HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$127+ Cheap flights from Toronto (YTO) to Boston (BOS)

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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — BOS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Toronto to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Toronto to Boston Logan Intl are usually found in September or March, booked 60 days in advance, depart on a Thursday or Friday and return on a Friday

Find flight deals from Toronto to Boston

Cheapest flights from Toronto to Boston
Explore the most affordable flight options available from Toronto to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:00 pmYYZ - BOS
1 stop6h 12mAir Canada
Sun 11/236:15 amBOS - YYZ
Nonstop2h 02mAir Canada
Deal found 10/29$202
This Trip.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:55 pmYYZ - BOS
Nonstop1h 42mAir Canada
Thu 12/46:15 amBOS - YYZ
Nonstop2h 02mAir Canada
Deal found 10/30$206
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:55 pmYYZ - BOS
Nonstop1h 42mAir Canada
Thu 12/46:15 amBOS - YYZ
Nonstop2h 02mAir Canada
Deal found 10/28$207
This SmartFares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2011:05 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Fri 11/217:00 amBOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 10/29$215
This Air Canada deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:00 amYYZ - BOS
1 stop5h 52mAir Canada
Fri 11/286:15 amBOS - YYZ
Nonstop2h 02mAir Canada
Deal found 10/30$215
This Trip.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:20 pmYTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 11/237:00 amBOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 10/29$217
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:00 pmYYZ - BOS
1 stop6h 12mAir Canada
Sun 1/410:45 amBOS - YYZ
Nonstop2h 03mAir Canada
Deal found 10/29$217
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:05 pmYTZ - BOS
1 stop4h 06mPorter Airlines
Thu 12/113:40 pmBOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 10/29$222
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:30 amYYZ - BOS
Nonstop1h 42mAir Canada
Thu 11/206:15 amBOS - YYZ
Nonstop2h 02mAir Canada
Deal found 10/29$225
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/221:20 pmYTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 11/237:00 amBOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 10/29$228
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:00 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Mon 12/13:40 pmBOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 10/28$229
This FlightHub deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:05 pmYTZ - BOS
1 stop4h 06mPorter Airlines
Mon 12/13:40 pmBOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 10/28$232

Cheap flight deals from Toronto to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) 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 October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$202
(Mytrip)

One-way from

$127
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$280

Good round-trip deal

$228 or less

Good one-way deal

$162 or less
Provider with most accurate pricing for Toronto (YTO)-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Boston Logan Intl flights.
Search Deals
From Toronto (YTO) to Boston Logan Intl
Search Deals
One-way flight from Toronto (YTO) to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Toronto (YTO) to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Toronto (YTO) to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto 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 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Toronto to Boston that are best for you.

Fly from

Toronto

Fly to

Boston

Route

Depart

Return

Price

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sun 1/11

9:30 am-11:05 am

Nonstop1h 35m

Boston Logan Intl

Sun 1/18

6:55 pm-8:54 pm

Nonstop1h 59m

$215

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 11/24

2:05 pm-6:11 pm

1 stop4h 06m

Boston Logan Intl

Thu 12/4

7:00 am-8:55 am

Nonstop1h 55m

$220

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 12/8

2:05 pm-6:11 pm

1 stop4h 06m

Boston Logan Intl

Thu 12/11

7:00 am-8:55 am

Nonstop1h 55m

$220

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 2/5

2:05 pm-6:10 pm

1 stop4h 05m

Boston Logan Intl

Mon 2/9

3:30 pm-7:08 pm

1 stop3h 38m

$221

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 2/19

2:05 pm-6:10 pm

1 stop4h 05m

Boston Logan Intl

Sun 2/22

6:55 pm-8:54 pm

Nonstop1h 59m

$231

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 1/21

6:55 pm-8:30 pm

Nonstop1h 35m

Boston Logan Intl

Sun 1/25

6:55 pm-8:54 pm

Nonstop1h 59m

$232

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 11/24

2:05 pm-6:11 pm

1 stop4h 06m

Boston Logan Intl

Mon 12/1

3:40 pm-10:03 pm

1 stop6h 23m

$232

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 12/5

8:30 pm-10:05 pm

Nonstop1h 35m

Boston Logan Intl

Tue 12/9

3:40 pm-10:03 pm

1 stop6h 23m

$235

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 11/14

1:20 pm-2:55 pm

Nonstop1h 35m

Boston Logan Intl

Sun 11/16

7:00 am-8:55 am

Nonstop1h 55m

$244

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 11/12

11:05 am-12:40 pm

Nonstop1h 35m

Boston Logan Intl

Fri 11/14

3:40 pm-10:03 pm

1 stop6h 23m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
1
2
3
...
6

Compare providers for flights from Toronto to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Toronto to Boston in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Toronto-Boston flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Toronto-Boston flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Toronto-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Toronto-Boston flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Toronto-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Toronto to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Toronto 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 Toronto to Boston

How far ahead should I book a flight from Toronto to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Toronto to Boston. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Toronto to Boston, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Toronto to Boston?

Currently, December is the cheapest month in which you can book a flight from Toronto to Boston (average of $124). Flying from Toronto to Boston in February is currently the most expensive (average of $228). 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 YTO to BOS?

Find hourly flight availability from Toronto 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 October 30, 2025.

It’s optimal to fly from Toronto to Boston at noon. By choosing this option you can save up to 63% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Toronto to Boston?

Use this chart to determine the cheapest time to fly round-trip from Toronto to Boston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Toronto to Boston flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday evenings 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 Toronto to Boston?

The best insider tips for Toronto to Boston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Toronto to Boston trip
Airlines
Emirates

Emirates offers generous baggage policies with one checked and carry-on bag included for economy passengers.


Emirates' user-friendly app helps compare prices and check onboard menus before booking.

Read more about Emiratesby Blane Bachelor
Porter Airlines

Porter Airlines' no middle seats ensure comfort with aisle or window options only.


PorterReserve offers extra legroom with 36 inches and premium snacks included.

Read more about Porter Airlinesby Daniel Scheffler
Air Canada

Air Canada offers Preferred Seats with up to four extra inches of space for a fee.


Air Canada provides high-speed Wi-Fi on most flights, bookable with cash or Aeroplan Points.

Read more about Air Canadaby Jessica Macdonald
Airports
YYZ

YYZ offers efficient security lines for domestic flights, typically moving quickly even during peak times.

Read more about YYZby Kaitlyn McInnis
YTZ

YTZ is known for its fast airport security and convenient location, making it ideal for quick departures to the US.

Read more about YTZby Kaitlyn McInnis
BOS

BOS offers easy access to downtown Boston via rideshares, public transit, and a unique water taxi service for a scenic alternative.

Read more about BOSby Paul Rubio
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on Emirates

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Porter Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Kaitlyn McInnis

Kaitlyn McInnis

Expert on YYZ and YTZ

Kaitlyn McInnis

Kaitlyn McInnis

Kaitlyn is a guidebook author and travel writer splitting her time between Atlantic Canada and Istanbul, Türkiye. She has visited over fifty countries and all seven continents, so she is very familiar with many hotels, airports and airlines around the globe. But her favorite type of vacation is sunbathing by the sea with a good book in hand.

Read more

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 October 30, 2025.
Read through reviews of airlines operating flights from Toronto to Boston, such as Porter Airlines, Air Transat, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.8
Good
469 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,998 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,377 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Toronto 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 Toronto?

    Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Boston from Toronto. Booking flights from Toronto to Logan Intl (BOS) should be relatively easy as there are 11 daily inbound flights from Toronto from 3 different airlines.

  • How long is the flight from Toronto to Boston?

    For as low as $215, Porter Airlines can have you in Boston from Toronto in 1h 35m. Toronto and Boston are separated by a distance of 432 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Toronto to Boston round-trip?

    Cheapflights users have booked flights from Toronto to Boston round-trip from $179. Other airlines that can offer you cheap pricing are Air Canada, from $180, and United Airlines, from $213. You may be able to fly from Toronto to Boston for 34% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as $128. Users have also found prices from $137 and $139 on Air Canada and Air Transat, respectively.

  • What are the most popular routes from Toronto to Boston?

    The most popular flight routes from Toronto to Boston are Toronto Pearson Intl - Boston Logan Intl, Toronto Island - Boston Logan Intl and Hamilton - Boston Logan Intl.

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

    Consider United Airlines (57%), Air Canada (52%) or ITA Airways (50%) when booking your flight. These represent the most reliable airlines when flying from Toronto to Boston.

  • What are the cheapest flights from Toronto to Boston?

    On average you can expect to pay $1,442 for a flight from Toronto to Boston. The cheapest flight overall is $119 while the most popular route, (Toronto Pearson Intl - Boston Logan Intl) is currently priced at $229.

  • Can I find deals for flights from Toronto to Boston that include hotel bookings?

    Yes. In addition to deals on Toronto to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Toronto to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to Boston.

  • Can I find deals for business class flights from Toronto to Boston?

    Yes. Cheapflights offers flight deals from Toronto 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 Toronto to Boston?

    Currently, December is the cheapest month in which you can book a flight from Toronto to Boston (average of $124). Flying from Toronto to Boston in February is currently the most expensive (average of $228). 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Peabody
Quincy
York Beach
Warwick
Swansea
Old Orchard Beach
Brockton
Waltham
Chelsea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Toronto to Boston

Discover the top 3 airlines that operate flights from Toronto 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 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$179Average$320FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$180Average$311FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$213Average$391FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.