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Cheap flights from Montreal to Boston from C$ 233

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — BOS
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Montreal to Boston Logan Intl are usually found in May or March, booked 72 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Montreal to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) 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 16 September 2025.

Round-trip from

C$ 385

One-way from

C$ 233

Popular in

December

Cheapest in

May

Average price

C$ 467

Good round-trip deal

C$ 554 or less

Good one-way deal

C$ 385 or less
Porter Airlines
  • Porter Airlines
  • 29/10-5/11
  • 2 total stops
  • 9h 40m total
  • Montreal to Boston
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29/10
  • 29/10
  • 2 total stops
  • 17h 14m total
  • Montreal to Boston
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Highest demand for flights based on searches. 6% potential increase in price (C$ 45 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Montreal (YMQ) to Boston Logan Intl.
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Price to beat on a one-way flight from Montreal (YMQ) to Boston Logan Intl.
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Find flight deals from Montreal to Boston

Cheapest flights from Montreal to Boston
Explore the most affordable flight options available from Montreal to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Wed 29/108:55 a.m.YUL - BOS
1 stop3h 45mPorter Airlines
Wed 5/117:05 a.m.BOS - YUL
1 stop5h 55mPorter Airlines
Deal found 14/9C$ 385
Thu 16/104:45 p.m.YUL - BOS
1 stop5h 16mPorter Airlines
Sun 19/109:20 a.m.BOS - YUL
1 stop6h 40mPorter Airlines
Deal found 14/9C$ 390
Sat 11/106:15 p.m.YUL - BOS
1 stop4h 24mAir Canada
Mon 13/106:00 a.m.BOS - YUL
1 stop7h 41mAir Canada
Deal found 15/9C$ 391
Tue 21/108:55 a.m.YUL - BOS
1 stop5h 46mPorter Airlines
Wed 22/1012:15 p.m.BOS - YUL
1 stop6h 30mPorter Airlines
Deal found 15/9C$ 392
Tue 2/1210:15 a.m.YUL - BOS
1 stop4h 30mPorter Airlines
Sat 6/121:25 p.m.BOS - YUL
1 stop5h 20mPorter Airlines
Deal found 16/9C$ 394
Sat 11/105:10 p.m.YUL - BOS
1 stop5h 29mAir Canada
Sun 19/106:00 a.m.BOS - YUL
1 stop6h 20mAir Canada
Deal found 16/9C$ 395
Sun 12/108:05 a.m.YUL - BOS
Nonstop1h 25mAir Canada
Wed 15/106:00 a.m.BOS - YUL
Nonstop1h 25mAir Canada
Deal found 15/9C$ 396
Sat 11/108:00 p.m.YUL - BOS
Nonstop1h 25mAir Canada
Tue 14/106:00 a.m.BOS - YUL
Nonstop1h 25mAir Canada
Deal found 15/9C$ 398
Tue 14/1010:45 a.m.YUL - BOS
1 stop6h 06mPorter Airlines
Tue 21/105:35 p.m.BOS - YUL
1 stop4h 40mPorter Airlines
Deal found 14/9C$ 401
Thu 16/108:05 a.m.YUL - BOS
Nonstop1h 25mAir Canada
Sun 19/106:00 a.m.BOS - YUL
1 stop6h 20mAir Canada
Deal found 14/9C$ 403

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal 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 629,999 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Montreal to Boston that are best for you.

Fly from

Montreal

Fly to

Boston

Route

Depart

Return

Price

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Tue 21/10

4:30 p.m.-5:55 p.m.

Nonstop1h 25m

Boston Logan Intl

Wed 22/10

10:20 a.m.-11:45 a.m.

Nonstop1h 25m

C$ 396

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

5:45 p.m.-7:12 p.m.

Nonstop1h 27m

Boston Logan Intl

Sat 22/11

6:40 p.m.-8:05 p.m.

Nonstop1h 25m

C$ 396

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Fri 28/11

4:00 p.m.-7:40 p.m.

1 stop3h 40m

Boston Logan Intl

Tue 2/12

7:05 a.m.-1:00 p.m.

1 stop5h 55m

C$ 409

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Tue 2/12

5:10 p.m.-10:37 p.m.

1 stop5h 27m

Boston Logan Intl

Sat 6/12

5:30 a.m.-6:55 a.m.

Nonstop1h 25m

C$ 416

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sun 12/10

8:55 a.m.-3:06 p.m.

1 stop6h 11m

Boston Logan Intl

Wed 15/10

10:10 a.m.-4:00 p.m.

1 stop5h 50m

C$ 421

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Fri 28/11

6:00 a.m.-12:12 p.m.

1 stop6h 12m

Boston Logan Intl

Tue 2/12

6:40 p.m.-8:05 p.m.

Nonstop1h 25m

C$ 421

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

10:10 a.m.-3:57 p.m.

1 stop5h 47m

Boston Logan Intl

Sat 29/11

3:40 p.m.-5:05 p.m.

Nonstop1h 25m

C$ 425

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

11:15 a.m.-6:10 p.m.

1 stop6h 55m

Boston Logan Intl

Sat 18/10

6:00 a.m.-7:25 a.m.

Nonstop1h 25m

C$ 425

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sat 11/10

4:30 p.m.-5:55 p.m.

Nonstop1h 25m

Boston Logan Intl

Fri 17/10

6:00 a.m.-7:25 a.m.

Nonstop1h 25m

C$ 437

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

6:45 a.m.-11:59 p.m.

2 stops17h 14m

Boston Logan Intl

Mon 3/11

7:05 a.m.-1:00 p.m.

1 stop5h 55m

C$ 443

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 22 results
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Best time to book a flight from Montreal to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Montreal 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 Montreal to Boston

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

Use this chart to determine the optimal time to book a round-trip flight from Montreal to Boston. Price data was last updated on 12 September 2025.

Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal to Boston. 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 Montreal to Boston?

Currently, May is the cheapest month in which you can book a flight from Montreal to Boston (average of C$ 292). Flying from Montreal to Boston in April is currently the most expensive (average of C$ 350). 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 YMQ to BOS?

Find hourly flight availability from Montreal 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 16 September 2025.

It’s typically best to fly out from Montreal to Boston in the morning. Doing so could potentially save you 66% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Montreal to Boston. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal to Boston flight should consider departing on Thursday mornings 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.

Weekly flight availability from Montreal to Boston

Explore weekly flight availability from Montreal to Boston. 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 16 September 2025.

The most flights from YMQ to BOS are scheduled on a Monday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (9 on average).

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

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 16 September 2025.
Read reviews from past customers who have flown Porter Airlines,United Airlines, andAir Canada from Montreal to Boston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Entertainment

7.0

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Entertainment

7.0

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,929 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Entertainment

7.0

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Entertainment

7.0

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Montreal to Boston. 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 into for flights to Boston from Montreal?

    Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Montreal to Boston. You should not have trouble finding flights to Logan Intl from Montreal; the airport handles an average of 11 inbound flights from Montreal per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Boston airport from Montreal. It is only a 4.2 km journey from Logan Intl (BOS) to Boston’s city centre.

  • How long is the flight from Montreal to Boston?

    For as low as C$ 396, Air Canada can have you in Boston from Montreal in 1h 25m. The distance between Montreal and Boston is about 407 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at C$ 304, United Airlines will fly you from Montreal to Boston and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Porter Airlines and Air Canada - these airlines can fly you to your destination from C$ 333 and C$ 333, respectively. United Airlines is currently priced 35% below the average price you’ll pay for this route.

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

    The top 3 most reliable airlines when flying from Montreal to Boston are Brussels Airlines (75%), TAP AIR PORTUGAL (65%) and Emirates (63%).

  • What are the cheapest flights from Montreal to Boston?

    The cheapest flight price from Montreal to Boston is C$ 256. On average you can expect to pay C$ 706. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Boston Logan Intl), can usually be booked for C$ 366.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montreal to Boston 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 Montreal to Boston?

    Currently, May is the cheapest month in which you can book a flight from Montreal to Boston (average of C$ 292). Flying from Montreal to Boston in April is currently the most expensive (average of C$ 350). 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Braintree
Waltham
Somerville
Rockland
Chelsea
Warwick
Milford
Plymouth
Quincy
Hampton
Old Orchard Beach
Lynn
Revere
Merrimack
Kennebunk
Watertown
Lawrence
Sturbridge
Seekonk

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Montreal to Boston

Discover the top 3 airlines that operate flights from Montreal to Boston. 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 629,999 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 304AverageC$ 476FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 333AverageC$ 486FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 333AverageC$ 474FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from Montreal to Boston?

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Why should you use Cheapflights to find cheap flight tickets from Montreal to Boston?

Millions of users choose and trust Cheapflights to book the best flight deals from Montreal to Boston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Montreal to Boston with no change fees?

Yes, we can. To see specific flights from Montreal to Boston with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Montreal to Boston become cheaper?

Yes! Start tracking prices for Montreal to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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