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Cheap flights from Toronto to Boston from C$ 189

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — BOS
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

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

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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 13 November 2025.

Wed 3/1211:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Thu 4/127:00 p.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 12/11C$ 294
Thu 4/128:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 7/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 10/11C$ 296
Thu 11/128:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Mon 15/125:30 a.m.BOS - YYZ
1 stop6h 10mAir Canada
Deal found 11/11C$ 297
Fri 19/1211:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 4/17:05 a.m.BOS - YTZ
Nonstop1h 59mPorter Airlines
Deal found 12/11C$ 298
Thu 18/121:20 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Wed 7/16:55 p.m.BOS - YTZ
Nonstop1h 59mPorter Airlines
Deal found 11/11C$ 300
Fri 12/129:00 a.m.YYZ - BOS
1 stop5h 52mAir Canada
Sun 14/125:30 a.m.BOS - YYZ
1 stop5h 19mAir Canada
Deal found 12/11C$ 300
Thu 11/121:20 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Mon 15/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 12/11C$ 301
Tue 9/1211:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Tue 16/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 11/11C$ 303
Thu 4/128:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Sun 7/126:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Deal found 13/11C$ 303
Mon 8/122:05 p.m.YTZ - BOS
1 stop4h 06mPorter Airlines
Mon 15/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 12/11C$ 304
Fri 5/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 7/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 13/11C$ 307
Thu 25/1212:30 a.m.YYZ - BOS
1 stop9h 02mAir Canada
Fri 2/16:40 p.m.BOS - YYZ
1 stop4h 54mAir Canada
Deal found 11/11C$ 310

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 13 November 2025.

Round-trip from

C$ 293

One-way from

C$ 189

Popular in

November

Cheapest in

October

Average price

C$ 420

Good round-trip deal

C$ 329 or less

Good one-way deal

C$ 227 or less
Porter Airlines
  • Porter Airlines
  • 18/1-25/1
  • 1 total stop
  • 8h 08m total
  • Toronto to Boston
Search Deals
Porter Airlines
  • Porter Airlines
  • 8/12
  • 1 total stop
  • 4h 06m total
  • Toronto to Boston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 629,999 searches. Data last updated 13 November 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 21/12

8:00 a.m.-9:35 a.m.

Nonstop1h 35m

Boston Logan Intl

Tue 6/1

6:55 p.m.-8:54 p.m.

Nonstop1h 59m

C$ 301

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 8/12

8:00 a.m.-9:35 a.m.

Nonstop1h 35m

Boston Logan Intl

Mon 15/12

3:40 p.m.-10:03 p.m.

1 stop6h 23m

C$ 304

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 15/1

6:55 p.m.-8:30 p.m.

Nonstop1h 35m

Boston Logan Intl

Sun 18/1

9:00 a.m.-10:59 a.m.

Nonstop1h 59m

C$ 307

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sun 14/12

8:00 a.m.-9:35 a.m.

Nonstop1h 35m

Boston Logan Intl

Fri 19/12

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

C$ 319

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Wed 10/12

8:55 p.m.-10:37 p.m.

Nonstop1h 42m

Boston Logan Intl

Sun 14/12

6:15 a.m.-8:17 a.m.

Nonstop2h 02m

C$ 328

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Tue 3/2

6:55 p.m.-8:30 p.m.

Nonstop1h 35m

Boston Logan Intl

Thu 26/2

6:55 p.m.-8:54 p.m.

Nonstop1h 59m

C$ 329

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 2/2

1:10 p.m.-2:45 p.m.

Nonstop1h 35m

Boston Logan Intl

Thu 26/2

6:55 p.m.-8:54 p.m.

Nonstop1h 59m

C$ 329

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 4/2

9:30 a.m.-11:05 a.m.

Nonstop1h 35m

Boston Logan Intl

Thu 26/2

9:00 a.m.-10:59 a.m.

Nonstop1h 59m

C$ 329

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Tue 9/12

11:05 a.m.-12:40 p.m.

Nonstop1h 35m

Boston Logan Intl

Sat 20/12

7:00 p.m.-8:55 p.m.

Nonstop1h 55m

C$ 331

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 13/12

4:30 p.m.-6:05 p.m.

Nonstop1h 35m

Boston Logan Intl

Wed 17/12

1:25 p.m.-3:20 p.m.

Nonstop1h 55m

C$ 331

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

Showing 1-10 of 60 results
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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 7 November 2025.

The best time to book flights from Toronto to Boston is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 C$ 174). Flying from Toronto to Boston in February is currently the most expensive (average of C$ 319). 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 13 November 2025.

One of the essential ways to save on airfare from Toronto to Boston is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 49% on airfare.

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 16 December 2024.

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

Weekly flight availability from Toronto to Boston

Explore weekly flight availability from Toronto to Boston. 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 13 November 2025.

The most flights from YTO to BOS are scheduled on a Thursday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).

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

What’s the top layover airport for flights from Toronto to Boston?

Share of one-stop round-trip flights from Toronto to Boston chosen by Cheapflights users in the past 12 months, using the same layover each way.

Montreal (YUL) – chosen by Cheapflights users on 43% of one-stop itineraries from Toronto to Boston on Cheapflights.

What’s the cheapest layover airport for flights from Toronto to Boston?

Average round-trip fare for 1-stop flights from Toronto to Boston, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Montreal (YUL) is the most affordable 1-stop option, with an average round-trip price of C$ 401.

What’s the fastest layover option from Toronto to Boston?

Shortest average travel time for 1-stop one-way flights from Toronto to Boston, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Montreal (YUL) have the shortest average one-way travel time for 1-stop routes: 4h 00m.

Which airport typically offers the quickest layover for flights from Toronto to Boston?

Average layover duration for 1-stop one-way flights from Toronto to Boston, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Montreal (YUL) offer the fastest connection on this route, with an average layover time of 1h 32m.

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 13 November 2025.
Check out reviews from past customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Toronto to Boston 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
389 reviews
Check prices

Crew

8.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
Porter Airlines
8.0
Very good
389 reviews
Porter Airlines
8.0
Very good
389 reviews
Check prices

Crew

8.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
Air Transat
7.8
Good
471 reviews
Porter Airlines
8.0
Very good
389 reviews
Check prices

Crew

8.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
United Airlines
7.4
Good
9,016 reviews
Porter Airlines
8.0
Very good
389 reviews
Check prices

Crew

8.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
Air Canada
7.1
Good
10,444 reviews
Porter Airlines
8.0
Very good
389 reviews
Check prices

Crew

8.6

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.

Toronto to Boston Travel Guide

Logan International Airport in Boston is found on the eastern side of the city. There are six runways supporting passengers from four different terminals. The airport covers 2,384 acres of land. This is the biggest airport in the New England region. It services more than 38 million passengers per year. It’s the 16th busiest airport in the US.

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 airports serve Toronto to Boston flights?

    When you fly from Toronto to Boston in the US, you’ll get on your flight at Pearson International Airport and get off at Logan International Airport in the city of Boston. There are several choices for direct flights between these two airports, as well as some for routes with stopovers in other cities.

  • Which airlines fly directly from Toronto to Boston?

    There are many direct flights into Boston Logan from Toronto Pearson. Porter Airlines offers several. Air Canada does as well. You can also find them on WestJet, Delta, and United. Typically the route takes just over an hour and a half.

  • What are the stopover options between Toronto to Boston?

    If you’re booking a flight with a stopover, you’ll find there are stops in New York at LaGuardia, in Philadelphia, and in Washington DC at Ronald Reagan National Airport. You might also stop in Detroit on the way. The stopovers vary from a half-hour to a couple of hours, and even up to almost six hours. Your total travel time can be as high as almost nine hours but is usually more like four to six hours for flights with one stopover on this route.

  • Do I need a passport or visa to fly from Toronto to Boston?

    You will need a passport to fly into Boston as you’re crossing the border into the US. You will not need a visa if you’re taking a trip for pleasure. If you are planning on working, investing, immigrating, or studying in the US, you will need to look into the appropriate visa for each activity.

  • What airport do you fly into for flights to Boston from Toronto?

    For a flight from Toronto to Boston, you will be flying into Logan Intl. Boston Logan Intl (BOS) is just 4.2 km from the centre of the city. Logan Intl is the only Boston airport and it handles 16 inbound flights from Toronto per day. 5 airlines have flights to Boston Logan Intl from Toronto on a regular basis.

  • How long is the flight from Toronto to Boston?

    Departing from Toronto to Boston will take you 1h 35m. Airlines will cover a distance of 695 km. This flight may include one or multiple stops.

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

    According to our current data, American Airlines (C$ 217), Porter Airlines (C$ 270), and Air Canada (C$ 312) offers the cheapest pricing from Toronto to Boston. Users have found that American Airlines is 42% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Toronto to Boston are Porter Airlines (C$ 189), Air Transat (C$ 192), and Air Canada (C$ 206).

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

    While some choose either Toronto Island - Boston Logan Intl or Hamilton - Boston Logan Intl, Toronto Pearson Intl - Boston Logan Intl is the most popular route from Toronto to Boston.

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

    Consider United Airlines (59%), Air Canada (54%) or Jazz (49%) 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?

    The cheapest flight price from Toronto to Boston is C$ 325. On average you can expect to pay C$ 1,472. The most popular route, (Toronto Pearson Intl - Boston Logan Intl), can usually be booked for C$ 315.

  • 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 C$ 174). Flying from Toronto to Boston in February is currently the most expensive (average of C$ 319). 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Chelsea
Waltham
Warwick
Milford
Braintree
Plymouth
Hampton
Old Orchard Beach
Revere
Merrimack
Kennebunk
Watertown
Lawrence
Seekonk
Nashua

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.

Fly from Toronto to Boston on these airlines

Choose from the following airlines for your flight from Toronto to Boston. Flights are based on user searches made on Cheapflights and were last updated on 13 November 2025.
Porter Airlines flights from Toronto to Boston Logan Intl
Air Canada flights from Toronto to Boston Logan Intl
United Airlines flights from Toronto to Boston Logan Intl

Top 5 airlines flying from Toronto to Boston

Discover the top 5 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 629,999 searches. Data last updated 13 November 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 217AverageC$ 432FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 270AverageC$ 365FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 312AverageC$ 474FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 340AverageC$ 467FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 355AverageC$ 503FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Toronto to Boston?

Cheapflights helps you search for flights from Toronto to Boston via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Toronto to Boston?

Cheapflights simply makes it quick and affordable to book flights from Toronto to Boston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Toronto to Boston with no change fees?

Yes! Cheapflights helps users easily find flights from Toronto to Boston with no change fees.

Can Cheapflights notify me if prices for flights from Toronto to Boston become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Boston from Toronto today and book when prices fit your budget.

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