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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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — BOS
5 Sep — 12 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 6 August 2026.

Thu 27/87:20 p.m. -
Nonstop1h 35m
Sun 30/84:45 p.m. -
Nonstop1h 30m
Deal found 3/8C$ 282
Wed 26/810:35 a.m. -
1 stop4h 40m
Sun 30/87:10 a.m. -
1 stop5h 00m
Deal found 5/8C$ 284
Thu 27/82:30 p.m. -
1 stop4h 27m
Sun 30/82:45 p.m. -
1 stop5h 02m
Deal found 2/8C$ 285
Sat 17/106:30 a.m. -
1 stop4h 00m
Wed 21/1011:10 a.m. -
1 stop7h 02m
Deal found 1/8C$ 286
Fri 4/97:20 p.m. -
Nonstop1h 35m
Sun 6/97:10 a.m. -
1 stop4h 35m
Deal found 1/8C$ 289
Fri 28/87:20 p.m. -
Nonstop1h 35m
Mon 31/84:45 p.m. -
Nonstop1h 30m
Deal found 2/8C$ 291
Tue 25/87:20 p.m. -
Nonstop1h 35m
Thu 3/94:45 p.m. -
Nonstop1h 30m
Deal found 2/8C$ 295
Sat 29/87:20 p.m. -
Nonstop1h 35m
Tue 1/95:30 p.m. -
1 stop4h 42m
Deal found 2/8C$ 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 6 August 2026.

Round-trip from

C$ 282

One-way from

C$ 188

Popular in

February

Cheapest in

August

Average price

C$ 397

Good round-trip deal

C$ 420 or less

Good one-way deal

C$ 396 or less
Porter Airlines
  • Porter Airlines
  • 27/8-30/8
  • Nonstop
  • 3h 05m total
  • Montreal to Boston
Search Deals
Air Canada
  • Air Canada
  • 21/9
  • Nonstop
  • 1h 25m total
  • Montreal to Boston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 38 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 6 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 Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

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

1 stop3h 48m

Boston Logan Intl

Sun 30/8

7:30 a.m.-1:09 p.m.

1 stop5h 39m

C$ 365

MontrealBoston

YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl

YULBOS

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

6:00 a.m.-7:28 p.m.

1 stop13h 28m

Boston Logan Intl

Sun 23/8

2:45 p.m.-7:47 p.m.

1 stop5h 02m

C$ 420
Quickest round-trip

MontrealBoston

YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 17/9

8:25 a.m.-9:50 a.m.

Nonstop1h 25m

Boston Logan Intl

Thu 24/9

5:50 a.m.-7:15 a.m.

Nonstop1h 25m

C$ 424

MontrealBoston

YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

6:00 a.m.-12:50 p.m.

1 stop6h 50m

Boston Logan Intl

Sun 23/8

7:30 a.m.-1:09 p.m.

1 stop5h 39m

C$ 466

MontrealBoston

YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

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

1 stop5h 57m

Boston Logan Intl

Sat 26/9

10:00 a.m.-11:27 p.m.

2 stops13h 27m

C$ 520

MontrealBoston

YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

2:25 p.m.-10:26 p.m.

1 stop8h 01m

Boston Logan Intl

Wed 21/10

12:00 p.m.-11:25 p.m.

2 stops11h 25m

C$ 521

MontrealBoston

YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl

YULBOS

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

2:55 p.m.-10:40 p.m.

2 stops7h 45m

Boston Logan Intl

Fri 18/9

7:00 a.m.-11:15 a.m.

1 stop4h 15m

C$ 607

MontrealBoston

YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

2:29 p.m.-7:52 p.m.

1 stop5h 23m

Boston Logan Intl

Tue 8/9

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

2 stops11h 27m

C$ 608
Cheapest one-way
Quickest one-way

MontrealBoston

YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

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

Nonstop1h 35m

C$ 198

MontrealBoston

YUL Montreal Pierre Elliott Trudeau Intl - BOS Boston Logan Intl

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

9:45 a.m.-1:11 a.m.

1 stop15h 26m

C$ 205

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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$ 423). Flying from Montreal to Boston in February is currently the most expensive (average of C$ 618). 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 6 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 6 August 2026.

The most flights from YMQ to BOS are scheduled on a Monday (16 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (12 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$ 306 and C$ 622 in October.
The cheapest round-trip price found within the last 5 days was C$ 279 on Air Canada (9 Oct-12 Oct).

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 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 1 August 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 6 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
450 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

6.9

Food

7.5

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
450 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

6.9

Food

7.5

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
11,429 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

6.9

Food

7.5

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 13 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$ 365, United Airlines can have you in Boston from Montreal in 3h 48m. The distance between Montreal and Boston is about 407 km.

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

    Currently priced at C$ 222, 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$ 360, 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$ 344, 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 (61%), Brussels Airlines (59%) and United Airlines (54%).

  • What are the cheapest flights from Montreal to Boston?

    The cheapest flight price from Montreal to Boston is C$ 188. On average you can expect to pay C$ 553. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Boston Logan Intl), can usually be booked for C$ 254.

  • 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$ 423). Flying from Montreal to Boston in February is currently the most expensive (average of C$ 618). 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
Ogunquit
Braintree
Milford
Revere
Waltham
Watertown
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 6 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 222AverageC$ 380FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 311AverageC$ 506FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 360AverageC$ 643FlexibilityNo 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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