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Cheap flights from Boston to Montreal from £85

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 10/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to Montreal

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:10 - 12:10
BOS
-
YUL
5h 00m
1 stop
Multiple Airlines Logo
07:30 - 14:02
YUL
-
BOS
6h 32m
1 stop
£174Multiple Airlines
Thu, 20 Aug - Sun, 23 Aug
Multiple Airlines Logo
20:31 - 10:40
BOS
-
YUL
14h 09m
1 stop
Multiple Airlines Logo
13:15 - 14:41
YUL
-
BOS
1h 26mdirect
£178Multiple Airlines
Wed, 16 Sep - Thu, 17 Sep
Multiple Airlines Logo
16:45 - 18:15
BOS
-
YUL
1h 30mdirect
Multiple Airlines Logo
08:45 - 14:02
YUL
-
BOS
5h 17m
1 stop
£178Multiple Airlines
Thu, 20 Aug - Sun, 23 Aug
Air Canada Logo
05:45 - 07:15
BOS
-
YUL
1h 30mdirect
Air Canada Logo
08:20 - 09:45
YUL
-
BOS
1h 25mdirect
£180Air Canada
Thu, 20 Aug - Sun, 23 Aug
Porter Airlines Logo
07:00 - 11:15
BOS
-
YUL
4h 15m
1 stop
Porter Airlines Logo
10:35 - 16:46
YUL
-
BOS
6h 11m
1 stop
£200Porter Airlines
Fri, 2 Oct - Sun, 4 Oct
Porter Airlines Logo
16:45 - 18:15
BOS
-
YUL
1h 30mdirect
Porter Airlines Logo
19:20 - 20:55
YUL
-
BOS
1h 35mdirect
£204Porter Airlines
Sat, 22 Aug - Tue, 25 Aug
Porter Airlines Logo
16:45 - 18:15
BOS
-
YUL
1h 30mdirect
Porter Airlines Logo
12:50 - 19:50
YUL
-
BOS
7h 00m
1 stop
£213Porter Airlines
Sat, 22 Aug - Tue, 25 Aug
Porter Airlines Logo
16:45 - 18:15
BOS
-
YUL
1h 30mdirect
Porter Airlines Logo
06:30 - 10:30
YUL
-
BOS
4h 00m
1 stop
£229Porter Airlines
Tue, 25 Aug - Tue, 1 Sep
Porter Airlines Logo
16:45 - 18:15
BOS
-
YUL
1h 30mdirect
Porter Airlines Logo
19:20 - 20:55
YUL
-
BOS
1h 35mdirect
£230Porter Airlines
Sun, 16 Aug - Sat, 22 Aug
Porter Airlines Logo
07:10 - 12:10
BOS
-
YUL
5h 00m
1 stop
Porter Airlines Logo
12:50 - 19:50
YUL
-
BOS
7h 00m
1 stop
£237Porter Airlines
Sun, 16 Aug - Tue, 25 Aug

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

Our best United Airlines deals on Boston to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
United Airlines
16 Aug
BOS07:30Boston Logan Intl
8h 40m
1 stop
YUL16:10Montreal Pierre Elliott Trudeau Intl
22 Aug
YUL06:00Montreal Pierre Elliott Trudeau Intl
11h 53m
1 stop
BOS17:53Boston Logan Intl
£248
United Airlines
8 Sept
BOS18:00Boston Logan Intl
4h 06m
1 stop
YUL22:06Montreal Pierre Elliott Trudeau Intl
12 Sept
YUL06:00Montreal Pierre Elliott Trudeau Intl
3h 52m
1 stop
BOS09:52Boston Logan Intl
£250
United Airlines
16 Oct
BOS10:40Boston Logan Intl
1h 15m
YUL11:55Montreal Pierre Elliott Trudeau Intl
18 Oct
YUL08:25Montreal Pierre Elliott Trudeau Intl
1h 25m
BOS09:50Boston Logan Intl
£256

Delta flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport

Our best Delta deals on Boston to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Delta
29 Sept
BOS13:00Boston Logan Intl
5h 53m
1 stop
YUL18:53Montreal Pierre Elliott Trudeau Intl
3 Oct
YUL06:00Montreal Pierre Elliott Trudeau Intl
13h 23m
2 stops
BOS19:23Boston Logan Intl
£302
Delta
22 Aug
BOS06:05Boston Logan Intl
17h 47m
2 stops
YUL23:52Montreal Pierre Elliott Trudeau Intl
26 Aug
YUL09:30Montreal Pierre Elliott Trudeau Intl
4h 52m
1 stop
BOS14:22Boston Logan Intl
£326
Delta
25 Aug
BOS11:00Boston Logan Intl
7h 54m
1 stop
YUL18:54Montreal Pierre Elliott Trudeau Intl
1 Sept
YUL06:00Montreal Pierre Elliott Trudeau Intl
11h 34m
2 stops
BOS17:34Boston Logan Intl
£354

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 1 August 2026.
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

Cheapest return flight

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 20/8

07:10-12:10

1 stop5h 00m

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

07:30-14:02

1 stop6h 32m

£174

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Wed 16/9

20:31-10:40

1 stop14h 09m

Montreal Pierre Elliott Trudeau Intl

Thu 17/9

13:15-14:41

Nonstop1h 26m

£178

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 20/8

16:45-18:15

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

08:45-14:02

1 stop5h 17m

£178
Fastest return journey

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 20/8

05:45-07:15

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

08:20-09:45

Nonstop1h 25m

£180

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Fri 2/10

07:00-11:15

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 4/10

10:35-16:46

1 stop6h 11m

£200

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 22/8

16:45-18:15

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

19:20-20:55

Nonstop1h 35m

£204

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 22/8

16:45-18:15

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

12:50-19:50

1 stop7h 00m

£213

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 25/8

16:45-18:15

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

06:30-10:30

1 stop4h 00m

£229

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sun 16/8

16:45-18:15

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

19:20-20:55

Nonstop1h 35m

£230

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sun 16/8

07:10-12:10

1 stop5h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

12:50-19:50

1 stop7h 00m

£237

Flights are sorted by cheapest return 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?

Prices are currently low for flights on this route.

Typical prices usually range from £204 to £413.
The lowest price recently found on this route was £174.

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

In general, June is the cheapest month to fly from Boston to Montreal Pierre Elliott Trudeau Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £253. If you are unable to visit Montreal Pierre Elliott Trudeau Intl Airport during the month of June, then departing from Boston during the month July is also very affordable. Most momondo users find prices during this month for around £258.

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

Our data shows that Monday is the least expensive day to fly to Montreal Pierre Elliott Trudeau Intl Airport. Tickets to fly out on this day can be as low as £283. Flights from Boston to Montreal Pierre Elliott Trudeau Intl Airport on a Thursday will generally be more expensive and average around £804. 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?

Flying to Montreal Pierre Elliott Trudeau Intl Airport from Boston in the morning is the least expensive time of day to depart. momondo users have found prices as low as £304 when looking at flights departing in the morning. Flights in the afternoon are often more expensive, with an average ticket price of £508.

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 from Boston 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 £307 when searching weeks before you fly. 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 £234 on momondo.

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

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

Can stopping save me money on Boston to Montreal Pierre Elliott Trudeau Intl Airport flights?

You could potentially save up to 82% on your flight if you consider stops on a Boston to Montreal Pierre Elliott Trudeau Intl Airport flight.

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

As of August 2026, prices for Boston to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 26% cheaper 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 return 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

Fastest flight time

1h 23m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun
The fastest flight from Boston to Montreal Pierre Elliott Trudeau Intl Airport takes 1h 23m
Direct flights go from Boston to Montreal Pierre Elliott Trudeau Intl Airport on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
Search flight deals

Frequently asked questions about flying from Boston to Montreal Pierre Elliott Trudeau Intl Airport

  • 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 252.4 mi. Flights usually cover this in 1h 23m, depending on flying conditions and air traffic around both airports.

  • 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 were last updated today.

  • 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?

Travelling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Cornwall
Longueuil
Magog
Laval
Dorval
Montebello

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Montreal from Boston.

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

Yes. momondo allows you to filter the results for Boston to Montreal flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Montreal from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Montreal, momondo offers a useful price alert feature which will track prices for flights to Montreal from Boston and alert you when they change.

An easier way to manage your Montreal Pierre Elliott Trudeau Intl Airport trip

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