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Cheap flights from Toronto to Boston from £105

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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — BOS
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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

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 12 September 2025.

Round-trip from

£148

One-way from

£105

Popular in

December

Cheapest in

March

Average price

£194

Good one-way deal

£126 or less
Porter Airlines
  • Porter Airlines
  • 25/10-1/11
  • 1 total stop
  • 7h 29m total
  • Toronto to Boston
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Porter Airlines
  • Porter Airlines
  • 26/10
  • Nonstop
  • 1h 35m total
  • Toronto to Boston
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Highest demand for flights based on searches. 6% potential increase in price (£10 potential increase over avg. return price).
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Cheapest flight prices on average. 0% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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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 12 September 2025.

Sat 25/1012:25YTZ - BOS
1 stop5h 30mMultiple Airlines
Sat 1/1107:05BOS - YTZ
Nonstop1h 59mMultiple Airlines
Deal found 10/9£148
Sun 26/1010:30YYZ - BOS
Nonstop1h 42mAir Canada
Sun 2/1105:15BOS - YYZ
Nonstop2h 02mAir Canada
Deal found 11/9£152
Sat 25/1012:25YTZ - BOS
1 stop5h 30mAir Canada
Sat 1/1105:30BOS - YTZ
2 stops6h 12mAir Canada
Deal found 10/9£154
Fri 3/1020:20YTZ - BOS
Nonstop1h 41mPorter Airlines
Sat 18/1018:45BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 10/9£158
Sun 26/1014:05YTZ - BOS
1 stop4h 05mMultiple Airlines
Sun 2/1105:30BOS - YTZ
2 stops6h 12mMultiple Airlines
Deal found 11/9£160
Sat 25/1008:10YYZ - BOS
2 stops6h 20mAir Canada
Sat 1/1106:15BOS - YYZ
Nonstop2h 02mAir Canada
Deal found 10/9£160
Sun 26/1014:05YTZ - BOS
1 stop4h 05mPorter Airlines
Sun 2/1107:05BOS - YTZ
Nonstop1h 59mPorter Airlines
Deal found 11/9£161
Fri 3/1018:00YYZ - BOS
1 stop4h 57mMultiple Airlines
Mon 6/1018:30BOS - YYZ
1 stop4h 44mMultiple Airlines
Deal found 9/9£164
Sat 25/1009:50YTZ - BOS
Nonstop1h 41mPorter Airlines
Sat 1/1107:05BOS - YTZ
Nonstop1h 59mPorter Airlines
Deal found 9/9£165
Sun 5/1009:50YTZ - BOS
Nonstop1h 41mPorter Airlines
Tue 14/1012:15BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 10/9£167
Mon 27/1018:40YYZ - BOS
1 stop4h 07mUnited Airlines
Thu 30/1011:59BOS - YYZ
1 stop5h 50mUnited Airlines
Deal found 9/9£168
Mon 29/920:20YTZ - BOS
Nonstop1h 41mPorter Airlines
Tue 14/1019:15BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 10/9£171

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 12 September 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 25/10

17:55-19:36

Nonstop1h 41m

Boston Logan Intl

Tue 28/10

13:25-15:24

Nonstop1h 59m

£158

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 24/10

20:20-22:01

Nonstop1h 41m

Boston Logan Intl

Tue 28/10

10:20-12:19

Nonstop1h 59m

£158

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 3/10

18:00-22:57

1 stop4h 57m

Boston Logan Intl

Mon 6/10

18:30-23:14

1 stop4h 44m

£164

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 5/12

13:10-14:45

Nonstop1h 35m

Boston Logan Intl

Sat 6/12

07:05-09:04

Nonstop1h 59m

£165

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 25/10

09:50-11:31

Nonstop1h 41m

Boston Logan Intl

Sat 1/11

07:05-09:04

Nonstop1h 59m

£165

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Mon 27/10

18:40-22:47

1 stop4h 07m

Boston Logan Intl

Thu 30/10

11:59-17:49

1 stop5h 50m

£168

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 9/10

07:30-15:13

1 stop7h 43m

Boston Logan Intl

Sun 12/10

06:00-07:56

Nonstop1h 56m

£174

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Tue 14/10

18:00-22:56

1 stop4h 56m

Boston Logan Intl

Thu 6/11

06:15-08:17

Nonstop2h 02m

£174

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 27/10

08:00-09:35

Nonstop1h 35m

Boston Logan Intl

Mon 3/11

07:05-09:04

Nonstop1h 59m

£177

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Tue 7/10

13:00-14:41

Nonstop1h 41m

Boston Logan Intl

Sun 19/10

09:20-11:09

Nonstop1h 49m

£177

Flights are sorted by cheapest return flights first.

Deals found on 10/9

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 29 August 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, October is the cheapest month in which you can book a flight from Toronto to Boston (average of £10). Flying from Toronto to Boston in July is currently the most expensive (average of £724). 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 12 September 2025.

It’s optimal to fly from Toronto to Boston in the morning. By choosing this option you can save up to 82% on the cost of your flight, compared to a flight at midday.

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 12 September 2025.

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

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

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 20 inbound flights from Toronto per day from 0 airlines. 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 41m. The time it takes to get you to your destination can typically vary by up to 2h 26m. 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 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 £106. Users have also found prices from £108 and £114 on United Airlines and Delta, respectively.

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

    The top 3 most reliable airlines when flying from Toronto to Boston are Jazz (74%), Air Canada (64%) and Brussels Airlines (54%).

  • 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, October is the cheapest month in which you can book a flight from Toronto to Boston (average of £10). Flying from Toronto to Boston in July is currently the most expensive (average of £724). 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
Peabody
Cambridge
Somerville
Quincy
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

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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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