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Cheap flights from Boston to Montreal from $108

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 9/20. 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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0 bags

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Cheap round-trip flights

Porter Airlines Logo
5:35 pm - 10:15 pmBOS-YUL
4h 40m1 stop
Porter Airlines Logo
10:45 am - 3:06 pmYUL-BOS
4h 21m1 stop
$242Porter Airlines
Find Deal
mié., sep. 10 - sáb., sep. 13
Porter Airlines Logo
7:15 am - 1:45 pmBOS-YUL
6h 30m1 stop
Porter Airlines Logo
10:45 am - 2:41 pmYUL-BOS
3h 56m1 stop
$245Porter Airlines
Find Deal
sáb., sep. 20 - mar., sep. 23
Porter Airlines Logo
7:15 am - 1:45 pmBOS-YUL
6h 30m1 stop
Porter Airlines Logo
10:45 am - 4:51 pmYUL-BOS
6h 06m1 stop
$249Porter Airlines
Find Deal
sáb., sep. 20 - lun., sep. 22
Air Canada Logo
10:20 am - 11:45 amBOS-YUL
1h 25mnonstop
Air Canada Logo
8:05 am - 9:30 amYUL-BOS
1h 25mnonstop
$261Air Canada
Find Deal
jue., sep. 4 - dom., sep. 7
Air Canada Logo
6:00 am - 7:25 amBOS-YUL
1h 25mnonstop
Air Canada Logo
8:05 am - 9:30 amYUL-BOS
1h 25mnonstop
$262Air Canada
Find Deal
jue., sep. 4 - dom., sep. 7
Air Canada Logo
10:20 am - 11:45 amBOS-YUL
1h 25mnonstop
Air Canada Logo
8:05 am - 9:30 amYUL-BOS
1h 25mnonstop
$265Air Canada
Find Deal
jue., sep. 4 - dom., sep. 7
Porter Airlines Logo
5:35 pm - 10:15 pmBOS-YUL
4h 40m1 stop
Porter Airlines Logo
10:45 am - 2:41 pmYUL-BOS
3h 56m1 stop
$267Porter Airlines
Find Deal
mar., oct. 7 - vie., oct. 17
Air Canada Logo
10:40 am - 3:20 pmBOS-YUL
4h 40m1 stop
Air Canada Logo
8:05 am - 9:30 amYUL-BOS
1h 25mnonstop
$269Air Canada
Find Deal
jue., sep. 4 - dom., sep. 7
Air Canada Logo
12:15 pm - 5:50 pmBOS-YUL
5h 35m1 stop
Air Canada Logo
8:05 am - 9:30 amYUL-BOS
1h 25mnonstop
$273Air Canada
Find Deal
jue., sep. 4 - dom., sep. 7
Logo
12:15 pm - 5:50 pmBOS-YUL
5h 35m1 stop
Logo
4:45 pm - 10:01 pmYUL-BOS
5h 16m1 stop
$282
Find Deal
jue., sep. 4 - dom., sep. 7

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
Sep 10
BOS5:35 pmBoston Logan Intl
4h 40m
1 stop
YUL10:15 pmMontreal Pierre Elliott Trudeau Intl
Sep 13
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
4h 21m
1 stop
BOS3:06 pmBoston Logan Intl
$242
Find similar
Porter Airlines
Sep 20
BOS7:15 amBoston Logan Intl
6h 30m
1 stop
YUL1:45 pmMontreal Pierre Elliott Trudeau Intl
Sep 23
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
3h 56m
1 stop
BOS2:41 pmBoston Logan Intl
$245
Find similar
Porter Airlines
Sep 20
BOS7:15 amBoston Logan Intl
6h 30m
1 stop
YUL1:45 pmMontreal Pierre Elliott Trudeau Intl
Sep 22
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
6h 06m
1 stop
BOS4:51 pmBoston Logan Intl
$249
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
Sep 4
BOS10:20 amBoston Logan Intl
1h 25m
YUL11:45 amMontreal Pierre Elliott Trudeau Intl
Sep 7
YUL8:05 amMontreal Pierre Elliott Trudeau Intl
1h 25m
BOS9:30 amBoston Logan Intl
$261
Find similar
Air Canada
Sep 4
BOS6:00 amBoston Logan Intl
1h 25m
YUL7:25 amMontreal Pierre Elliott Trudeau Intl
Sep 7
YUL8:05 amMontreal Pierre Elliott Trudeau Intl
1h 25m
BOS9:30 amBoston Logan Intl
$262
Find similar
Air Canada
Sep 4
BOS10:20 amBoston Logan Intl
1h 25m
YUL11:45 amMontreal Pierre Elliott Trudeau Intl
Sep 7
YUL8:05 amMontreal Pierre Elliott Trudeau Intl
1h 25m
BOS9:30 amBoston Logan Intl
$265
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 832,500 searches. Data last updated julio 31, 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

mié. 9/10

5:35 pm-10:15 pm

1 stop4h 40m

Montreal Pierre Elliott Trudeau Intl

sáb. 9/13

10:45 am-3:06 pm

1 stop4h 21m

$242

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

sáb. 9/20

7:15 am-1:45 pm

1 stop6h 30m

Montreal Pierre Elliott Trudeau Intl

mar. 9/23

10:45 am-2:41 pm

1 stop3h 56m

$245

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

sáb. 9/20

7:15 am-1:45 pm

1 stop6h 30m

Montreal Pierre Elliott Trudeau Intl

lun. 9/22

10:45 am-4:51 pm

1 stop6h 06m

$249

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

jue. 9/4

10:20 am-11:45 am

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

dom. 9/7

8:05 am-9:30 am

Nonstop1h 25m

$261

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

jue. 9/4

6:00 am-7:25 am

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

dom. 9/7

8:05 am-9:30 am

Nonstop1h 25m

$262

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

jue. 9/4

10:20 am-11:45 am

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

dom. 9/7

8:05 am-9:30 am

Nonstop1h 25m

$265

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

mar. 10/7

5:35 pm-10:15 pm

1 stop4h 40m

Montreal Pierre Elliott Trudeau Intl

vie. 10/17

10:45 am-2:41 pm

1 stop3h 56m

$267

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

jue. 9/4

10:40 am-3:20 pm

1 stop4h 40m

Montreal Pierre Elliott Trudeau Intl

dom. 9/7

8:05 am-9:30 am

Nonstop1h 25m

$269

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

jue. 9/4

12:15 pm-5:50 pm

1 stop5h 35m

Montreal Pierre Elliott Trudeau Intl

dom. 9/7

8:05 am-9:30 am

Nonstop1h 25m

$273

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

jue. 9/4

12:15 pm-5:50 pm

1 stop5h 35m

Montreal Pierre Elliott Trudeau Intl

dom. 9/7

4:45 pm-10:01 pm

1 stop5h 16m

$282

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 March is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Boston averaging around $277.

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

The cheapest day to depart from Boston to Montreal Pierre Elliott Trudeau Intl Airport is on a Thursday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Thursday will often find tickets for as low as $705. Flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport on a Saturday will generally be more expensive and average around $850. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

At noon 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 $493. Flying to Montreal Pierre Elliott Trudeau Intl Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $817.

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 $359 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 $241 on momondo.

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

There are 4 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

$108

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 $108. The best round-trip flight deal from Boston to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $242.
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?

    Boston Logan Intl and Montreal Pierre Elliott Trudeau Intl are 252.4 mi apart from one another. In terms of flight time, this usually takes a little over 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 updated daily.

  • 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 required for your trip to Montreal Pierre Elliott Trudeau Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Montreal Pierre Elliott Trudeau Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 $147Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
United AirlinesPriceFrom $165Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $262Free CancellationRating
8.0
318 reviews
Search Porter Airlines flights

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

    United Airlines flies from Boston to Montreal Pierre Elliott Trudeau Intl Airport around 27 times per week, with 8,900 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Boston to Montreal Pierre Elliott Trudeau Intl Airport in the last 72 hours was $165 (round-trip), much lower than the average airfare cost of $396 for United Airlines flights on this route.

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

    $147 is the best Air Canada flight deal from Boston to Montreal Pierre Elliott Trudeau Intl Airport found on momondo over the last 72 hours. The average Air Canada ticket price found was closer to $376, however, with flight time and availability significantly affecting the price. Air Canada (7.1/10 from 9,851 user reviews) flies into Montreal Pierre Elliott Trudeau Intl Airport from Boston 27 times in an average week so prices can vary.

Traveling to a place near Montreal?

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

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?

All flight searches from Boston to Montreal on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Boston to Montreal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Boston to Montreal flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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