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Cheap flights from Montreal to Boston from C$ 188

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — BOS
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal to Boston Logan Intl are usually found in August or January, booked 47 days in advance, depart on a Saturday or Friday and return on a Saturday

Cheap flight deals from Montreal to Boston

Enter your travel dates to find the best prices.

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 1 August 2026.

Tue 1/124:40 p.m.
YUL
-
BOS
1 stop5h 37m
Porter Airlines
Thu 3/124:35 p.m.
BOS
-
YUL
1 stop5h 35m
Porter Airlines
Deal found 31/7C$ 279
Fri 21/88:20 a.m.
YUL
-
BOS
Nonstop1h 25m
Air Canada
Sun 23/82:45 p.m.
BOS
-
YUL
1 stop7h 02m
Air Canada
Deal found 31/7C$ 284
Fri 4/910:35 a.m.
YUL
-
BOS
1 stop6h 11m
Porter Airlines
Mon 7/94:45 p.m.
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Deal found 30/7C$ 287
Fri 4/97:20 p.m.
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Sun 6/94:45 p.m.
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Deal found 31/7C$ 289
Sun 30/810:35 a.m.
YUL
-
BOS
1 stop4h 40m
Porter Airlines
Sun 6/97:10 a.m.
BOS
-
YUL
1 stop4h 35m
Porter Airlines
Deal found 31/7C$ 290
Thu 20/87:20 p.m.
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Sun 23/84:45 p.m.
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Deal found 30/7C$ 291
Mon 30/114:40 p.m.
YUL
-
BOS
1 stop5h 37m
Porter Airlines
Fri 4/124:35 p.m.
BOS
-
YUL
1 stop5h 35m
Porter Airlines
Deal found 31/7C$ 294
Thu 20/81:15 p.m.
YUL
-
BOS
Nonstop1h 26m
Air Canada
Sun 23/85:45 a.m.
BOS
-
YUL
Nonstop1h 30m
Air Canada
Deal found 30/7C$ 297
Fri 21/87:20 p.m.
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Mon 24/84:45 p.m.
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Deal found 29/7C$ 298

Find 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 1 August 2026.

Round-trip from

C$ 279

One-way from

C$ 188

Popular in

February

Cheapest in

August

Average price

C$ 394

Good round-trip deal

C$ 465 or less

Good one-way deal

C$ 434 or less
Porter Airlines
  • Porter Airlines
  • 1/12-3/12
  • 2 total stops
  • 11h 12m total
  • Montreal to Boston
Search Deals
Porter Airlines
  • Porter Airlines
  • 27/8
  • Nonstop
  • 1h 35m total
  • Montreal to Boston
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from Montreal (YMQ) to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Montreal (YMQ) to Boston Logan Intl.
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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 1 August 2026.
Use the filters below to find and compare flights from Montreal to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

7:20 p.m.-8:55 p.m.

Nonstop1h 35m

Boston Logan Intl

Sat 29/8

4:45 p.m.-6:15 p.m.

Nonstop1h 30m

C$ 297
Quickest round-trip

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

8:20 a.m.-9:45 a.m.

Nonstop1h 25m

Boston Logan Intl

Sat 29/8

3:35 p.m.-4:58 p.m.

Nonstop1h 23m

C$ 317

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Tue 1/12

4:40 p.m.-10:17 p.m.

1 stop5h 37m

Boston Logan Intl

Sun 6/12

4:35 p.m.-10:10 p.m.

1 stop5h 35m

C$ 339

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

12:50 p.m.-7:50 p.m.

1 stop7h 00m

Boston Logan Intl

Wed 19/8

7:10 a.m.-12:10 p.m.

1 stop5h 00m

C$ 354

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

7:20 p.m.-8:55 p.m.

Nonstop1h 35m

Boston Logan Intl

Mon 31/8

4:45 p.m.-6:15 p.m.

Nonstop1h 30m

C$ 354

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

6:00 a.m.-9:48 a.m.

1 stop3h 48m

Boston Logan Intl

Sun 23/8

2:45 p.m.-9:47 p.m.

1 stop7h 02m

C$ 363

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

9:30 a.m.-3:27 p.m.

1 stop5h 57m

Boston Logan Intl

Tue 22/9

12:00 p.m.-11:27 p.m.

2 stops11h 27m

C$ 551

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

9:30 a.m.-3:27 p.m.

1 stop5h 57m

Boston Logan Intl

Tue 15/9

11:00 a.m.-11:27 p.m.

2 stops12h 27m

C$ 558

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Tue 1/12

9:45 a.m.-3:52 p.m.

1 stop6h 07m

Boston Logan Intl

Thu 3/12

1:15 p.m.-10:20 p.m.

2 stops9h 05m

C$ 583

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

8:00 p.m.-10:32 a.m.

2 stops14h 32m

Boston Logan Intl

Sat 24/10

1:12 a.m.-8:32 a.m.

1 stop7h 20m

C$ 619

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/7

Showing 1-10 of 19 resultsSorted by cheapest first
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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

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$ 422). Flying from Montreal to Boston in February is currently the most expensive (average of C$ 616). 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 1 August 2026.

It’s typically best to fly out from Montreal to Boston in the evening. Doing so could potentially save you 71% on the flight price compared to flying at noon, which is usually more expensive.

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 1 August 2026.

The most flights from YMQ to BOS are scheduled on a Tuesday (14 on average). You will have fewer flight options on Monday, 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?

Airfare is below average for this route at the moment.
Montreal to Boston flights typically cost between C$ 303 and C$ 800 in December.
The cheapest round-trip price found within the last 5 days was C$ 279 on Porter Airlines (1 Dec-3 Dec).

How often are flights from Montreal to Boston delayed?

About 25% 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 at night 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 past year, Air Canada has had the lowest number of delays on this route, with just 26% of flights being delayed.

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

Booking 46 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 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 25 July 2026.

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

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 1 August 2026.
Read reviews from past customers who have flown Porter Airlines and Air 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
8.0
Very good
449 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Food

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
449 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Food

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,419 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Food

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

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 12 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$ 317, Porter Airlines can have you in Boston from Montreal in 1h 25m. The distance between Montreal and Boston is about 407 km. Generally, flights for this route are direct.

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

    Currently priced at C$ 221, Porter Airlines will fly you from Montreal to Boston and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from C$ 311 and C$ 359, respectively. Porter Airlines is currently priced 55% below the average price you’ll pay for this route.

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

    C$ 177 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 United Airlines, with prices starting from C$ 227 and C$ 343, respectively.

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

    The top 3 most reliable airlines when flying from Montreal to Boston are Emirates (69%), Brussels Airlines (67%) and Air Canada (65%).

  • What are the cheapest flights from Montreal to Boston?

    The cheapest flight price from Montreal to Boston is C$ 187. On average you can expect to pay C$ 556. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Boston Logan Intl), can usually be booked for C$ 276.

  • 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$ 422). Flying from Montreal to Boston in February is currently the most expensive (average of C$ 616). 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
Old Orchard Beach
Hampton
Merrimack
Saugus
Braintree
Milford
Revere
Waltham
Watertown
Ogunquit
Warwick
Lawrence
Pawtucket
Seekonk
Foxborough
Nashua
Kittery

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 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 221AverageC$ 380FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 336AverageC$ 508FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 359AverageC$ 641FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

When you search for this flight from Montreal to Boston, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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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