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Cheap flights from Toronto to Boston from £102

YTO — BOS
16 Oct — 23 Oct1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Toronto to Boston Logan Intl are usually found in July or August, booked 72 days in advance, depart on a Sunday or Thursday and return on a Tuesday

Cheap flight deals from Toronto to Boston

Enter your travel dates to find the best prices.

Cheapest flights from Toronto to Boston

Thu 1/1016:55 -
Nonstop1h 40m
Sun 4/1010:05 -
Nonstop1h 55m
Deal found 15/9£142
Wed 30/907:25 -
Nonstop1h 40m
Tue 6/1019:30 -
Nonstop1h 55m
Deal found 14/9£143
Wed 30/911:55 -
1 stop3h 55m
Tue 6/1015:55 -
1 stop4h 20m
Deal found 14/9£145
Fri 4/1217:20 -
Nonstop1h 50m
Mon 7/1213:15 -
1 stop5h 50m
Deal found 13/9£145
Mon 19/1016:30 -
1 stop4h 56m
Tue 20/1009:40 -
Nonstop1h 56m
Deal found 11/9£149
Thu 1/1008:20 -
2 stops6h 21m
Sun 4/1009:40 -
Nonstop1h 56m
Deal found 15/9£150
Fri 4/1209:45 -
1 stop5h 08m
Mon 7/1205:30 -
1 stop6h 21m
Deal found 13/9£151
Fri 4/1220:00 -
Nonstop1h 32m
Mon 7/1208:00 -
Nonstop1h 54m
Deal found 13/9£152
Mon 19/1016:25 -
Nonstop1h 49m
Tue 20/1019:05 -
Nonstop1h 52m
Deal found 11/9£153
Thu 29/1010:00 -
1 stop4h 43m
Thu 5/1105:45 -
Nonstop2h 05m
Deal found 14/9£154
Sun 25/1007:20 -
Nonstop1h 50m
Thu 29/1009:50 -
Nonstop2h 10m
Deal found 15/9£157
Thu 1/1009:55 -
Nonstop1h 39m
Sun 4/1015:55 -
1 stop5h 55m
Deal found 15/9£160

Find flight deals from Toronto to Boston

Round-trip from

£142

One-way from

£102

Popular in

April

Cheapest in

July

Average price

£191

Good round-trip deal

£886 or less

Good one-way deal

£112 or less
Porter Airlines
  • Porter Airlines
  • 1/10-4/10
  • Nonstop
  • 3h 35m total
  • Toronto to Boston
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Porter Airlines
  • Porter Airlines
  • 28/10-31/12
  • 2 total stops
  • 9h 42m total
  • Toronto to Boston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£17 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in September 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

YTZ Toronto Island - BOS Boston Logan Intl

YTZBOS

Toronto Island

Wed 28/10

12:15-16:42

1 stop4h 27m

Boston Logan Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£102

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Thu 29/10

07:20-09:10

Nonstop1h 50m

Boston Logan Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£109

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Sun 1/11

06:00-11:15

1 stop5h 15m

Boston Logan Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£113

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Tue 27/10

07:43-13:31

1 stop5h 48m

Boston Logan Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£113

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Mon 28/9

10:00-18:31

1 stop8h 31m

Boston Logan Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£113

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Wed 28/10

10:53-19:14

1 stop8h 21m

Boston Logan Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£113

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Tue 13/10

17:04-23:20

1 stop6h 16m

Boston Logan Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£113

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Sun 8/11

08:35-00:46

1 stop16h 11m

Boston Logan Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£113
Fastest return journey

TorontoBoston

YTZ Toronto Island - BOS Boston Logan Intl

YTZBOS

Toronto Island

Thu 5/11

11:00-12:32

Nonstop1h 32m

Boston Logan Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£116

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Tue 6/10

12:05-19:25

2 stops7h 20m

Boston Logan Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£144

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 43 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 £194). Flying from Toronto to Boston in April is currently the most expensive (average of £260). 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 74% on the cost of your flight, compared to a flight in the afternoon.

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 Tuesday, which is when the least amount of flights are scheduled (27 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 £162 and £251 in October.
The cheapest return price found within the last 5 days was £142 on Porter Airlines (1 Oct–4 Oct).

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 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?

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 22% 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
462 reviews
Check prices

Entertainment

6.9

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sept 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Porter Airlines
8.0
Very Good
462 reviews
Porter Airlines
8.0
Very Good
462 reviews
Check prices

Entertainment

6.9

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sept 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

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 29 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 Air Canada, Porter Airlines, and United Airlines fly from Toronto to Boston in about 5h 08m. The time it takes to get you to your destination can typically vary by up to 4h 34m. 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 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 United Airlines (65%), Emirates (55%) and American Airlines (54%).

  • What are the cheapest flights from Toronto to Boston?

    Looking at all options, your cheapest flight can be booked for £679. While the most popular route (Toronto Pearson Intl - Boston Logan Intl) can be booked for £142 on average, our data indicates £1,082 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 £194). Flying from Toronto to Boston in April is currently the most expensive (average of £260). 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
Wellfleet
Peabody
Revere
Somerville
Quincy
Chelmsford
Raynham

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Toronto to Boston

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

Top airline flying from Toronto to Boston

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£129Average£172FlexibilityNo 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?

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