HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Toronto

$102+ Cheap flights from Boston (BOS) to Toronto (YTO)

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YTO
ene. 1 — ene. 81
jue. 1/1
jue. 1/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Toronto 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 Boston Logan Intl to Toronto are usually found in October or September, booked 66 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Boston to Toronto

Cheapest flights from Boston to Toronto
Explore the most affordable flight options available from Boston to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 2, 2025.

This FlightHub deal was found by Cheapflights users on 11/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/307:00 amBOS - YTZ
Nonstop1h 55mMultiple Airlines
dom. 3/11:10 pmYTZ - BOS
Nonstop1h 35mMultiple Airlines
Deal found 11/30$227
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/297:00 amBOS - YTZ
Nonstop1h 55mPorter Airlines
jue. 1/12:05 pmYTZ - BOS
1 stop4h 05mPorter Airlines
Deal found 11/30$229
This FlightHub deal was found by Cheapflights users on 11/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/3110:20 amBOS - YTZ
Nonstop1h 55mPorter Airlines
sáb. 2/2810:30 amYTZ - BOS
1 stop7h 40mPorter Airlines
Deal found 11/30$231
This Vliegwinkel deal was found by Cheapflights users on 11/29. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/273:40 pmBOS - YTZ
1 stop6h 23mPorter Airlines
dom. 12/288:00 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 11/29$234
This Trip.com deal was found by Cheapflights users on 12/1. 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.
sáb. 12/277:00 amBOS - YTZ
Nonstop1h 55mPorter Airlines
lun. 12/298:00 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 12/1$235
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
dom. 12/283:40 pmBOS - YTZ
1 stop6h 23mPorter Airlines
mar. 1/66:55 pmYTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 12/1$238
This FlightHub deal was found by Cheapflights users on 11/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/197:00 amBOS - YTZ
Nonstop1h 55mPorter Airlines
lun. 1/197:35 amYTZ - BOS
2 stops10h 35mPorter Airlines
Deal found 11/29$241
This Air Canada deal was found by Cheapflights users on 11/30. 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.
mié. 12/315:30 amBOS - YTZ
1 stop4h 25mAir Canada
jue. 2/269:30 amYTZ - BOS
1 stop5h 22mAir Canada
Deal found 11/30$242
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
sáb. 12/277:00 amBOS - YTZ
Nonstop1h 55mPorter Airlines
mié. 12/318:00 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 12/2$243
This Trip.com deal was found by Cheapflights users on 12/2. 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.
mar. 12/306:15 amBOS - YYZ
Nonstop2h 02mAir Canada
mar. 1/68:20 amYYZ - BOS
Nonstop1h 42mAir Canada
Deal found 12/2$262
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1010:56 amBOS - YYZ
1 stop13h 15mMultiple Airlines
lun. 12/157:15 amYYZ - BOS
1 stop11h 51mMultiple Airlines
Deal found 11/30$263
This Mytrip deal was found by Cheapflights users on 12/1. 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.
vie. 12/1211:08 amBOS - YYZ
1 stop8h 52mMultiple Airlines
dom. 1/1112:15 pmYYZ - BOS
3 stops35h 42mMultiple Airlines
Deal found 12/1$270

Find flight deals from Boston to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Toronto (YTO). 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 diciembre 2, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$227
(FlightHub)

One-way from

$102
(Kiwi.com)

Popular in

November

Cheapest in

October

Average price

$357

Good round-trip deal

$287 or less

Good one-way deal

$139 or less
Provider with most accurate pricing for Boston Logan Intl-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Toronto (YTO) flights.
Search Deals
From Boston Logan Intl to Toronto (YTO)
Search Deals
One-way flight from Boston Logan Intl to Toronto (YTO)
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Toronto (YTO).
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Toronto (YTO).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Toronto 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 diciembre 2, 2025.
Use the filters below to find and compare flights from Boston to Toronto that are best for you.

Fly from

Boston

Fly to

Toronto

Route

Depart

Return

Price

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

vie. 1/16

3:30 pm-7:08 pm

1 stop3h 38m

Toronto Island

lun. 1/19

7:35 am-6:10 pm

2 stops10h 35m

$234

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

vie. 1/2

7:05 am-9:00 am

Nonstop1h 55m

Toronto Island

mié. 2/25

2:05 pm-6:10 pm

1 stop4h 05m

$237

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

lun. 12/29

7:00 am-8:55 am

Nonstop1h 55m

Toronto Island

mié. 2/25

2:05 pm-6:10 pm

1 stop4h 05m

$237

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

sáb. 1/3

7:05 am-9:00 am

Nonstop1h 55m

Toronto Island

mié. 2/25

2:05 pm-6:10 pm

1 stop4h 05m

$237

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

vie. 3/6

6:15 am-8:17 am

Nonstop2h 02m

Toronto Pearson Intl

lun. 3/16

10:30 am-12:12 pm

Nonstop1h 42m

$238

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

sáb. 3/7

7:55 pm-9:58 pm

Nonstop2h 03m

Toronto Pearson Intl

sáb. 3/14

4:20 pm-6:02 pm

Nonstop1h 42m

$238

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

vie. 4/24

6:15 am-8:08 am

Nonstop1h 53m

Toronto Pearson Intl

dom. 4/26

8:10 am-9:51 am

Nonstop1h 41m

$238

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

mar. 2/3

5:30 am-11:55 am

1 stop6h 25m

Toronto Island

jue. 2/5

9:30 am-2:52 pm

1 stop5h 22m

$242

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

mar. 12/30

3:40 pm-10:03 pm

1 stop6h 23m

Toronto Island

lun. 3/2

2:05 pm-6:10 pm

1 stop4h 05m

$242

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

sáb. 12/27

7:00 am-8:55 am

Nonstop1h 55m

Toronto Island

mié. 12/31

8:00 am-9:35 am

Nonstop1h 35m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

Showing 1-10 of 42 results
1
2
3
...
5

Compare providers for flights from Boston to Toronto

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 Boston to Toronto in December.
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
Trip.comPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 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 Boston-Toronto flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Boston-Toronto flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Boston-Toronto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Toronto 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 Boston-Toronto 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 Boston to Toronto

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Toronto. Price data was last updated on November 28, 2025.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Toronto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, April is the cheapest month in which you can book a flight from Boston to Toronto (average of $117). Flying from Boston to Toronto in July is currently the most expensive (average of $230). 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 BOS to YTO?

Find hourly flight availability from Boston to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 2, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Toronto in the morning. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the evening.

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

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

Travelers seeking maximum savings on their Boston to Toronto flight should consider departing on Sunday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Toronto

Explore weekly flight availability from Boston to Toronto. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated diciembre 2, 2025.

The most flights from BOS to YTO are scheduled on a Friday (22 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (17 on average).

How much does it cost to fly round-trip from Boston to Toronto?

How often are flights from Boston to Toronto delayed?

About 22% of weekly flights between Boston and Toronto have experienced delays in the past year, with the average delay time being 134 minutes.

What is the most punctual flight time for Boston to Toronto flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Boston to Toronto flights?

Over the last year, Air Canada have had the lowest number of delays on this route, with just 22% of flights being delayed.

The best insider tips for Boston to Toronto flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Toronto trip
Airlines
Porter Airlines

Porter offers free snacks and drinks with no middle seats, enhancing short-haul comfort.


PorterReserve includes expedited security and early boarding, ideal for business travelers.

Read more about Porter Airlinesby Daniel Scheffler
Air Canada

Air Canada offers high-speed Wi-Fi on most flights, perfect for staying connected.


Preferred Seats provide extra legroom, ideal for taller passengers on short flights.

Read more about Air Canadaby Jessica Macdonald
Airports
BOS

For a scenic arrival, consider the water taxi service from BOS to Boston’s Long Wharf or Seaport District.

Read more about BOSby Paul Rubio
YYZ

Expect a quick customs process at YYZ, even during peak hours, when arriving from the US.

Read more about YYZby Kaitlyn McInnis
YTZ

YTZ offers free shuttle buses to and from Union Station every 15 minutes, making city access easy and affordable.

Read more about YTZby Kaitlyn McInnis
Our travel experts
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 Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated diciembre 2, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Delta, and Air Transat from Boston to Toronto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
394 reviews

Entertainment

7.0

Comfort

8.0

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
394 reviews
Porter Airlines
8.0
Very good
394 reviews

Entertainment

7.0

Comfort

8.0

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Delta
7.9
Good
8,013 reviews
Porter Airlines
8.0
Very good
394 reviews

Entertainment

7.0

Comfort

8.0

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.8
Good
480 reviews
Porter Airlines
8.0
Very good
394 reviews

Entertainment

7.0

Comfort

8.0

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,063 reviews
Porter Airlines
8.0
Very good
394 reviews

Entertainment

7.0

Comfort

8.0

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,495 reviews
Porter Airlines
8.0
Very good
394 reviews

Entertainment

7.0

Comfort

8.0

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

Find useful and relevant information for your journey from Boston to Toronto. 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 from for flights from Boston to Toronto?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Toronto. On average, Logan Intl has 20 outbound flights to Toronto per day from 6 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How long is the flight from Boston to Toronto?

    Porter Airlines and Air Canada can get you from Boston to Toronto in just under 2h 02m. Your travel time can differ by up to 1h 36m. The distance between Boston and Toronto is about 444 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 Boston to Toronto round-trip?

    Porter Airlines, at $125, was found to be the cheapest airline from Boston to Toronto.Alternate airlines to your destination round-trip include Delta and Air Canada. Porter Airlines is priced at 60% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $99. Users have also found prices from $101 and $101 on Porter Airlines and Air Transat, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Toronto on time: Brussels Airlines (92%), Jazz (69%), ITA Airways (69%).

  • What are the cheapest flights from Boston to Toronto?

    While on average a flight from Boston to Toronto is generally $903, our data shows the cheapest flight currently is $144. When looking at the most popular route, (Boston Logan Intl - Toronto Pearson Intl), you can expect to pay $192 for that flight.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Boston to Toronto (average of $117). Flying from Boston to Toronto in July is currently the most expensive (average of $230). 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

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 6 airlines flying from Boston to Toronto

Discover the top 6 airlines that operate flights from Boston to Toronto. 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 diciembre 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$126Average$336FlexibilityNo cancel feeOn-timeN/A
Porter AirlinesCheapest$126Average$283FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$211Average$361FlexibilityNo cancel feeOn-time67%
Air TransatCheapest$229Average$337FlexibilityNo cancel feeOn-time50%
United AirlinesCheapest$238Average$373FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$346FlexibilityNo cancel feeOn-time71%

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.