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$141+ Cheap flights from Boston (BOS) to Montreal (YMQ)

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YMQ
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Montreal are usually found in March or January, booked 73 days in advance, depart on a Thursday or Sunday and return on a Friday

Cheap 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 July 28, 2025.

Round-trip from

$321
(Kiwi.com)

One-way from

$141
(Mytrip)

Popular in

July

Cheapest in

March

Average price

$452

Good round-trip deal

$438 or less

Good one-way deal

$211 or less
From Boston Logan Intl to Montreal (YMQ)
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One-way flight from Boston Logan Intl to Montreal (YMQ)
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Highest demand for flights based on searches. 12% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Montreal (YMQ).
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Price to beat on a one-way flight from Boston Logan Intl to Montreal (YMQ).
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Find flight deals from Boston to Montreal

Cheapest flights from Boston to Montreal
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 July 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:35 pmBOS - YUL
1 stop4h 40mPorter Airlines
Sun 9/74:45 pmYUL - BOS
1 stop5h 16mPorter Airlines
Deal found 7/27$321
This Mytrip deal was found by Cheapflights users on 7/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:05 amBOS - YUL
3 stops16h 10mMultiple Airlines
Tue 9/28:55 amYUL - BOS
1 stop5h 46mMultiple Airlines
Deal found 7/26$324
This Mytrip deal was found by Cheapflights users on 7/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:00 amBOS - YUL
Nonstop1h 25mAir Canada
Fri 10/38:05 amYUL - BOS
Nonstop1h 25mAir Canada
Deal found 7/26$325
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:10 pmBOS - YUL
1 stop4h 00mUnited Airlines
Mon 9/2911:23 amYUL - BOS
1 stop4h 59mUnited Airlines
Deal found 7/27$362
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 12/210:30 amBOS - YUL
2 stops12h 38mDelta
Thu 12/116:00 amYUL - BOS
1 stop6h 02mDelta
Deal found 7/27$371

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 2,558,603 searches. Data last updated July 28, 2025.
Use the filters below to find and compare flights from Boston to Montreal that are best for you.

Fly from

Boston

Fly to

Montreal

Route

Depart

Return

Price

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Fri 9/5

5:35 pm-10:15 pm

1 stop4h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 9/7

4:45 pm-10:01 pm

1 stop5h 16m

$321

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Mon 8/25

6:05 am-10:15 pm

3 stops16h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 9/2

8:55 am-2:41 pm

1 stop5h 46m

$324

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Fri 9/19

6:00 am-7:25 am

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

Fri 10/3

8:05 am-9:30 am

Nonstop1h 25m

$325

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Fri 9/26

12:10 pm-4:10 pm

1 stop4h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 9/29

11:23 am-4:22 pm

1 stop4h 59m

$362

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 9/4

12:00 pm-11:08 pm

2 stops11h 08m

Montreal Pierre Elliott Trudeau Intl

Mon 9/8

6:35 pm-11:54 pm

1 stop5h 19m

$371

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 9/16

6:00 am-7:25 am

Nonstop1h 25m

$142

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 8/26

6:05 am-10:15 pm

3 stops16h 10m

$143

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 8/19

5:25 pm-10:15 pm

1 stop4h 50m

$144

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 8/26

7:28 am-12:16 pm

1 stop4h 48m

$151

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sun 8/24

9:36 am-4:10 pm

1 stop6h 34m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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.
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

How far ahead should I book a flight from Boston to Montreal?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Montreal. Price data was last updated on July 25, 2025.

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 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to Montreal?

Currently, January is the cheapest month in which you can book a flight from Boston to Montreal (average of $270). Flying from Boston to Montreal in July is currently the most expensive (average of $409). 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 July 28, 2025.

It’s optimal to fly from Boston to Montreal at noon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Boston to Montreal?

Use this chart to determine the cheapest time to fly round-trip from Boston to Montreal. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Boston to Montreal flight should consider departing on Wednesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 28, 2025.

The most flights from BOS to YMQ are scheduled on a Tuesday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from Boston to Montreal?

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 July 28, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Delta, and United Airlines 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.
Porter Airlines
8.0
Very good
316 reviews

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
316 reviews
Porter Airlines
8.0
Very good
316 reviews

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,971 reviews
Porter Airlines
8.0
Very good
316 reviews

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,893 reviews
Porter Airlines
8.0
Very good
316 reviews

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
316 reviews

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
9,813 reviews
Porter Airlines
8.0
Very good
316 reviews

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • What airport do you fly from for flights from Boston to Montreal?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Montreal. 3 airlines have flights from Logan Intl to Montreal on a regular basis. Booking flights from Boston Logan Intl to Montreal should not be difficult; the airport handles an average of 10 outbound flights to Montreal per day.

  • What are the cheapest airlines flying from Boston to Montreal round-trip?

    Cheapflights users have booked flights from Boston to Montreal round-trip from $321. Other airlines that can offer you cheap pricing are Air Canada, from $325, and United Airlines, from $362. Porter Airlines is priced at 11% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Boston to Montreal one-way?

    $141 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and American Airlines, with prices starting from $142 and $151, respectively.

  • What are the most reliable airlines from Boston to Montreal?

    No one likes to see their flight delayed. When booking a flight from Boston to Montreal consider choosing Emirates (80%), United Airlines (62%) or Air Canada (47%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Boston to Montreal?

    Looking at all options, your cheapest flight can be booked for $135. While the most popular route (Boston Logan Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $271 on average our data indicates $1,513 when flying from Boston to Montreal.

  • Can I find deals for flights from Boston to Montreal that include hotel bookings?

    Yes. In addition to deals on Boston to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Montreal.

  • Can I find deals for business class flights from Boston to Montreal?

    Yes. Cheapflights offers flight deals from Boston to Montreal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Montreal?

    Currently, January is the cheapest month in which you can book a flight from Boston to Montreal (average of $270). Flying from Boston to Montreal in July is currently the most expensive (average of $409). 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.

See more FAQs

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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 2,558,603 searches. Data last updated July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$147Average$376FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$165Average$396FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$262Average$315FlexibilityNo cancel feeOn-time52%

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