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Cheap flights from Montreal to Boston from C$ 170

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — BOS
7 Apr — 14 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal to Boston Logan Intl are usually found in May or January, booked 44 days in advance, depart on a Friday or Thursday and return on a Tuesday

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 8 March 2026.

Thu 26/38:55 a.m.
YUL
-
BOS
1 stop5h 50m
Porter Airlines
Tue 31/311:50 a.m.
BOS
-
YUL
1 stop4h 40m
Porter Airlines
Deal found 4/3C$ 353
Sat 13/610:35 a.m.
YUL
-
BOS
1 stop6h 11m
Porter Airlines
Sun 14/611:15 a.m.
BOS
-
YUL
1 stop6h 00m
Porter Airlines
Deal found 6/3C$ 355
Fri 3/43:50 p.m.
YUL
-
BOS
1 stop5h 20m
Porter Airlines
Fri 10/410:20 a.m.
BOS
-
YUL
1 stop4h 50m
Porter Airlines
Deal found 6/3C$ 357
Thu 30/48:55 a.m.
YUL
-
BOS
1 stop3h 45m
Porter Airlines
Sun 3/57:10 a.m.
BOS
-
YUL
1 stop5h 00m
Porter Airlines
Deal found 7/3C$ 358
Mon 20/48:55 a.m.
YUL
-
BOS
1 stop3h 45m
Porter Airlines
Mon 27/410:20 a.m.
BOS
-
YUL
1 stop6h 10m
Porter Airlines
Deal found 6/3C$ 359
Tue 24/38:55 a.m.
YUL
-
BOS
1 stop5h 50m
Porter Airlines
Sun 29/39:00 a.m.
BOS
-
YUL
1 stop6h 10m
Porter Airlines
Deal found 5/3C$ 362
Sun 7/611:00 a.m.
YUL
-
BOS
1 stop6h 35m
Porter Airlines
Tue 9/65:30 p.m.
BOS
-
YUL
1 stop4h 40m
Porter Airlines
Deal found 6/3C$ 363
Thu 19/38:00 p.m.
YUL
-
BOS
Nonstop1h 27m
Air Canada
Sun 22/35:30 a.m.
BOS
-
YUL
Nonstop1h 25m
Air Canada
Deal found 3/3C$ 365
Tue 21/48:20 a.m.
YUL
-
BOS
Nonstop1h 29m
Air Canada
Tue 28/410:40 a.m.
BOS
-
YUL
Nonstop1h 18m
Air Canada
Deal found 7/3C$ 366
Sat 4/48:20 a.m.
YUL
-
BOS
Nonstop1h 29m
Air Canada
Sun 5/43:35 p.m.
BOS
-
YUL
Nonstop1h 29m
Air Canada
Deal found 3/3C$ 367
Wed 25/38:55 a.m.
YUL
-
BOS
1 stop5h 50m
Porter Airlines
Tue 31/311:50 a.m.
BOS
-
YUL
1 stop4h 40m
Porter Airlines
Deal found 5/3C$ 369

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 8 March 2026.

Round-trip from

C$ 353

One-way from

C$ 170

Popular in

February

Cheapest in

May

Average price

C$ 437

Good round-trip deal

C$ 517 or less

Good one-way deal

C$ 249 or less
Porter Airlines
  • Porter Airlines
  • 26/3-31/3
  • 2 total stops
  • 10h 30m total
  • Montreal to Boston
Search Deals
Porter Airlines
  • Porter Airlines
  • 11/5
  • 1 total stop
  • 3h 56m total
  • Montreal to Boston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
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.
Search Deals

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 8 March 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

Sun 7/6

11:00 a.m.-5:35 p.m.

1 stop6h 35m

Boston Logan Intl

Tue 9/6

5:30 p.m.-10:10 p.m.

1 stop4h 40m

C$ 363

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Fri 27/3

3:00 p.m.-9:41 p.m.

1 stop6h 41m

Boston Logan Intl

Mon 30/3

10:05 a.m.-4:10 p.m.

1 stop6h 05m

C$ 412

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

3:50 p.m.-9:10 p.m.

1 stop5h 20m

Boston Logan Intl

Tue 31/3

9:00 a.m.-3:10 p.m.

1 stop6h 10m

C$ 419

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

2:29 p.m.-10:25 p.m.

1 stop7h 56m

Boston Logan Intl

Tue 9/6

12:00 p.m.-11:10 p.m.

2 stops11h 10m

C$ 422

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

6:00 a.m.-4:28 p.m.

2 stops10h 28m

Boston Logan Intl

Fri 5/6

10:00 a.m.-6:53 p.m.

1 stop8h 53m

C$ 449

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

2:30 p.m.-11:23 p.m.

1 stop8h 53m

Boston Logan Intl

Wed 9/9

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

2 stops12h 10m

C$ 452

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

9:15 a.m.-11:59 p.m.

1 stop14h 44m

Boston Logan Intl

Fri 24/4

6:40 p.m.-8:09 p.m.

Nonstop1h 29m

C$ 485

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

8:55 a.m.-2:45 p.m.

1 stop5h 50m

Boston Logan Intl

Wed 18/3

9:00 a.m.-3:10 p.m.

1 stop6h 10m

C$ 494
Quickest round-trip

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

8:00 p.m.-9:27 p.m.

Nonstop1h 27m

Boston Logan Intl

Tue 31/3

6:40 p.m.-8:09 p.m.

Nonstop1h 29m

C$ 507

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

6:00 a.m.-4:26 p.m.

2 stops10h 26m

Boston Logan Intl

Wed 26/8

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

2 stops12h 10m

C$ 540

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 23 resultsSorted by cheapest first
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2
3

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 6 March 2026.

Booking 44 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, April is the cheapest month in which you can book a flight from Montreal to Boston (average of C$ 224). Flying from Montreal to Boston in December is currently the most expensive (average of C$ 392). 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 8 March 2026.

It’s typically best to fly out from Montreal to Boston in the morning. Doing so could potentially save you 56% on the flight price compared to flying at noon, 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 21 February 2026.

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

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

How often are flights from Montreal to Boston delayed?

About 24% of weekly flights between Montreal and Boston have experienced delays in the past year, with the average delay time being 122 minutes.

What is the most punctual flight time for Montreal to Boston flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Monday 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 25% of flights being delayed.

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 8 March 2026.
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
8.0
Very good
423 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
423 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,405 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,795 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 2 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$ 363, Porter Airlines can have you in Boston from Montreal in 6h 35m. 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$ 280, 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 United Airlines and Air Canada - these airlines can fly you to your destination from C$ 298 and C$ 358, respectively. Porter Airlines is currently priced 42% below the average price you’ll pay for this route.

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

    C$ 188 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$ 203 and C$ 204, respectively.

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

    The top 3 most reliable airlines when flying from Montreal to Boston are TAP AIR PORTUGAL (74%), Brussels Airlines (65%) and United Airlines (59%).

  • What are the cheapest flights from Montreal to Boston?

    The cheapest flight price from Montreal to Boston is C$ 223. On average you can expect to pay C$ 690. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Boston Logan Intl), can usually be booked for C$ 277.

  • 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, April is the cheapest month in which you can book a flight from Montreal to Boston (average of C$ 224). Flying from Montreal to Boston in December is currently the most expensive (average of C$ 392). 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
Merrimack
Chelsea
Milford
Braintree
Hampton
Old Orchard Beach
Revere
Waltham
Kennebunk
Watertown
Warwick
Lawrence
Pawtucket
Seekonk
Nashua

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 8 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 280AverageC$ 432FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 298AverageC$ 517FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 358AverageC$ 503FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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