/28![Porter Airlines logo]()
$245
This Gotogate deal was found by Cheapflights users on 8/29. 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.
Sat 9/196:30 am -
1 stop4h 00m
Sun 9/207:00 am -
1 stop4h 15m
Deal found 8/29![Porter Airlines logo]()
$231
This Air Canada deal was found by Cheapflights users on 8/27. 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 9/198:00 pm -
Nonstop1h 26m
Mon 9/215:50 am -
Nonstop1h 25m
Deal found 8/27![Air Canada logo]()
$235
This Air Canada deal was found by Cheapflights users on 8/26. 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 9/192:30 pm -
1 stop4h 27m
Sat 9/269:35 am -
1 stop4h 10m
Deal found 8/26![Air Canada logo]()
$246
One-way flights from Pierre Elliott Trudeau Intl to BostonSearch for one-way flight options from Pierre Elliott Trudeau Intl to Boston. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
Search for one-way flight options from Pierre Elliott Trudeau Intl to Boston. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
This eDestinos deal was found by Cheapflights users on 8/26. 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.
Wed 9/166:30 am -
1 stop4h 00m
Deal found 8/26![Porter Airlines logo]()
$144
This Air Canada deal was found by Cheapflights users on 8/26. 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 9/168:25 am -
Nonstop1h 25m
Deal found 8/26![Air Canada logo]()
$145
This Trip.com deal was found by Cheapflights users on 8/28. 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.
Sat 9/266:30 am -
1 stop4h 00m
Deal found 8/28![Porter Airlines logo]()
$146
This Trip.com deal was found by Cheapflights users on 8/27. 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 9/239:00 am -
1 stop4h 40m
Deal found 8/27![Porter Airlines logo]()
$147
This Trip.com deal was found by Cheapflights users on 8/25. 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 9/189:00 am -
1 stop4h 40m
Deal found 8/25![Porter Airlines logo]()
$148
This Air Canada deal was found by Cheapflights users on 8/25. 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 9/231:00 pm -
1 stop5h 57m
Deal found 8/25![Air Canada logo]()
$152
This Jetabroad deal was found by Cheapflights users on 8/28. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2712:00 pm -
1 stop5h 25m
Deal found 8/28![Porter Airlines logo]()
$155
This Air Canada deal was found by Cheapflights users on 8/28. 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 9/268:00 pm -
Nonstop1h 26m
Deal found 8/28![Air Canada logo]()
$158
This Viajes Falabella deal was found by Cheapflights users on 8/26. 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 Viajes Falabella is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:30 am -
2 stops8h 34m
Deal found 8/26![Air Canada logo]()
$179
Find flight deals from Pierre Elliott Trudeau Intl to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $231 (Gotogate) |
One-way from | $144 (eDestinos) |
Popular in | February |
Cheapest in | June |
Average price | $310 |
Good round-trip deal | $251 or less |
Good one-way deal | $165 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 29, 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MontrealBoston
YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl
YULBOS
Montreal Pierre Elliott Trudeau Intl
Sat 9/19
11:23 am-7:28 pm
1 stop8h 05m
Boston Logan Intl
Sun 9/20
5:50 am-7:15 am
Nonstop1h 25m
$285
MontrealBoston
YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl
YULBOS
Montreal Pierre Elliott Trudeau Intl
Sat 9/19
11:23 am-5:52 pm
1 stop6h 29m
Boston Logan Intl
Sun 9/20
9:33 am-4:10 pm
1 stop6h 37m
$291
Quickest round-trip
MontrealBoston
YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl
YULBOS
Montreal Pierre Elliott Trudeau Intl
Thu 9/17
1:15 pm-2:41 pm
Nonstop1h 26m
Boston Logan Intl
Sun 9/20
5:50 am-7:15 am
Nonstop1h 25m
$371
MontrealBoston
YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl
YULBOS
Montreal Pierre Elliott Trudeau Intl
Fri 9/18
8:00 pm-9:26 pm
Nonstop1h 26m
Boston Logan Intl
Sun 9/20
5:50 am-7:15 am
Nonstop1h 25m
$377
MontrealBoston
YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl
YULBOS
Montreal Pierre Elliott Trudeau Intl
Fri 10/2
6:45 am-9:29 am
2 stops26h 44m
Boston Logan Intl
Mon 10/5
6:30 pm-7:05 am
1 stop12h 35m
$390
MontrealBoston
YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl
YULBOS
Montreal Pierre Elliott Trudeau Intl
Sat 10/10
9:45 am-9:59 pm
1 stop12h 14m
Boston Logan Intl
Tue 10/13
6:00 am-4:10 pm
1 stop10h 10m
$432
MontrealBoston
YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl
YULBOS
Montreal Pierre Elliott Trudeau Intl
Wed 12/9
2:19 pm-10:20 pm
1 stop8h 01m
Boston Logan Intl
Sat 12/12
7:00 am-3:59 pm
2 stops8h 59m
$452
MontrealBoston
YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl
YULBOS
Montreal Pierre Elliott Trudeau Intl
Tue 10/6
6:00 am-7:04 pm
2 stops13h 04m
Boston Logan Intl
Tue 10/13
12:00 pm-11:25 pm
2 stops11h 25m
$472
MontrealBoston
YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl
YULBOS
Montreal Pierre Elliott Trudeau Intl
Wed 10/7
6:00 am-4:30 pm
2 stops10h 30m
Boston Logan Intl
Sat 10/17
6:00 pm-8:31 am
1 stop14h 31m
$501
MontrealBoston
YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl
YULBOS
Montreal Pierre Elliott Trudeau Intl
Tue 9/22
6:00 am-4:28 pm
2 stops10h 28m
Boston Logan Intl
Tue 9/29
2:00 pm-11:27 pm
2 stops9h 27m
$513
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Pierre Elliott Trudeau Intl to Boston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pierre Elliott Trudeau Intl to Boston in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Pierre Elliott Trudeau Intl to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Pierre Elliott Trudeau Intl with our price prediction graph.
YUL-BOS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Boston
Prices
Airlines
Delays
How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Boston?
To ensure you get the cheapest price possible for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Boston, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Boston?
Currently, June is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Boston (average of $287). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Boston in December is currently the most expensive (average of $392). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from YUL to BOS?
Find hourly flight availability from Pierre Elliott Trudeau Intl to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 29, 2026.
A simple way to save on the total cost of your ticket is to fly from Montreal Pierre Elliott Trudeau Intl Airport to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight at noon.
What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Boston?
Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Boston. Price data was last updated on August 22, 2026.
Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Boston flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Montreal to Boston delayed?
About 26% of weekly flights between Montreal and Boston have experienced delays in the past year, with the average delay time being 116 minutes.
What is the most punctual flight time for Montreal to Boston flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Montreal to Boston flights?
Over the last year, Air Canada have had the lowest number of delays on this route, with just 26% of flights being delayed.
The best insider tips for Montreal Pierre Elliott Trudeau Intl Airport to Boston flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Montreal Pierre Elliott Trudeau Intl Airport to Boston trip
Our travel experts
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated August 29, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,United Airlines, andAir Canada from Montreal Pierre Elliott Trudeau Intl Airport to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Entertainment
6.9
Comfort
8.0
Food
7.6
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentRegan,Aug 2026
YYZ - YVR
Overall
8.0
Crew
8.6
Entertainment
6.9
Comfort
8.0
Food
7.6
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentRegan,Aug 2026
YYZ - YVR
Overall
8.0
Crew
8.6
Entertainment
6.9
Comfort
8.0
Food
7.6
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentRegan,Aug 2026
YYZ - YVR
Overall
8.0
Crew
8.6
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 Pierre Elliott Trudeau Intl to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$199 | Average$311 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$225 | Average$364 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$241 | Average$599 | FlexibilityNo cancel fee | On-time69% |