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Cheap flights from Boston to Toronto from £83

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YTO
11 Jul — 18 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Toronto are usually found in October or September, booked 55 days in advance, depart on a Tuesday or Friday and return on a Saturday

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 11 June 2026.

Thu 23/707:10
BOS
-
YTZ
Nonstop1h 49m
Porter Airlines
Thu 30/708:50
YTZ
-
BOS
Nonstop1h 39m
Porter Airlines
Deal found 9/6£149
Thu 16/707:10
BOS
-
YTZ
Nonstop1h 49m
Porter Airlines
Mon 20/715:05
YTZ
-
BOS
Nonstop1h 39m
Porter Airlines
Deal found 10/6£154
Thu 23/710:40
BOS
-
YTZ
1 stop5h 11m
Air Canada
Thu 30/707:15
YTZ
-
BOS
Nonstop1h 37m
Air Canada
Deal found 8/6£156
Fri 17/705:45
BOS
-
YTZ
1 stop4h 31m
Air Canada
Mon 20/707:15
YTZ
-
BOS
Nonstop1h 37m
Air Canada
Deal found 10/6£158
Tue 7/710:05
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Tue 21/716:55
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 7/6£159
Tue 7/720:25
BOS
-
YTZ
Nonstop1h 49m
Multiple Airlines
Tue 21/710:50
YTZ
-
BOS
1 stop3h 51m
Multiple Airlines
Deal found 7/6£163
Thu 16/719:30
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Mon 20/716:55
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 10/6£164
Thu 16/705:45
BOS
-
YTZ
1 stop4h 31m
Air Canada
Mon 20/717:15
YTZ
-
BOS
Nonstop1h 37m
Air Canada
Deal found 10/6£165
Sat 1/815:55
BOS
-
YYZ
1 stop6h 09m
Multiple Airlines
Sat 15/820:55
YYZ
-
BOS
Nonstop1h 43m
Multiple Airlines
Deal found 7/6£166
Wed 8/710:05
BOS
-
YYZ
Nonstop1h 55m
Multiple Airlines
Wed 15/714:20
YYZ
-
BOS
Nonstop1h 43m
Multiple Airlines
Deal found 8/6£169
Thu 16/705:45
BOS
-
YYZ
1 stop4h 50m
Multiple Airlines
Mon 20/716:55
YYZ
-
BOS
Nonstop1h 40m
Multiple Airlines
Deal found 10/6£170
Tue 7/718:50
BOS
-
YYZ
1 stop4h 30m
Air Canada
Tue 21/714:20
YYZ
-
BOS
Nonstop1h 43m
Air Canada
Deal found 7/6£177

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 11 June 2026.

Round-trip from

£149

One-way from

£83

Popular in

April

Cheapest in

October

Average price

£262

Good round-trip deal

£369 or less

Good one-way deal

£182 or less
Porter Airlines
  • Porter Airlines
  • 23/7-30/7
  • Nonstop
  • 3h 28m total
  • Boston to Toronto
Search Deals
Porter Airlines
  • Porter Airlines
  • 14/7
  • 2 total stops
  • 13h 59m 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 June 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Toronto (YTO).
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 11 June 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

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 21/7

07:10-08:59

Nonstop1h 49m

Toronto Island

Tue 28/7

15:05-16:44

Nonstop1h 39m

£191

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sun 23/8

16:45-22:20

1 stop5h 35m

Toronto Island

Sun 30/8

18:00-19:41

Nonstop1h 41m

£197

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 21/7

16:45-22:18

1 stop5h 33m

Toronto Island

Thu 23/7

18:05-19:44

Nonstop1h 39m

£197

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 21/7

10:05-12:00

Nonstop1h 55m

Toronto Pearson Intl

Tue 28/7

17:35-19:15

Nonstop1h 40m

£198

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 21/7

10:05-12:00

Nonstop1h 55m

Toronto Pearson Intl

Thu 23/7

15:40-20:55

1 stop5h 15m

£204

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sun 23/8

16:45-22:20

1 stop5h 35m

Toronto Island

Sat 29/8

13:35-15:15

Nonstop1h 40m

£216

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sun 23/8

10:05-12:00

Nonstop1h 55m

Toronto Pearson Intl

Sat 29/8

07:25-09:05

Nonstop1h 40m

£217

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 4/7

07:00-16:15

1 stop9h 15m

Toronto Pearson Intl

Wed 22/7

06:04-11:15

1 stop5h 11m

£220

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sun 23/8

10:00-18:09

1 stop8h 09m

Toronto Pearson Intl

Sat 29/8

12:15-19:16

1 stop7h 01m

£220

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 4/7

07:51-16:15

1 stop8h 24m

Toronto Pearson Intl

Fri 24/7

18:59-23:31

1 stop4h 32m

£220

Flights are sorted by cheapest return flights first.

Deals found on 7/6

Showing 1-10 of 42 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, February is the cheapest month in which you can book a flight from Boston to Toronto (average of £68). Flying from Boston to Toronto in January is currently the most expensive (average of £651). 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 11 June 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 11 June 2026.

The most flights from BOS to YTO are scheduled on a Wednesday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

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

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 129 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?

Wednesday tends to have the lowest number of delays on this route, whereas Thursday 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 11 June 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
438 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

6.9

Comfort

8.0

Food

7.6

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very Good
438 reviews
Porter Airlines
8.0
Very Good
438 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

6.9

Comfort

8.0

Food

7.6

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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 25 outbound flights to Toronto per day.

  • How long is the flight from Boston to Toronto?

    Airlines like Porter Airlines and Delta fly from Boston to Toronto in about 1h 49m. The time it takes to get you to your destination can typically vary by up to 7h 26m. Boston and Toronto 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 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 ITA Airways (91%), Brussels Airlines (89%) or Jazz (76%) 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 £86. On average you can expect to pay £182. The most popular route, (Boston Logan Intl - Toronto Island), can usually be booked for £149.

  • 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, February is the cheapest month in which you can book a flight from Boston to Toronto (average of £68). Flying from Boston to Toronto in January is currently the most expensive (average of £651). 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

Browse thousands of different options on Cheapflights for your next trip

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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 11 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£146Average£227FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapest£175Average£399FlexibilityNo cancel feeOn-time52%
Search Porter Airlines 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 Boston to Toronto?

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 Toronto from Boston today with Cheapflights!

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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