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Cheap flights from Toronto to Boston from £90

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — BOS
13 Sep — 20 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Toronto to Boston Logan Intl are usually found in July or November, booked 72 days in advance, depart on a Wednesday or Sunday 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 14 August 2026.

Thu 10/912:00 -
Nonstop1h 40m
Fri 11/918:10 -
Nonstop1h 47m
Deal found 9/8£139
Tue 1/913:35 -
Nonstop1h 40m
Sun 6/907:00 -
Nonstop1h 47m
Deal found 10/8£140
Mon 14/908:50 -
Nonstop1h 40m
Tue 22/918:10 -
Nonstop1h 47m
Deal found 12/8£141
Fri 18/910:30 -
1 stop5h 20m
Sun 20/914:20 -
1 stop5h 55m
Deal found 10/8£148
Sat 5/911:45 -
1 stop4h 05m
Tue 8/918:10 -
Nonstop1h 47m
Deal found 14/8£150
Thu 10/910:45 -
1 stop3h 56m
Fri 11/905:50 -
1 stop4h 15m
Deal found 9/8£154
Tue 1/908:00 -
1 stop6h 41m
Sun 6/906:00 -
Nonstop1h 55m
Deal found 10/8£154
Fri 4/909:35 -
Nonstop1h 40m
Thu 10/916:30 -
Nonstop1h 45m
Deal found 10/8£156
Sat 5/910:20 -
2 stops7h 47m
Tue 8/905:50 -
2 stops7h 25m
Deal found 14/8£156
Mon 14/907:25 -
Nonstop1h 40m
Tue 22/919:30 -
Nonstop1h 55m
Deal found 12/8£158
Fri 18/914:20 -
Nonstop1h 45m
Sun 20/906:00 -
Nonstop1h 56m
Deal found 10/8£159
Thu 3/915:40 -
1 stop5h 15m
Thu 10/910:05 -
Nonstop1h 55m
Deal found 10/8£168

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 14 August 2026.

Round-trip from

£139

One-way from

£90

Popular in

April

Cheapest in

July

Average price

£195

Good round-trip deal

£171 or less

Good one-way deal

£128 or less
Porter Airlines
  • Porter Airlines
  • 18/9-20/9
  • Nonstop
  • 3h 27m total
  • Toronto to Boston
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Porter Airlines
  • Porter Airlines
  • 3/9
  • 1 total stop
  • 4h 05m total
  • Toronto to Boston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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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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 14 August 2026.
Use the filters below to find and compare flights from Toronto to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

TorontoBoston

YTZ Toronto Island - BOS Boston Logan Intl

YTZBOS

Toronto Island

Sat 5/9

15:35-17:15

Nonstop1h 40m

Boston Logan Intl

Tue 8/9

20:20-22:05

Nonstop1h 45m

£151

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Thu 10/9

16:55-18:35

Nonstop1h 40m

Boston Logan Intl

Sat 12/9

10:05-12:00

Nonstop1h 55m

£183

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Wed 2/9

07:30-11:17

1 stop3h 47m

Boston Logan Intl

Wed 9/9

06:00-11:43

1 stop5h 43m

£193

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Thu 3/9

07:30-16:48

1 stop9h 18m

Boston Logan Intl

Sun 6/9

05:45-11:35

1 stop5h 50m

£196

TorontoBoston

YTZ Toronto Island - BOS Boston Logan Intl

YTZBOS

Toronto Island

Sat 26/9

08:50-10:30

Nonstop1h 40m

Boston Logan Intl

Fri 9/10

07:00-08:47

Nonstop1h 47m

£222

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Thu 27/8

06:00-10:23

1 stop4h 23m

Boston Logan Intl

Sun 30/8

07:00-16:14

1 stop9h 14m

£235

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Thu 27/8

15:40-20:55

1 stop5h 15m

Boston Logan Intl

Sun 6/9

15:40-05:34

2 stops13h 54m

£236

TorontoBoston

YTZ Toronto Island - BOS Boston Logan Intl

YTZBOS

Toronto Island

Thu 3/9

09:00-16:00

2 stops7h 00m

Boston Logan Intl

Tue 8/9

07:00-08:47

Nonstop1h 47m

£242

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Fri 11/9

17:04-22:26

1 stop5h 22m

Boston Logan Intl

Fri 18/9

09:20-17:35

1 stop8h 15m

£242

TorontoBoston

YTZ Toronto Island - BOS Boston Logan Intl

YTZBOS

Toronto Island

Fri 4/9

11:45-15:50

1 stop4h 05m

Boston Logan Intl

Sun 6/9

07:00-08:47

Nonstop1h 47m

£244

Flights are sorted by cheapest return flights first.

Deals found on 10/8

Showing 1-10 of 42 resultsSorted by cheapest first
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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

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

Currently, September is the cheapest month in which you can book a flight from Toronto to Boston (average of £191). Flying from Toronto to Boston in April is currently the most expensive (average of £256). 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 14 August 2026.

It’s optimal to fly from Toronto to Boston in the evening. By choosing this option you can save up to 69% 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 14 August 2026.

The most flights from YTO to BOS are scheduled on a Wednesday (34 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (17 on average).

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

Airfare is below average for this route at the moment.
Toronto to Boston flights typically cost between £159 and £274 in September.
The cheapest return price found within the last 5 days was £139 on Porter Airlines (10 Sept–11 Sept).

How often are flights from Toronto to Boston delayed?

About 25% 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?

Saturday tends to have the lowest number of delays on this route, whereas Sunday 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.

How far ahead should I book a flight from Toronto to Boston?

To ensure you get the cheapest price possible for a flight from Toronto to Boston, you should look to book at least 85 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.

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 14 August 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
456 reviews
Check prices

Food

7.5

Entertainment

6.9

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Porter Airlines
8.0
Very Good
456 reviews
Porter Airlines
8.0
Very Good
456 reviews
Check prices

Food

7.5

Entertainment

6.9

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

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 22 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, Air Canada, and United Airlines fly from Toronto to Boston in about 1h 37m. The time it takes to get you to your destination can typically vary by up to 5h 04m. 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 £129 on this airline. Air Canada is currently priced 36% 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 (92%), Air Canada (73%) and United Airlines (68%).

  • What are the cheapest flights from Toronto to Boston?

    Looking at all options, your cheapest flight can be booked for £147. While the most popular route (Toronto Pearson Intl - Boston Logan Intl) can be booked for £148 on average, our data indicates £247 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, September is the cheapest month in which you can book a flight from Toronto to Boston (average of £191). Flying from Toronto to Boston in April is currently the most expensive (average of £256). 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
Canton
North Truro
Waltham
Warwick
Cambridge
Peabody
Wellfleet
Revere
Somerville
Quincy
Chelmsford

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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 14 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£129Average£172FlexibilityNo 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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