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Cheap flights from Boston to Montreal from C$ 149

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Montreal departing on 20/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Porter Airlines Logo
5:35 p.m. - 10:15 p.m.BOS-YUL
4h 40m1 stop
Porter Airlines Logo
10:45 a.m. - 3:06 p.m.YUL-BOS
4h 21m1 stop
C$ 334Porter Airlines
Find Deal
Wed, 10 Sep - Sat, 13 Sep
Porter Airlines Logo
7:15 a.m. - 1:45 p.m.BOS-YUL
6h 30m1 stop
Porter Airlines Logo
10:45 a.m. - 2:41 p.m.YUL-BOS
3h 56m1 stop
C$ 338Porter Airlines
Find Deal
Sat, 20 Sep - Tue, 23 Sep
Porter Airlines Logo
7:15 a.m. - 1:45 p.m.BOS-YUL
6h 30m1 stop
Porter Airlines Logo
10:45 a.m. - 4:51 p.m.YUL-BOS
6h 06m1 stop
C$ 343Porter Airlines
Find Deal
Sat, 20 Sep - Mon, 22 Sep
Air Canada Logo
10:20 a.m. - 11:45 a.m.BOS-YUL
1h 25mdirect
Air Canada Logo
8:05 a.m. - 9:30 a.m.YUL-BOS
1h 25mdirect
C$ 360Air Canada
Find Deal
Thu, 4 Sep - Sun, 7 Sep
Air Canada Logo
6:00 a.m. - 7:25 a.m.BOS-YUL
1h 25mdirect
Air Canada Logo
8:05 a.m. - 9:30 a.m.YUL-BOS
1h 25mdirect
C$ 361Air Canada
Find Deal
Thu, 4 Sep - Sun, 7 Sep
Air Canada Logo
10:20 a.m. - 11:45 a.m.BOS-YUL
1h 25mdirect
Air Canada Logo
8:05 a.m. - 9:30 a.m.YUL-BOS
1h 25mdirect
C$ 366Air Canada
Find Deal
Thu, 4 Sep - Sun, 7 Sep
Porter Airlines Logo
5:35 p.m. - 10:15 p.m.BOS-YUL
4h 40m1 stop
Porter Airlines Logo
10:45 a.m. - 2:41 p.m.YUL-BOS
3h 56m1 stop
C$ 368Porter Airlines
Find Deal
Tue, 7 Oct - Fri, 17 Oct
Air Canada Logo
10:40 a.m. - 3:20 p.m.BOS-YUL
4h 40m1 stop
Air Canada Logo
8:05 a.m. - 9:30 a.m.YUL-BOS
1h 25mdirect
C$ 371Air Canada
Find Deal
Thu, 4 Sep - Sun, 7 Sep
Air Canada Logo
12:15 p.m. - 5:50 p.m.BOS-YUL
5h 35m1 stop
Air Canada Logo
8:05 a.m. - 9:30 a.m.YUL-BOS
1h 25mdirect
C$ 377Air Canada
Find Deal
Thu, 4 Sep - Sun, 7 Sep
Logo
12:15 p.m. - 5:50 p.m.BOS-YUL
5h 35m1 stop
Logo
4:45 p.m. - 10:01 p.m.YUL-BOS
5h 16m1 stop
C$ 389
Find Deal
Thu, 4 Sep - Sun, 7 Sep

Porter Airlines flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport

Our best Porter Airlines deals on Boston to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Porter Airlines
10 Sep
BOS5:35 p.m.Boston Logan Intl
4h 40m
1 stop
YUL10:15 p.m.Montreal Pierre Elliott Trudeau Intl
13 Sep
YUL10:45 a.m.Montreal Pierre Elliott Trudeau Intl
4h 21m
1 stop
BOS3:06 p.m.Boston Logan Intl
C$ 334
Find similar
Porter Airlines
20 Sep
BOS7:15 a.m.Boston Logan Intl
6h 30m
1 stop
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
23 Sep
YUL10:45 a.m.Montreal Pierre Elliott Trudeau Intl
3h 56m
1 stop
BOS2:41 p.m.Boston Logan Intl
C$ 338
Find similar
Porter Airlines
20 Sep
BOS7:15 a.m.Boston Logan Intl
6h 30m
1 stop
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
22 Sep
YUL10:45 a.m.Montreal Pierre Elliott Trudeau Intl
6h 06m
1 stop
BOS4:51 p.m.Boston Logan Intl
C$ 343
Find similar

Air Canada flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport

Our best Air Canada deals on Boston to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Air Canada
4 Sep
BOS10:20 a.m.Boston Logan Intl
1h 25m
YUL11:45 a.m.Montreal Pierre Elliott Trudeau Intl
7 Sep
YUL8:05 a.m.Montreal Pierre Elliott Trudeau Intl
1h 25m
BOS9:30 a.m.Boston Logan Intl
C$ 360
Find similar
Air Canada
4 Sep
BOS6:00 a.m.Boston Logan Intl
1h 25m
YUL7:25 a.m.Montreal Pierre Elliott Trudeau Intl
7 Sep
YUL8:05 a.m.Montreal Pierre Elliott Trudeau Intl
1h 25m
BOS9:30 a.m.Boston Logan Intl
C$ 361
Find similar
Air Canada
4 Sep
BOS10:20 a.m.Boston Logan Intl
1h 25m
YUL11:45 a.m.Montreal Pierre Elliott Trudeau Intl
7 Sep
YUL8:05 a.m.Montreal Pierre Elliott Trudeau Intl
1h 25m
BOS9:30 a.m.Boston Logan Intl
C$ 366
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 96,600 searches. Data last updated 31 July 2025.
Use the filters below to find and compare flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Wed 10/9

5:35 p.m.-10:15 p.m.

1 stop4h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 13/9

10:45 a.m.-3:06 p.m.

1 stop4h 21m

C$ 334

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 20/9

7:15 a.m.-1:45 p.m.

1 stop6h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 23/9

10:45 a.m.-2:41 p.m.

1 stop3h 56m

C$ 338

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 20/9

7:15 a.m.-1:45 p.m.

1 stop6h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 22/9

10:45 a.m.-4:51 p.m.

1 stop6h 06m

C$ 343

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 4/9

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

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

8:05 a.m.-9:30 a.m.

Nonstop1h 25m

C$ 360

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 4/9

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

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

8:05 a.m.-9:30 a.m.

Nonstop1h 25m

C$ 361

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 4/9

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

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

8:05 a.m.-9:30 a.m.

Nonstop1h 25m

C$ 366

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 7/10

5:35 p.m.-10:15 p.m.

1 stop4h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

10:45 a.m.-2:41 p.m.

1 stop3h 56m

C$ 368

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 4/9

10:40 a.m.-3:20 p.m.

1 stop4h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

8:05 a.m.-9:30 a.m.

Nonstop1h 25m

C$ 371

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 4/9

12:15 p.m.-5:50 p.m.

1 stop5h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

8:05 a.m.-9:30 a.m.

Nonstop1h 25m

C$ 377

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 4/9

12:15 p.m.-5:50 p.m.

1 stop5h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

4:45 p.m.-10:01 p.m.

1 stop5h 16m

C$ 389

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Montreal from

How to get the cheapest flight ticket from Boston to Montreal Pierre Elliott Trudeau Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and Montreal Pierre Elliott Trudeau Intl Airport?

What is the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The month of February is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Boston, with most prices found around C$ 332. The month of March is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Boston averaging around C$ 382.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Friday when prices can be found for as low as C$ 500. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 736.

What is the cheapest time of day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

In the morning is the cheapest time of day to fly from Boston to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 604. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around C$ 671. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl flight route?

Fly from Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl for the best Boston Logan Intl - Montreal Pierre Elliott Trudeau Intl flight prices

How far in advance should I book a flight to Montreal Pierre Elliott Trudeau Intl Airport?

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around C$ 496 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from Boston for as low as C$ 332 on momondo.

What cabin class options are available on Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to Montreal Pierre Elliott Trudeau Intl Airport flight prices changed over time?

As of July 2025, prices for Boston to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 13% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Montreal Pierre Elliott Trudeau Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Montreal Pierre Elliott Trudeau Intl Airport (BOS to YUL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport

Best price found

C$ 149

Fastest flight time

1h 25m

Direct flights

Every day
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Boston in the past 72 hours is C$ 149. The best round-trip flight deal from Boston to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is C$ 334.
The fastest flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport takes 1h 25m
Direct flights go from Boston to Montreal Pierre Elliott Trudeau Intl Airport every day.
Search flight deals

  • How far is Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl by plane?

    The straight-line distance from Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl is 406.2 km. By plane, this route typically takes 1h 25m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Prices for flights from Boston Logan Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The travel and health documents you'll need for your trip to Montreal Pierre Elliott Trudeau Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Montreal Pierre Elliott Trudeau Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Montreal Pierre Elliott Trudeau Intl Airport?

  • What is the most popular airline from Boston to Montreal Pierre Elliott Trudeau Intl Airport?

Best airlines flying from Boston to Montreal Pierre Elliott Trudeau Intl Airport

Compare and see reviews for airlines that fly from Boston to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 235Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 322Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Porter AirlinesPriceFrom C$ 395Free CancellationRating
8.0
318 reviews
Search Porter Airlines flights

  • United Airlines Flights From Boston to Montreal Pierre Elliott Trudeau Intl Airport

    Across 27 United Airlines flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport this week, the average price was C$ 395, with the best United Airlines deals starting from C$ 233 round-trip. 8,900 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • Air Canada Flights From Boston to Montreal Pierre Elliott Trudeau Intl Airport

    Air Canada (7.1/10 from 9,851 reviews) operates around 27 flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport in any given week. The average Air Canada airfare for this route is around C$ 443, with deals from around C$ 171 rare but found on momondo. Referenced prices are for round-trip Boston to Montreal Pierre Elliott Trudeau Intl Airport flight searches in the last 72 hours.

Travelling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Montebello
Trois-Rivières
Sherbrooke
Brossard
Cornwall
Drummondville
Longueuil
Dorval
Magog
Bromont
Saint-Sauveur
Saint-Jean-sur-Richelieu
Boucherville
North Hatley
Sutton
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Montreal?

It is quick and easy to find Boston to Montreal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Montreal that suits you.

Can I find flights from Boston to Montreal with flexible booking policies on momondo?

Flights from Boston to Montreal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boston to Montreal?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Montreal from Boston.

I’m not ready to book a flight from Boston to Montreal right now. Can momondo alert me if prices change?

Price alerts on flights to Montreal from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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