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Cheap flights from Toronto to Boston from £104

YTO — BOS
17 Sep — 24 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

Thu 10/919:15 -
Nonstop1h 40m
Tue 15/907:00 -
Nonstop1h 47m
Deal found 17/8£141
Sat 5/911:45 -
1 stop4h 05m
Tue 8/918:10 -
Nonstop1h 47m
Deal found 14/8£150
Sun 6/913:20 -
Nonstop1h 40m
Fri 11/918:10 -
Nonstop1h 47m
Deal found 16/8£156
Thu 10/920:55 -
Nonstop1h 45m
Tue 15/916:55 -
Nonstop1h 52m
Deal found 17/8£157
Sat 5/910:20 -
2 stops7h 47m
Tue 8/915:35 -
1 stop5h 55m
Deal found 14/8£159
Thu 10/907:15 -
Nonstop1h 37m
Sun 13/905:50 -
2 stops5h 05m
Deal found 18/8£163
Wed 23/908:50 -
Nonstop1h 40m
Sun 27/907:00 -
Nonstop1h 47m
Deal found 16/8£176
Tue 15/907:30 -
1 stop6h 52m
Thu 17/905:50 -
1 stop4h 43m
Deal found 18/8£180
Sun 20/907:30 -
1 stop3h 47m
Tue 22/909:30 -
1 stop4h 49m
Deal found 15/8£181
Sat 19/914:35 -
1 stop4h 44m
Sun 20/906:00 -
Nonstop1h 56m
Deal found 14/8£182
Mon 7/907:25 -
Nonstop1h 40m
Thu 10/910:05 -
Nonstop1h 55m
Deal found 16/8£183
Fri 28/815:40 -
1 stop5h 15m
Fri 4/915:40 -
1 stop6h 24m
Deal found 13/8£185

Find flight deals from Toronto to Boston

Round-trip from

£141

One-way from

£104

Popular in

April

Cheapest in

July

Average price

£191

Good round-trip deal

£170 or less

Good one-way deal

£84 or less
Porter Airlines
  • Porter Airlines
  • 10/9-15/9
  • Nonstop
  • 3h 27m total
  • Toronto to Boston
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Porter Airlines
  • Porter Airlines
  • 12/9
  • Nonstop
  • 1h 40m total
  • Toronto to Boston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£18 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
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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

 
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

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Tue 15/9

07:30-14:22

1 stop6h 52m

Boston Logan Intl

Thu 17/9

05:50-10:33

1 stop4h 43m

£180

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Sat 12/9

14:35-19:19

1 stop4h 44m

Boston Logan Intl

Sat 19/9

18:00-22:23

1 stop4h 23m

£187

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Thu 10/9

07:30-14:22

1 stop6h 52m

Boston Logan Intl

Sun 13/9

07:30-11:43

1 stop4h 13m

£187

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Sun 6/9

17:27-23:34

1 stop6h 07m

Boston Logan Intl

Wed 9/9

07:30-11:43

1 stop4h 13m

£187

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Sat 29/8

15:40-20:55

1 stop5h 15m

Boston Logan Intl

Mon 7/9

10:05-12:00

Nonstop1h 55m

£202

TorontoBoston

YTZ Toronto Island - BOS Boston Logan Intl

YTZBOS

Toronto Island

Thu 10/9

12:25-14:02

Nonstop1h 37m

Boston Logan Intl

Sun 13/9

09:35-11:34

Nonstop1h 59m

£243

TorontoBoston

YTZ Toronto Island - BOS Boston Logan Intl

YTZBOS

Toronto Island

Tue 8/9

15:45-17:25

Nonstop1h 40m

Boston Logan Intl

Fri 11/9

14:20-18:55

1 stop4h 35m

£244

TorontoBoston

YTZ Toronto Island - BOS Boston Logan Intl

YTZBOS

Toronto Island

Sat 12/9

12:15-19:19

1 stop7h 04m

Boston Logan Intl

Sat 19/9

09:30-18:51

1 stop9h 21m

£247

TorontoBoston

YTZ Toronto Island - BOS Boston Logan Intl

YTZBOS

Toronto Island

Wed 9/9

12:15-19:19

1 stop7h 04m

Boston Logan Intl

Wed 16/9

05:50-15:00

2 stops9h 10m

£250

TorontoBoston

YTZ Toronto Island - BOS Boston Logan Intl

YTZBOS

Toronto Island

Thu 10/9

08:00-15:50

2 stops7h 50m

Boston Logan Intl

Tue 15/9

14:20-20:15

1 stop5h 55m

£255

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 39 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

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 £189). Flying from Toronto to Boston in April is currently the most expensive (average of £258). 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?

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

The most flights from YTO to BOS are scheduled on a Monday (35 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (28 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 £156 and £269 in September.
The cheapest return price found within the last 5 days was £141 on Porter Airlines (10 Sept–15 Sept).

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?

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

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
457 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

6.9

Food

7.6

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
457 reviews
Porter Airlines
8.0
Very Good
457 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

6.9

Food

7.6

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

  • 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 31 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 United Airlines and Porter Airlines fly from Toronto to Boston in about 1h 40m. The time it takes to get you to your destination can typically vary by up to 5h 12m. 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 37% 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 (93%), Air Canada (74%) and United Airlines (64%).

  • What are the cheapest flights from Toronto to Boston?

    Looking at all options, your cheapest flight can be booked for £146. While the most popular route (Toronto Pearson Intl - Boston Logan Intl) can be booked for £148 on average, our data indicates £245 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 £189). Flying from Toronto to Boston in April is currently the most expensive (average of £258). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Toronto to Boston

Pearson Intl to Boston flights
Pierre Elliott Trudeau Intl to Boston flights

Top airline flying from Toronto to Boston

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£128Average£171FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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