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Cheap flights from Toronto to Boston from £99

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — BOS
17 Jan — 24 Jan1
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 Wednesday

Cheap 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 18 December 2025.

Wed 31/1211:05YTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 11/115:30BOS - YTZ
1 stop6h 33mPorter Airlines
Deal found 17/12£235
Wed 31/1219:40YYZ - BOS
1 stop4h 14mUnited Airlines
Sun 11/112:08BOS - YYZ
1 stop7h 09mUnited Airlines
Deal found 17/12£259
Wed 31/1219:40YYZ - BOS
1 stop4h 14mUnited Airlines
Wed 7/106:00BOS - YYZ
1 stop5h 48mUnited Airlines
Deal found 17/12£262
Wed 31/1211:05YTZ - BOS
Nonstop1h 35mPorter Airlines
Wed 7/114:30BOS - YTZ
1 stop7h 33mPorter Airlines
Deal found 17/12£265
Wed 31/1214:15YYZ - BOS
Nonstop1h 42mUnited Airlines
Sun 4/106:15BOS - YYZ
Nonstop2h 02mUnited Airlines
Deal found 16/12£268
Wed 31/1208:00YTZ - BOS
Nonstop1h 35mPorter Airlines
Mon 12/115:30BOS - YTZ
3 stops18h 55mPorter Airlines
Deal found 17/12£270
Tue 30/1218:40YYZ - BOS
1 stop4h 08mUnited Airlines
Fri 9/118:21BOS - YYZ
1 stop5h 38mUnited Airlines
Deal found 17/12£280
Tue 30/1208:00YTZ - BOS
Nonstop1h 35mPorter Airlines
Wed 7/114:30BOS - YTZ
1 stop7h 33mPorter Airlines
Deal found 17/12£284
Tue 30/1208:00YTZ - BOS
Nonstop1h 35mPorter Airlines
Fri 9/115:30BOS - YTZ
3 stops18h 55mPorter Airlines
Deal found 17/12£289
Fri 26/1219:40YYZ - BOS
1 stop4h 14mUnited Airlines
Tue 30/1216:31BOS - YYZ
1 stop4h 53mUnited Airlines
Deal found 15/12£304
Wed 31/1219:40YYZ - BOS
1 stop4h 14mUnited Airlines
Sat 3/109:30BOS - YYZ
1 stop14h 16mUnited Airlines
Deal found 17/12£312
Wed 24/1213:20YTZ - BOS
Nonstop1h 35mPorter Airlines
Fri 26/1207:00BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 16/12£317

Find 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 18 December 2025.

Round-trip from

£167

One-way from

£99

Popular in

December

Cheapest in

March

Average price

£222

Good round-trip deal

£254 or less

Good one-way deal

£162 or less
Porter Airlines
  • Porter Airlines
  • 16/1-19/1
  • 2 total stops
  • 12h 30m total
  • Toronto to Boston
Search Deals
Porter Airlines
  • Porter Airlines
  • 18/3
  • Nonstop
  • 1h 35m total
  • Toronto to Boston
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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.
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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 18 December 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

Fri 16/1

07:35-18:10

2 stops10h 35m

Boston Logan Intl

Mon 19/1

15:30-22:03

1 stop6h 33m

£169

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 16/1

18:55-20:30

Nonstop1h 35m

Boston Logan Intl

Sun 18/1

09:00-10:55

Nonstop1h 55m

£198

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 10/1

09:30-13:20

1 stop3h 50m

Boston Logan Intl

Tue 13/1

13:31-19:17

1 stop5h 46m

£203

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 22/1

10:45-15:15

1 stop4h 30m

Boston Logan Intl

Thu 22/1

19:07-23:46

1 stop4h 39m

£203

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Wed 21/1

10:45-15:15

1 stop4h 30m

Boston Logan Intl

Wed 21/1

19:07-23:46

1 stop4h 39m

£203

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Tue 20/1

21:00-10:52

1 stop13h 52m

Boston Logan Intl

Wed 21/1

13:31-17:49

1 stop4h 18m

£203

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 21/1

10:30-12:05

Nonstop1h 35m

Boston Logan Intl

Sat 24/1

09:00-10:55

Nonstop1h 55m

£203

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 22/1

09:30-11:05

Nonstop1h 35m

Boston Logan Intl

Thu 22/1

15:30-19:08

1 stop3h 38m

£203

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 23/1

18:55-20:30

Nonstop1h 35m

Boston Logan Intl

Sun 25/1

15:30-22:03

1 stop6h 33m

£203

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 9/1

09:30-13:13

1 stop3h 43m

Boston Logan Intl

Sun 11/1

19:07-23:46

1 stop4h 39m

£203

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 42 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 12 December 2025.

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

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

Currently, December is the cheapest month in which you can book a flight from Toronto to Boston (average of £93). Flying from Toronto to Boston in January is currently the most expensive (average of £159). 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 18 December 2025.

It’s optimal to fly from Toronto to Boston in the morning. By choosing this option you can save up to 68% 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 18 December 2025.

The most flights from YTO to BOS are scheduled on a Monday (20 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (18 on average).

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 18 December 2025.
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
399 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

7.9

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
399 reviews
Porter Airlines
8.0
Very Good
399 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

7.9

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 19 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 Porter Airlines and United Airlines fly from Toronto to Boston in about 3h 50m. The time it takes to get you to your destination can typically vary by up to 6h 45m. Toronto and Boston are separated by a distance of 444 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 £130 on this airline. Air Canada is currently priced 34% 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 Jazz (70%), Air Canada (68%) and Brussels Airlines (67%).

  • 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, December is the cheapest month in which you can book a flight from Toronto to Boston (average of £93). Flying from Toronto to Boston in January is currently the most expensive (average of £159). 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
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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£130Average£218FlexibilityNo 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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Why should you use Cheapflights to find cheap flight tickets from Toronto to Boston?

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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