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$125+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — BOS
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Toronto to Boston Logan Intl are usually found in March or June, booked 83 days in advance, depart on a Thursday or Friday and return on a Thursday

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 August 1, 2025.

Round-trip from

$207
(SmartFares)

One-way from

$125
(SmartFares)

Popular in

December

Cheapest in

March

Average price

$278

Good round-trip deal

$207 or less

Good one-way deal

$146 or less
From Toronto (YTO) to Boston Logan Intl
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One-way flight from Toronto (YTO) to Boston Logan Intl
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Highest demand for flights based on searches. 6% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Toronto (YTO) to Boston Logan Intl.
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Price to beat on a one-way flight from Toronto (YTO) to Boston Logan Intl.
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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 August 1, 2025.

This SmartFares deal was found by Cheapflights users on 7/31. 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.
Sat 8/165:55 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Sun 8/318:20 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 7/31$207
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3012:00 pmYYZ - BOS
1 stop6h 00mAir Canada
Sun 8/315:50 amBOS - YYZ
1 stop4h 50mAir Canada
Deal found 7/30$207
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:25 pmYTZ - BOS
1 stop4h 30mMultiple Airlines
Sat 9/2012:15 pmBOS - YTZ
Nonstop1h 49mMultiple Airlines
Deal found 7/30$224
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Wed 9/310:25 amYTZ - BOS
1 stop4h 05mAir Canada
Tue 9/910:20 amBOS - YTZ
1 stop4h 25mAir Canada
Deal found 7/30$231
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/309:10 amYYZ - BOS
2 stops8h 48mMultiple Airlines
Sun 8/315:50 amBOS - YYZ
1 stop4h 50mMultiple Airlines
Deal found 7/30$239
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:55 amYYZ - BOS
1 stop6h 19mDelta
Sat 9/61:00 pmBOS - YYZ
1 stop7h 43mDelta
Deal found 7/31$253
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/410:20 amYTZ - BOS
Nonstop1h 41mAir Transat
Sat 9/66:45 pmBOS - YTZ
Nonstop1h 49mAir Transat
Deal found 7/30$256
This Justfly.com deal was found by Cheapflights users on 7/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/127:40 amYYZ - BOS
2 stops10h 18mPorter Airlines
Thu 10/163:30 pmBOS - YYZ
2 stops14h 19mPorter Airlines
Deal found 7/31$260
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:24 amYYZ - BOS
1 stop4h 35mAmerican Airlines
Thu 9/410:30 amBOS - YYZ
1 stop8h 00mAmerican Airlines
Deal found 7/31$262
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:00 amYHM - BOS
1 stop11h 40mWestJet
Sat 10/116:30 pmBOS - YHM
1 stop30h 10mWestJet
Deal found 7/31$428
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:05 amYHM - BOS
3 stops26h 25mMultiple Airlines
Sat 9/67:00 pmBOS - YHM
1 stop21h 44mMultiple Airlines
Deal found 7/30$464
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:45 pmYHM - BOS
2 stops24h 13mPorter Airlines
Mon 8/183:30 pmBOS - YHM
2 stops25h 09mPorter Airlines
Deal found 7/30$889

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 August 1, 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

Sat 8/16

5:55 pm-7:36 pm

Nonstop1h 41m

Boston Logan Intl

Sun 8/31

8:20 pm-10:09 pm

Nonstop1h 49m

$207

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 8/30

12:00 pm-6:00 pm

1 stop6h 00m

Boston Logan Intl

Sun 8/31

5:50 am-10:40 am

1 stop4h 50m

$207

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 9/13

5:25 pm-9:55 pm

1 stop4h 30m

Boston Logan Intl

Sat 9/20

12:15 pm-2:04 pm

Nonstop1h 49m

$224

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 9/3

10:25 am-2:30 pm

1 stop4h 05m

Boston Logan Intl

Tue 9/9

10:20 am-2:45 pm

1 stop4h 25m

$231

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 8/30

9:10 am-5:58 pm

2 stops8h 48m

Boston Logan Intl

Sun 8/31

5:50 am-10:40 am

1 stop4h 50m

$239

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Wed 8/27

7:55 am-2:14 pm

1 stop6h 19m

Boston Logan Intl

Sat 9/6

1:00 pm-8:43 pm

1 stop7h 43m

$253

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 9/4

10:20 am-12:01 pm

Nonstop1h 41m

Boston Logan Intl

Sat 9/6

6:45 pm-8:34 pm

Nonstop1h 49m

$256

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sun 10/12

7:40 am-5:58 pm

2 stops10h 18m

Boston Logan Intl

Thu 10/16

3:30 pm-5:49 am

2 stops14h 19m

$260

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 8/28

7:24 am-11:59 am

1 stop4h 35m

Boston Logan Intl

Thu 9/4

7:30 pm-11:03 pm

1 stop3h 33m

$262

HamiltonBoston

YHM - BOS

YHMBOS

Hamilton

Sun 10/5

6:00 am-5:40 pm

1 stop11h 40m

Boston Logan Intl

Sat 10/11

6:30 pm-12:40 am

1 stop30h 10m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 25 results
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2
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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

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 July 25, 2025.

To ensure you get the cheapest price possible for a flight from Toronto to Boston, you should look to book at least 83 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, January is the cheapest month in which you can book a flight from Toronto to Boston (average of $218). Flying from Toronto to Boston in July is currently the most expensive (average of $311). 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 August 1, 2025.

It’s optimal to fly from Toronto to Boston in the evening. By choosing this option you can save up to 78% 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 Tuesday evenings when fares are most often at their lowest. Tuesday afternoons 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 August 1, 2025.

The most flights from YTO to BOS are scheduled on a Thursday (23 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 on average).

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 August 1, 2025.
Read through reviews of airlines operating flights from Toronto to Boston, such as Porter Airlines, Delta, and Air Transat. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,981 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,900 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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 18 daily inbound flights from Toronto from 3 different airlines.

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

    Cheapflights users have booked flights from Toronto to Boston round-trip from $207. Other airlines that can offer you cheap pricing are Air Canada, from $207, and Delta, from $253. You may be able to fly from Toronto to Boston for 25% 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 $125. Users have also found prices from $130 and $149 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 (60%), Air Canada (55%) or Emirates (52%) 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 $1,355 for a flight from Toronto to Boston. The cheapest flight overall is $131 while the most popular route, (Toronto Pearson Intl - Boston Logan Intl) is currently priced at $221.

  • 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, January is the cheapest month in which you can book a flight from Toronto to Boston (average of $218). Flying from Toronto to Boston in July is currently the most expensive (average of $311). 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
Watertown
Seabrook
Waltham
Framingham
Lowell
Randolph
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Chelsea
Saco
Hampton Beach
Swansea
Lincoln

Browse thousands of different options on Cheapflights for your next trip

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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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$196Average$333FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$213Average$382FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$214Average$326FlexibilityNo cancel feeOn-time67%

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