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Cheap flights from Toronto to Boston from £102

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — BOS
21 Dec — 28 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 Monday or Tuesday and return on a Wednesday

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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 21 November 2025.

Tue 23/1220:30YTZ - BOS
Nonstop1h 35mPorter Airlines
Sat 3/107:05BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 18/11£174
Mon 15/1208:00YTZ - BOS
Nonstop1h 35mPorter Airlines
Mon 5/113:25BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 20/11£181
Sat 6/1213:20YTZ - BOS
Nonstop1h 35mPorter Airlines
Thu 11/1219:00BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 19/11£184
Sun 14/1214:05YTZ - BOS
1 stop4h 06mPorter Airlines
Fri 2/113:25BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 20/11£185
Sat 6/1216:30YTZ - BOS
Nonstop1h 35mPorter Airlines
Wed 10/1215:40BOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 19/11£187
Sat 6/1208:00YTZ - BOS
Nonstop1h 35mPorter Airlines
Tue 9/1210:20BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 19/11£193
Wed 24/1214:05YTZ - BOS
1 stop4h 06mPorter Airlines
Sun 4/107:05BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 18/11£194
Sat 20/1220:30YTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 4/107:05BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 20/11£195
Wed 3/1211:05YTZ - BOS
Nonstop1h 35mPorter Airlines
Fri 12/1215:40BOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 19/11£197
Mon 22/1218:40YYZ - BOS
1 stop4h 08mUnited Airlines
Thu 1/105:20BOS - YYZ
1 stop13h 37mUnited Airlines
Deal found 18/11£197
Mon 15/1214:05YTZ - BOS
1 stop4h 06mPorter Airlines
Sun 4/107:05BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 20/11£199
Thu 11/1220:30YTZ - BOS
Nonstop1h 35mPorter Airlines
Fri 12/1215:40BOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 20/11£200

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 21 November 2025.

Round-trip from

£164

One-way from

£102

Popular in

November

Cheapest in

October

Average price

£230

Good one-way deal

£109 or less
Porter Airlines
  • Porter Airlines
  • 4/1-11/1
  • 1 total stop
  • 8h 08m total
  • Toronto to Boston
Search Deals
Air Canada
  • Air Canada
  • 17/12
  • 1 total stop
  • 4h 22m total
  • Toronto to Boston
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£4 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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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 21 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

Fri 26/12

13:20-14:55

Nonstop1h 35m

Boston Logan Intl

Sun 4/1

07:05-09:00

Nonstop1h 55m

£174

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 27/12

13:20-14:55

Nonstop1h 35m

Boston Logan Intl

Sat 3/1

07:05-09:00

Nonstop1h 55m

£174

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Tue 23/12

11:05-12:40

Nonstop1h 35m

Boston Logan Intl

Tue 30/12

10:20-12:15

Nonstop1h 55m

£174

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 22/12

11:05-12:40

Nonstop1h 35m

Boston Logan Intl

Wed 31/12

07:00-08:55

Nonstop1h 55m

£174

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 25/12

13:20-14:55

Nonstop1h 35m

Boston Logan Intl

Mon 5/1

18:55-20:50

Nonstop1h 55m

£174

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 27/12

11:05-12:40

Nonstop1h 35m

Boston Logan Intl

Sun 4/1

07:05-09:00

Nonstop1h 55m

£174

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 25/12

13:20-14:55

Nonstop1h 35m

Boston Logan Intl

Sun 4/1

07:05-09:00

Nonstop1h 55m

£174

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 3/1

08:00-09:35

Nonstop1h 35m

Boston Logan Intl

Sat 10/1

10:15-14:55

1 stop4h 40m

£181

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 19/12

08:00-09:35

Nonstop1h 35m

Boston Logan Intl

Tue 6/1

18:55-20:50

Nonstop1h 55m

£181

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 15/12

08:00-09:35

Nonstop1h 35m

Boston Logan Intl

Sat 3/1

07:05-09:00

Nonstop1h 55m

£181

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 43 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 14 November 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 £95). Flying from Toronto to Boston in February is currently the most expensive (average of £174). 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 21 November 2025.

It’s optimal to fly from Toronto to Boston in the morning. By choosing this option you can save up to 72% 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 21 November 2025.

The most flights from YTO to BOS are scheduled on a Thursday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 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 118 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, Nolinor Aviation have had the lowest number of delays on this route, with no flights being classified as delayed.

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 18 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 1h 35m. The time it takes to get you to your destination can typically vary by up to 2h 39m. 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 £133 on this airline. Air Canada is currently priced 35% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as £102. Users have also found prices from £113 and £121 on Porter Airlines and Air Transat, respectively.

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

    The top 3 most reliable airlines when flying from Toronto to Boston are United Airlines (60%), Air Canada (55%) and ITA Airways (55%).

  • What are the cheapest flights from Toronto to Boston?

    Looking at all options, your cheapest flight can be booked for £109. While the most popular route (Toronto Pearson Intl - Boston Logan Intl) can be booked for £220 on average, our data indicates £121 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, December is the cheapest month in which you can book a flight from Toronto to Boston (average of £95). Flying from Toronto to Boston in February is currently the most expensive (average of £174). 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 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£133Average£223FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Boston from Toronto today with Cheapflights!

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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