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Cheap flights from Boston to Toronto from £71

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YTO
30 Aug — 6 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Toronto are usually found in July or October, booked 55 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap flight deals from Boston to Toronto

Enter your travel dates to find the best prices.

Cheapest flights from Boston to Toronto
Explore the most affordable flight options available from Boston to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2026.

Tue 1/917:30
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Sun 6/913:35
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 31/7£146
Wed 9/917:30
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Wed 16/908:50
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 26/7£152
Tue 15/915:55
BOS
-
YTZ
1 stop5h 50m
Porter Airlines
Tue 22/918:00
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 30/7£153
Tue 1/919:30
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sun 6/916:55
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 31/7£154
Sat 5/917:30
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Tue 8/908:50
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 30/7£155
Tue 1/915:35
BOS
-
YTZ
1 stop4h 16m
Air Canada
Sun 6/909:30
YTZ
-
BOS
1 stop5h 11m
Air Canada
Deal found 31/7£157
Tue 1/905:45
BOS
-
YYZ
1 stop4h 50m
Multiple Airlines
Sun 6/916:55
YYZ
-
BOS
Nonstop1h 40m
Multiple Airlines
Deal found 31/7£158
Tue 15/915:55
BOS
-
YTZ
1 stop4h 20m
Multiple Airlines
Tue 22/909:30
YTZ
-
BOS
1 stop5h 11m
Multiple Airlines
Deal found 30/7£158
Fri 4/915:55
BOS
-
YTZ
1 stop5h 50m
Porter Airlines
Tue 8/913:35
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 30/7£159
Wed 9/910:05
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Wed 16/907:25
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 26/7£160
Fri 11/907:00
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Fri 18/911:55
YTZ
-
BOS
1 stop4h 05m
Porter Airlines
Deal found 28/7£160
Thu 17/919:30
BOS
-
YYZ
Nonstop1h 55m
Multiple Airlines
Wed 23/910:00
YYZ
-
BOS
Nonstop1h 51m
Multiple Airlines
Deal found 27/7£163

Find flight deals from Boston to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Toronto (YTO). 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 31 July 2026.

Round-trip from

£146

One-way from

£71

Popular in

April

Cheapest in

July

Average price

£206

Good one-way deal

£70 or less
Porter Airlines
  • Porter Airlines
  • 15/9-22/9
  • Nonstop
  • 3h 28m total
  • Boston to Toronto
Search Deals
Air Canada
  • Air Canada
  • 8/9
  • Nonstop
  • 1h 52m total
  • Boston to Toronto
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Toronto (YTO).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Boston to Toronto 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 31 July 2026.
Use the filters below to find and compare flights from Boston to Toronto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sun 13/9

07:00-08:47

Nonstop1h 47m

Toronto Island

Sun 20/9

15:05-16:46

Nonstop1h 41m

£190

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 11/9

19:30-21:25

Nonstop1h 55m

Toronto Pearson Intl

Fri 18/9

07:25-09:05

Nonstop1h 40m

£197

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sun 13/9

19:30-21:25

Nonstop1h 55m

Toronto Pearson Intl

Sun 20/9

07:25-09:05

Nonstop1h 40m

£197

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 1/9

15:00-23:41

1 stop8h 41m

Toronto Pearson Intl

Sun 6/9

06:00-11:15

1 stop5h 15m

£204

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 10/9

15:55-21:45

1 stop5h 50m

Toronto Island

Thu 17/9

08:50-10:30

Nonstop1h 40m

£210

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 29/8

15:55-22:04

1 stop6h 09m

Toronto Pearson Intl

Wed 2/9

15:40-20:55

1 stop5h 15m

£211

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Mon 21/9

18:42-23:59

1 stop5h 17m

Toronto Pearson Intl

Wed 23/9

12:05-18:07

2 stops6h 02m

£215

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 16/9

09:00-17:56

1 stop8h 56m

Toronto Pearson Intl

Mon 21/9

14:45-01:10

1 stop10h 25m

£216

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 9/9

05:45-10:04

1 stop4h 19m

Toronto Pearson Intl

Wed 16/9

11:00-16:27

1 stop5h 27m

£216

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 11/9

15:55-21:45

1 stop5h 50m

Toronto Island

Fri 18/9

18:00-19:41

Nonstop1h 41m

£222

Flights are sorted by cheapest return flights first.

Deals found on 29/7

Showing 1-10 of 39 resultsSorted by cheapest first
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Best time to book a flight from Boston to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Boston 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 Boston to Toronto

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

Currently, July is the cheapest month in which you can book a flight from Boston to Toronto (average of £216). Flying from Boston to Toronto in April is currently the most expensive (average of £287). 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 BOS to YTO?

Find hourly flight availability from Boston to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 July 2026.

When flying from Boston to Toronto, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 58% versus a flight in the evening.

Weekly flight availability from Boston to Toronto

Explore weekly flight availability from Boston to Toronto. 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 31 July 2026.

The most flights from BOS to YTO are scheduled on a Friday (34 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).

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

Airfare is below average for this route at the moment.
Boston to Toronto flights typically cost between £189 and £330 in September.
The cheapest return price found within the last 5 days was £146 on Porter Airlines (1 Sept–6 Sept).

How often are flights from Boston to Toronto delayed?

About 23% of weekly flights between Boston and Toronto have experienced delays in the past year, with the average delay time being 127 minutes.

What is the most punctual flight time for Boston to Toronto flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening 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 Boston to Toronto 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 Boston to Toronto?

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Toronto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated 31 July 2026.
Get a feel of what it's like to fly with Porter Airlines from Boston to Toronto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very Good
449 reviews
Check prices

Overall

8.0

Entertainment

6.9

Boarding

8.2

Crew

8.6

Food

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very Good
449 reviews
Porter Airlines
8.0
Very Good
449 reviews
Check prices

Overall

8.0

Entertainment

6.9

Boarding

8.2

Crew

8.6

Food

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

Find useful and relevant information for your journey from Boston to Toronto. 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 from for flights from Boston to Toronto?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Toronto. 2 airlines have flights from Logan Intl to Toronto on a regular basis. Booking flights from Boston Logan Intl to Toronto should not be difficult; the airport handles an average of 22 outbound flights to Toronto per day.

  • How long is the flight from Boston to Toronto?

    Airlines like Porter Airlines and Air Canada fly from Boston to Toronto in about 1h 52m. The time it takes to get you to your destination is usually consistent. Boston and Toronto are separated by a distance of 444 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Boston to Toronto round-trip?

    Cheapflights users have booked flights from Boston to Toronto round-trip from £146. Another airline that can offer you cheap pricing is Porter Airlines. Users have found that Air Canada is 39% cheaper than the other options available to this destination.

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

    Consider Jazz (82%), Brussels Airlines (80%) or ITA Airways (78%) when booking your flight. These represent the most reliable airlines when flying from Boston to Toronto.

  • What are the cheapest flights from Boston to Toronto?

    The cheapest flight price from Boston to Toronto is £68. On average you can expect to pay £226. The most popular route, (Boston Logan Intl - Toronto Pearson Intl), can usually be booked for £163.

  • Can I find deals for flights from Boston to Toronto that include hotel bookings?

    Yes. In addition to deals on Boston to Toronto flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to Toronto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Toronto.

  • Can I find deals for business class flights from Boston to Toronto?

    Yes. Cheapflights offers flight deals from Boston to Toronto 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 Boston to Toronto?

    Currently, July is the cheapest month in which you can book a flight from Boston to Toronto (average of £216). Flying from Boston to Toronto in April is currently the most expensive (average of £287). 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

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Alternative routes for Boston to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Pearson Intl flights
Boston to Pierre Elliott Trudeau Intl flights

Top 2 airlines flying from Boston to Toronto

Discover the top 2 airlines that operate flights from Boston to Toronto. 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 31 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£146Average£227FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapest£175Average£398FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Boston to Toronto?

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Why should you use Cheapflights to find cheap flight tickets from Boston to Toronto?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Toronto from Boston.

Can Cheapflights find flights from Boston to Toronto with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Boston to Toronto flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Boston to Toronto become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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