Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Toronto from C$ 140

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 Toronto departing on 29/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Boston to Toronto

Cheap round-trip flights

Air Canada Logo
6:00 a.m. - 1:03 p.m.BOS-YYZ
7h 03m2 stops
Air Canada Logo
12:30 a.m. - 9:30 a.m.YYZ-BOS
9h 00m2 stops
C$ 294Air Canada
Find Deal
Thu, 2 Oct - Sat, 4 Oct
Air Canada Logo
12:15 p.m. - 2:03 p.m.BOS-YYZ
1h 48mdirect
Air Canada Logo
12:30 a.m. - 9:30 a.m.YYZ-BOS
9h 00m2 stops
C$ 295Air Canada
Find Deal
Thu, 2 Oct - Sat, 4 Oct
Air Canada Logo
6:00 a.m. - 10:39 a.m.BOS-YYZ
4h 39m1 stop
Air Canada Logo
12:30 a.m. - 9:30 a.m.YYZ-BOS
9h 00m2 stops
C$ 296Air Canada
Find Deal
Thu, 2 Oct - Sat, 4 Oct
Air Canada Logo
6:00 a.m. - 10:39 a.m.BOS-YYZ
4h 39m1 stop
Air Canada Logo
8:15 a.m. - 9:55 a.m.YYZ-BOS
1h 40mdirect
C$ 298Air Canada
Find Deal
Mon, 20 Oct - Fri, 24 Oct
Air Canada Logo
5:30 a.m. - 11:40 a.m.BOS-YYZ
6h 10m1 stop
Air Canada Logo
8:15 a.m. - 9:57 a.m.YYZ-BOS
1h 42mdirect
C$ 299Air Canada
Find Deal
Fri, 14 Nov - Mon, 17 Nov
United Airlines Logo
6:00 a.m. - 11:49 a.m.BOS-YYZ
5h 49m1 stop
United Airlines Logo
3:00 p.m. - 7:54 p.m.YYZ-BOS
4h 54m1 stop
C$ 319United Airlines
Find Deal
Tue, 7 Oct - Tue, 7 Oct
Logo
6:16 a.m. - 8:55 p.m.BOS-YYZ
14h 39m1 stop
Logo
1:30 p.m. - 11:26 a.m.YYZ-BOS
21h 56m1 stop
C$ 323
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Logo
6:16 a.m. - 2:40 p.m.BOS-YYZ
8h 24m1 stop
Logo
11:15 a.m. - 11:59 p.m.YYZ-BOS
12h 44m1 stop
C$ 326
Find Deal
Sat, 1 Nov - Tue, 4 Nov
WestJet Logo
6:30 p.m. - 6:52 a.m.BOS-YYZ
12h 22m1 stop
WestJet Logo
10:00 a.m. - 6:10 p.m.YYZ-BOS
32h 10m1 stop
C$ 335WestJet
Find Deal
Sat, 11 Oct - Sun, 12 Oct
United Airlines Logo
9:30 a.m. - 5:14 p.m.BOS-YYZ
7h 44m1 stop
United Airlines Logo
7:30 a.m. - 1:25 p.m.YYZ-BOS
5h 55m1 stop
C$ 367United Airlines
Find Deal
Wed, 8 Oct - Sun, 12 Oct

Air Canada flights from Boston to Toronto Pearson Intl Airport

Our best Air Canada deals on Boston to Toronto Pearson Intl Airport flight tickets
Air Canada
2 Oct
BOS6:00 a.m.Boston Logan Intl
7h 03m
2 stops
YYZ1:03 p.m.Toronto Pearson Intl
4 Oct
YYZ12:30 a.m.Toronto Pearson Intl
9h 00m
2 stops
BOS9:30 a.m.Boston Logan Intl
C$ 294
Find similar
Air Canada
2 Oct
BOS12:15 p.m.Boston Logan Intl
1h 48m
YYZ2:03 p.m.Toronto Pearson Intl
4 Oct
YYZ12:30 a.m.Toronto Pearson Intl
9h 00m
2 stops
BOS9:30 a.m.Boston Logan Intl
C$ 295
Find similar
Air Canada
2 Oct
BOS6:00 a.m.Boston Logan Intl
4h 39m
1 stop
YYZ10:39 a.m.Toronto Pearson Intl
4 Oct
YYZ12:30 a.m.Toronto Pearson Intl
9h 00m
2 stops
BOS9:30 a.m.Boston Logan Intl
C$ 296
Find similar

United Airlines flights from Boston to Toronto Pearson Intl Airport

Our best United Airlines deals on Boston to Toronto Pearson Intl Airport flight tickets
United Airlines
7 Oct
BOS6:00 a.m.Boston Logan Intl
5h 49m
1 stop
YYZ11:49 a.m.Toronto Pearson Intl
7 Oct
YYZ3:00 p.m.Toronto Pearson Intl
4h 54m
1 stop
BOS7:54 p.m.Boston Logan Intl
C$ 319
Find similar
United Airlines
8 Oct
BOS9:30 a.m.Boston Logan Intl
7h 44m
1 stop
YYZ5:14 p.m.Toronto Pearson Intl
12 Oct
YYZ7:30 a.m.Toronto Pearson Intl
5h 55m
1 stop
BOS1:25 p.m.Boston Logan Intl
C$ 367
Find similar
United Airlines
23 Sep
BOS7:12 p.m.Boston Logan Intl
14h 52m
1 stop
YYZ10:04 a.m.Toronto Pearson Intl
24 Sep
YYZ1:00 p.m.Toronto Pearson Intl
6h 24m
1 stop
BOS7:24 p.m.Boston Logan Intl
C$ 388
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Toronto Pearson 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 11 September 2025.
Use the filters below to find and compare flights from Boston to Toronto Pearson Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 2/10

6:00 a.m.-1:03 p.m.

2 stops7h 03m

Toronto Pearson Intl

Sat 4/10

12:30 a.m.-9:30 a.m.

2 stops9h 00m

C$ 294

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 2/10

12:15 p.m.-2:03 p.m.

Nonstop1h 48m

Toronto Pearson Intl

Sat 4/10

12:30 a.m.-9:30 a.m.

2 stops9h 00m

C$ 295

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 2/10

6:00 a.m.-10:39 a.m.

1 stop4h 39m

Toronto Pearson Intl

Sat 4/10

12:30 a.m.-9:30 a.m.

2 stops9h 00m

C$ 296

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Mon 20/10

6:00 a.m.-10:39 a.m.

1 stop4h 39m

Toronto Pearson Intl

Fri 24/10

8:15 a.m.-9:55 a.m.

Nonstop1h 40m

C$ 298

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 14/11

5:30 a.m.-11:40 a.m.

1 stop6h 10m

Toronto Pearson Intl

Mon 17/11

8:15 a.m.-9:57 a.m.

Nonstop1h 42m

C$ 299

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 7/10

6:00 a.m.-11:49 a.m.

1 stop5h 49m

Toronto Pearson Intl

Tue 7/10

3:00 p.m.-7:54 p.m.

1 stop4h 54m

C$ 319

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 7/10

6:16 a.m.-8:55 p.m.

1 stop14h 39m

Toronto Pearson Intl

Tue 14/10

1:30 p.m.-11:26 a.m.

1 stop21h 56m

C$ 323

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 1/11

6:16 a.m.-2:40 p.m.

1 stop8h 24m

Toronto Pearson Intl

Tue 4/11

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

1 stop12h 44m

C$ 326

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 11/10

6:30 p.m.-6:52 a.m.

1 stop12h 22m

Toronto Pearson Intl

Sun 12/10

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

1 stop32h 10m

C$ 335

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 8/10

9:30 a.m.-5:14 p.m.

1 stop7h 44m

Toronto Pearson Intl

Sun 12/10

7:30 a.m.-1:25 p.m.

1 stop5h 55m

C$ 367

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Toronto from

How to get the cheapest flight ticket from Boston to Toronto Pearson 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 cheapest month to fly to Toronto Pearson Intl Airport?

If you aren’t able to travel during the month of March, then book flights to Toronto Pearson Intl Airport from Boston during May instead. Flights to Toronto Pearson Intl Airport in May, while not as cheap as those in March, still average around C$ 464.

What is the cheapest day to depart on your flight to Toronto Pearson Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Toronto Pearson Intl Airport. Tickets to fly out on this day can be as low as C$ 443. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Toronto Pearson Intl Airport for around C$ 573.

What is the cheapest time of day to depart on your flight to Toronto Pearson Intl Airport?

Our data shows that the cheapest Boston to Toronto Pearson Intl Airport flights are usually those with departure times in the morning. Our users have found flights to Toronto Pearson Intl Airport in the morning for as low as C$ 493. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 722 on average. Flights to Toronto Pearson Intl Airport from Boston in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Boston Logan Intl to Toronto Pearson Intl flight route?

Fly from Boston Logan Intl to Toronto Pearson Intl for the best Boston Logan Intl - Toronto Pearson Intl flight prices

How far in advance should I book a flight to Toronto Pearson Intl Airport?

You are more likely to see cheaper flights to Toronto Pearson Intl Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto Pearson Intl Airport for around C$ 519 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto Pearson Intl Airport from Boston for as low as C$ 360 on momondo.

What cabin class options are available on Boston Logan Intl to Toronto Pearson Intl flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to Toronto Pearson 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 Toronto Pearson Intl Airport flight prices changed over time?

As of September 2025, prices for Boston to Toronto Pearson Intl Airport flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Toronto Pearson Intl Airport

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

Cheap Boston to Toronto Pearson Intl Airport (BOS to YYZ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Toronto Pearson Intl Airport

Best price found

C$ 254

Fastest flight time

1h 48m

Direct flights

Every day
The best one-way flight to Toronto Pearson Intl Airport from Boston in the past 72 hours is C$ 254. The best round-trip flight deal from Boston to Toronto Pearson Intl Airport found on momondo in the last 72 hours is C$ 328.
The fastest flight from Boston to Toronto Pearson Intl Airport takes 1h 48m
Direct flights go from Boston to Toronto Pearson Intl Airport every day.
Search flight deals

  • How far is Boston Logan Intl to Toronto Pearson Intl by plane?

    The distance between Boston Logan Intl and Toronto Pearson Intl is about 710.3 km. Typically, this will take 1h 48m by plane in normal conditions.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Toronto Pearson Intl Airport?

    Prices for flights from Boston Logan Intl Airport to Toronto Pearson Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Toronto Pearson Intl Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Toronto Pearson 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 Toronto Pearson Intl Airport.

  • What documentation or ID do you need to fly to Toronto Pearson Intl Airport?

    The travel and health documents you'll need for your trip to Toronto Pearson 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 Toronto Pearson 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 Toronto Pearson Intl Airport?

  • What is the most popular airline from Boston to Toronto Pearson Intl Airport?

Best airlines flying from Boston to Toronto Pearson Intl Airport

Compare and see reviews for airlines that fly from Boston to Toronto Pearson Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 271Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 295Free CancellationRating
7.9
363 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 345Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

  • United Airlines Flights From Boston to Toronto Pearson Intl Airport

    United Airlines flight deals from Boston to Toronto Pearson Intl Airport start from C$ 249 round-trip. Over the 36 United Airlines flights for this route in a normal week, average airfare is usually C$ 388 round-trip - but some users have found much cheaper deals with momondo.

  • Air Canada Flights From Boston to Toronto Pearson Intl Airport

    C$ 196 is the best Air Canada flight deal from Boston to Toronto Pearson Intl Airport found on momondo over the last 72 hours. The average Air Canada ticket price found was closer to C$ 344, however, with flight time and availability significantly affecting the price. Air Canada (7.1/10 from 10,000 user reviews) flies into Toronto Pearson Intl Airport from Boston 34 times in an average week so prices can vary.

Travelling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Niagara Falls
Mississauga
Brampton
Collingwood
Oshawa
Muskoka
Markham
Barrie
Niagara-on-the-Lake
Vaughan
Guelph
Kitchener
Brantford
Burlington
Orillia
Peterborough
Cambridge
St. Catharines
Oakville
Pickering

Why use momondo?

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

Finding the right flight to Toronto from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Toronto quick and easy, saving you time and money.

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

Yes. All flights to Toronto from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Boston and Toronto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Toronto from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Toronto Pearson Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/10
Sat 18/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Toronto