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Cheap flights from Toronto to Boston from £112

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — BOS
6 Feb — 13 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Toronto to Boston Logan Intl are usually found in March or October, booked 60 days in advance, depart on a Tuesday or Monday 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 7 January 2026.

Round-trip from

£172

One-way from

£112

Popular in

January

Cheapest in

March

Average price

£222

Good round-trip deal

£245 or less

Good one-way deal

£160 or less
Air Canada
  • Air Canada
  • 14/2-22/2
  • 2 total stops
  • 12h 47m total
  • Toronto to Boston
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Porter Airlines
  • Porter Airlines
  • 20/2
  • Nonstop
  • 1h 35m total
  • Toronto to Boston
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Highest demand for flights based on searches. 7% potential increase in price (£11 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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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

Enter your travel dates to find the best prices.

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 7 January 2026.

Sat 14/208:30YTZ - BOS
1 stop6h 22mAir Canada
Sun 22/205:30BOS - YTZ
1 stop6h 25mAir Canada
Deal found 5/1£172
Sat 14/207:00YYZ - BOS
1 stop7h 52mAir Canada
Sun 22/206:15BOS - YYZ
Nonstop2h 02mAir Canada
Deal found 6/1£173
Sat 14/208:00YTZ - BOS
Nonstop1h 35mMultiple Airlines
Sun 22/205:30BOS - YTZ
1 stop4h 40mMultiple Airlines
Deal found 5/1£180
Thu 19/207:10YYZ - BOS
2 stops7h 42mAir Canada
Thu 26/206:15BOS - YYZ
Nonstop2h 02mAir Canada
Deal found 5/1£183
Sat 14/211:05YTZ - BOS
Nonstop1h 35mAir Transat
Sun 22/211:50BOS - YTZ
Nonstop1h 57mAir Transat
Deal found 5/1£185
Sun 1/309:30YTZ - BOS
Nonstop1h 35mPorter Airlines
Wed 4/315:30BOS - YTZ
1 stop6h 33mPorter Airlines
Deal found 5/1£191
Wed 18/208:30YTZ - BOS
1 stop6h 22mAir Canada
Wed 25/215:35BOS - YTZ
1 stop6h 00mAir Canada
Deal found 4/1£192
Wed 18/208:20YYZ - BOS
Nonstop1h 42mAir Canada
Wed 25/206:15BOS - YYZ
Nonstop2h 02mAir Canada
Deal found 4/1£194
Thu 19/210:30YYZ - BOS
Nonstop1h 42mMultiple Airlines
Thu 26/215:30BOS - YYZ
1 stop4h 41mMultiple Airlines
Deal found 5/1£194
Tue 20/119:40YYZ - BOS
1 stop4h 09mUnited Airlines
Fri 23/116:33BOS - YYZ
1 stop4h 51mUnited Airlines
Deal found 5/1£197
Wed 18/213:10YTZ - BOS
Nonstop1h 35mMultiple Airlines
Wed 25/210:15BOS - YTZ
1 stop4h 10mMultiple Airlines
Deal found 4/1£201
Fri 20/207:50YYZ - BOS
1 stop5h 29mDelta
Mon 23/212:00BOS - YYZ
1 stop4h 14mDelta
Deal found 6/1£202

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 7 January 2026.
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

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 14/2

07:00-14:52

1 stop7h 52m

Boston Logan Intl

Sun 22/2

05:30-11:40

1 stop6h 10m

£174

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 20/2

13:10-14:45

Nonstop1h 35m

Boston Logan Intl

Fri 27/2

11:50-13:47

Nonstop1h 57m

£191

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sun 1/3

09:30-11:05

Nonstop1h 35m

Boston Logan Intl

Wed 4/3

15:30-22:03

1 stop6h 33m

£191

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 18/2

08:30-14:52

1 stop6h 22m

Boston Logan Intl

Wed 25/2

15:35-21:35

1 stop6h 00m

£192

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Mon 9/2

19:40-23:49

1 stop4h 09m

Boston Logan Intl

Sun 15/2

06:00-11:48

1 stop5h 48m

£197

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Tue 24/2

07:30-12:53

1 stop5h 23m

Boston Logan Intl

Fri 27/2

07:05-11:48

1 stop4h 43m

£197

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 22/1

09:30-13:13

1 stop3h 43m

Boston Logan Intl

Sun 25/1

06:00-11:48

1 stop5h 48m

£197

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 19/2

07:30-12:53

1 stop5h 23m

Boston Logan Intl

Sun 22/2

11:59-17:49

1 stop5h 50m

£197

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sun 25/1

09:30-13:13

1 stop3h 43m

Boston Logan Intl

Sat 31/1

14:27-18:57

1 stop4h 30m

£197

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 18/2

13:10-14:45

Nonstop1h 35m

Boston Logan Intl

Wed 25/2

10:15-14:25

1 stop4h 10m

£201

Flights are sorted by cheapest return flights first.

Deals found on 5/1

Showing 1-10 of 39 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 return 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 return flight from Toronto to Boston. Price data was last updated on 2 January 2026.

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, March is the cheapest month in which you can book a flight from Toronto to Boston (average of £98). Flying from Toronto to Boston in January is currently the most expensive (average of £157). 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 7 January 2026.

It’s optimal to fly from Toronto to Boston in the morning. By choosing this option you can save up to 65% on the cost of your flight, compared to a flight in the afternoon.

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 7 January 2026.

The most flights from YTO to BOS are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost for a return flight from Toronto to Boston?

How often are flights from Toronto to Boston delayed?

About 24% of weekly flights between Toronto and Boston have experienced delays in the past year, with the average delay time being 119 minutes.

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

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

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

Wednesday 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 Toronto to Boston flights?

Over the past year, Porter Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.

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 7 January 2026.
Check out reviews from past customers who have flown with Porter 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
406 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.6

Entertainment

7.0

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
406 reviews
Porter Airlines
8.0
Very Good
406 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.6

Entertainment

7.0

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 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?

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Toronto. On average, Logan Intl has 14 inbound flights from Toronto per day from 1 airline. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How long is the flight from Toronto to Boston?

    Airlines like Air Canada, Porter Airlines, and United Airlines fly from Toronto to Boston in about 1h 35m. The time it takes to get you to your destination can typically vary by up to 6h 17m. Toronto and Boston are separated by a distance of 432 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Toronto to Boston round-trip?

    Our cheapest airline available from Toronto to Boston is Air Canada. Our recent data shows that you can find tickets from as low as £128 on this airline. Air Canada is currently priced 33% below the average price you’ll pay for this route.

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

    The top 3 most reliable airlines when flying from Toronto to Boston are TAP AIR PORTUGAL (68%), Jazz (66%) and Air Canada (60%).

  • What are the cheapest flights from Toronto to Boston?

    Looking at all options, your cheapest flight can be booked for £177. While the most popular route (Toronto Pearson Intl - Boston Logan Intl) can be booked for £188 on average, our data indicates £494 when flying from Toronto to Boston.

  • 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 holiday 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, March is the cheapest month in which you can book a flight from Toronto to Boston (average of £98). Flying from Toronto to Boston in January is currently the most expensive (average of £157). 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
Burlington
Warwick
Cambridge
Peabody
Somerville
Quincy
Waltham
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Toronto to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Boston flights
Pierre Elliott Trudeau Intl to Boston flights

Top airline flying from Toronto to Boston

Discover the top airline 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 858,174 searches. Data last updated 7 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£128Average£215FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

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Millions of users choose and trust Cheapflights to book the best flight deals from Toronto to Boston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Boston from Toronto? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Toronto to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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