$113+ Cheap flights from Boston (BOS) to Montreal (YMQ)
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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YMQ
Oct 21 — Oct 281
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boston to Montreal 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 are usually found in July or August, booked 41 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Boston to Montreal
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to MontrealExplore the most affordable flight options available from Boston to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
Explore the most affordable flight options available from Boston to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
This Booking.com deal was found by Cheapflights users on 9/16. 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 10/13:35 pm -
Nonstop1h 27m
Sun 10/48:25 am -
Nonstop1h 25m
Deal found 9/16![Air Canada logo]()
$255
This Trip.com deal was found by Cheapflights users on 9/16. 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 10/2212:15 pm -
1 stop5h 57m
Thu 10/292:15 pm -
1 stop4h 55m
Deal found 9/16![Porter Airlines logo]()
$258
This Kissandfly.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:50 pm -
Nonstop1h 29m
Sun 10/47:00 am -
1 stop4h 50m
Deal found 9/19![Air Canada logo]()
$259
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:55 pm -
1 stop4h 17m
Sat 10/248:25 am -
Nonstop1h 25m
Deal found 9/20![Multiple Airlines logo]()
$261
This Booking.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:50 am -
Nonstop1h 25m
Sun 10/117:00 am -
1 stop4h 51m
Deal found 9/20![Air Canada logo]()
$265
This Mytrip deal was found by Cheapflights users on 9/17. 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 10/235:50 am -
Nonstop1h 25m
Mon 10/265:10 pm -
1 stop5h 27m
Deal found 9/17![Air Canada logo]()
$266
Best flights from Boston to MontrealDiscover carefully curated flight deals from Boston to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
Discover carefully curated flight deals from Boston to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
This United deal was found by Cheapflights users on 9/17. 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 11/412:00 pm -
1 stop9h 42m
Fri 11/68:00 pm -
Nonstop1h 28m
Deal found 9/17![Multiple Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/1010:51 am -
1 stop5h 19m
Sat 10/176:00 am -
1 stop6h 43m
Deal found 9/16![United Airlines logo]()
$323
This United deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:00 am -
1 stop7h 28m
Mon 11/238:00 pm -
Nonstop1h 28m
Deal found 9/17![Multiple Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/89:51 am -
1 stop6h 19m
Tue 10/1311:23 am -
1 stop5h 23m
Deal found 9/17![United Airlines logo]()
$323
This United deal was found by Cheapflights users on 9/17. 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 10/225:45 am -
1 stop8h 55m
Tue 10/278:00 pm -
Nonstop1h 28m
Deal found 9/17![Multiple Airlines logo]()
$307
This United deal was found by Cheapflights users on 9/17. 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 10/147:38 am -
1 stop14h 28m
Tue 10/201:15 pm -
Nonstop1h 26m
Deal found 9/17![Multiple Airlines logo]()
$307
This United deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
1 stop10h 10m
Tue 10/275:30 pm -
Nonstop1h 32m
Deal found 9/20![Multiple Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:50 pm -
Nonstop1h 29m
Mon 10/198:25 am -
Nonstop1h 25m
Deal found 9/20![United Airlines logo]()
$426
This United deal was found by Cheapflights users on 9/16. 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 10/1510:51 am -
1 stop11h 15m
Sun 10/186:00 am -
1 stop5h 50m
Deal found 9/16![Multiple Airlines logo]()
$321
This United deal was found by Cheapflights users on 9/16. 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 10/79:30 am -
1 stop5h 10m
Sat 10/107:00 am -
1 stop4h 50m
Deal found 9/16![Multiple Airlines logo]()
$321
This United deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
1 stop10h 10m
Sat 10/244:10 pm -
1 stop6h 30m
Deal found 9/17![Multiple Airlines logo]()
$321
This United deal was found by Cheapflights users on 9/17. 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 10/110:51 am -
1 stop5h 19m
Sun 10/47:00 am -
1 stop4h 50m
Deal found 9/17![Multiple Airlines logo]()
$321
Last-minute flights from Boston to MontrealDiscover last-minute flight deals from Boston to Montreal. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Montreal. Data last updated September 21, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/16. 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 10/13:35 pm -
Nonstop1h 27m
Sun 10/48:25 am -
Nonstop1h 25m
Deal found 9/16![Air Canada logo]()
$255
This Kissandfly.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:50 pm -
Nonstop1h 29m
Sun 10/47:00 am -
1 stop4h 50m
Deal found 9/19![Air Canada logo]()
$259
This Booking.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:50 am -
Nonstop1h 25m
Sun 10/117:00 am -
1 stop4h 51m
Deal found 9/20![Air Canada logo]()
$265
This Trip.com deal was found by Cheapflights users on 9/16. 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 10/2212:15 pm -
1 stop5h 57m
Thu 10/292:15 pm -
1 stop4h 55m
Deal found 9/16![Porter Airlines logo]()
$258
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:50 am -
Nonstop1h 25m
Sat 10/248:25 am -
Nonstop1h 25m
Deal found 9/20![Air Canada logo]()
$261
This Mytrip deal was found by Cheapflights users on 9/17. 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 10/235:50 am -
Nonstop1h 25m
Mon 10/265:10 pm -
1 stop5h 27m
Deal found 9/17![Air Canada logo]()
$266
One-way flights from Boston to MontrealSearch for one-way flight options from Boston to Montreal. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
Search for one-way flight options from Boston to Montreal. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This Trip.com deal was found by Cheapflights users on 9/16. 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 10/234:55 pm -
1 stop4h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Porter Airlines logo]()
$113
This Flightnetwork deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:30 am -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Air Canada logo]()
$115
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:30 am -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Air Canada logo]()
$116
This FlightHub deal was found by Cheapflights users on 9/17. 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.
Sun 10/44:55 pm -
1 stop4h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Porter Airlines logo]()
$117
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/204:35 pm -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Porter Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:25 pm -
1 stop4h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Porter Airlines logo]()
$119
This Air Canada deal was found by Cheapflights users on 9/16. 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.
Sun 10/45:50 am -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Air Canada logo]()
$122
This Mytrip deal was found by Cheapflights users on 9/17. 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 11/44:35 pm -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Porter Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Sat 10/310:05 am -
1 stop7h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Porter Airlines logo]()
$124
This Booking.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 am -
2 stops9h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Air Canada logo]()
$125
This Air Canada deal was found by Cheapflights users on 9/16. 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 9/309:35 am -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Air Canada logo]()
$128
Find flight deals from Boston to Montreal
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Montreal (YMQ). 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 September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $256 (Booking.com) |
One-way from | $113 (Trip.com) |
Popular in | December |
Cheapest in | July |
Average price | $397 |
Good round-trip deal | $463 or less |
Good one-way deal | $187 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Montreal 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 September 21, 2026.
Use the filters below to find and compare flights from Boston to Montreal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Sun 10/25
5:30 am-6:55 am
Nonstop1h 25m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Sun 10/4
3:48 pm-10:06 pm
1 stop6h 18m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$132
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Sat 11/7
7:00 am-1:38 pm
1 stop6h 38m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$132
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Thu 10/8
10:51 am-4:10 pm
1 stop5h 19m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$132
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Wed 10/14
9:23 am-5:30 pm
1 stop8h 07m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$132
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Sat 10/10
12:45 pm-9:26 pm
1 stop8h 41m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$132
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Wed 10/21
10:51 am-4:10 pm
1 stop5h 19m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$132
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Thu 10/1
10:51 am-4:10 pm
1 stop5h 19m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$132
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Sat 10/17
10:36 am-5:30 pm
1 stop6h 54m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$132
BostonMontreal
BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl
BOSYUL
Boston Logan Intl
Sun 11/8
6:00 am-1:28 pm
1 stop7h 28m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$132
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Boston to Montreal
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 Montreal in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Boston-Montreal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Montreal flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Montreal flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Montreal 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 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 Montreal
Have a flexible travel schedule? Discover the best time to fly to Montreal from Boston with our price prediction graph.
BOS-YMQ
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
BOS-YMQ
BOS-YUL
What is the cheapest month to book a flight from Boston to Montreal?
Currently, July is the cheapest month in which you can book a flight from Boston to Montreal (average of $310). Flying from Boston to Montreal in December is currently the most expensive (average of $491). 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 YMQ?
Find hourly flight availability from Boston to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 21, 2026.
When flying from Boston to Montreal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Boston to Montreal
Explore weekly flight availability from Boston to Montreal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 21, 2026.
The most flights from BOS to YMQ are scheduled on a Monday (11 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Boston to Montreal?
Airfare is below average for this route at the moment.
Boston to Montreal flights typically cost between $319 and $538 in October.The cheapest round-trip price found within the last 5 days was $256 on Air Canada (Oct 1-Oct 4).
How far ahead should I book a flight from Boston to Montreal?
The price you pay for your flight from Boston to Montreal may vary depending on when you book. For the best chance of a lower fare, look to book 40 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Montreal
Get insights into the airlines that provide service to Montreal. 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 Montreal. Reviews last updated September 21, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,United Airlines, andAir Canada from Boston to Montreal 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.
Food
7.6
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.2
Entertainment
6.9
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.2
Entertainment
6.9
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.2
Entertainment
6.9
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.2
Entertainment
6.9
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 Montreal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Montreal flight routes
Other flight options
Other flights from Boston
Popular flights
Alternative routes for Boston to Montreal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Montreal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Montreal by cabin class
Find flights from Boston to Montreal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Montreal
Explore flights to Montreal departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 21, 2026.
Boston and Montreal flights
Browse other Boston and Montreal flight options. Last updated on September 21, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on September 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Boston to Montreal
Discover the top 3 airlines that operate flights from Boston to Montreal. 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 September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$127 | Average$309 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$187 | Average$421 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$197 | Average$528 | FlexibilityNo cancel fee | On-time69% |