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Cheap flights from Boston to Toronto from £102

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YTO
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Boston Logan Intl to Toronto are usually found in September or March, booked 60 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap 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 October 2025.

Round-trip from

£225

One-way from

£102

Popular in

November

Cheapest in

September

Average price

£242

Good round-trip deal

£162 or less

Good one-way deal

£134 or less
Porter Airlines
  • Porter Airlines
  • 13/1-10/2
  • 1 total stop
  • 6h 04m total
  • Boston to Toronto
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Delta
  • Delta
  • 24/1
  • 1 total stop
  • 4h 23m total
  • Boston to Toronto
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Highest demand for flights based on searches. 10% potential increase in price (£22 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Toronto (YTO).
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Price to beat on a one-way flight from Boston Logan Intl to Toronto (YTO).
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Find 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 October 2025.

Tue 25/1112:00BOS - YYZ
1 stop5h 49mMultiple Airlines
Thu 27/1120:55YYZ - BOS
Nonstop1h 42mMultiple Airlines
Deal found 28/10£234
Wed 26/1106:02BOS - YYZ
1 stop5h 46mMultiple Airlines
Wed 3/1211:00YYZ - BOS
1 stop3h 52mMultiple Airlines
Deal found 29/10£238
Sun 16/1107:00BOS - YTZ
Nonstop1h 55mPorter Airlines
Thu 20/1113:20YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 28/10£240
Thu 4/1210:30BOS - YYZ
1 stop7h 18mDelta
Sun 7/1207:44YYZ - BOS
1 stop5h 31mDelta
Deal found 29/10£245
Wed 19/1115:40BOS - YTZ
1 stop6h 23mPorter Airlines
Sat 22/1107:45YTZ - BOS
2 stops10h 26mPorter Airlines
Deal found 29/10£251
Sat 22/1105:30BOS - YYZ
1 stop13h 27mMultiple Airlines
Sat 22/1100:30YYZ - BOS
1 stop9h 02mMultiple Airlines
Deal found 28/10£263
Mon 17/1113:30BOS - YYZ
1 stop4h 19mUnited Airlines
Sat 22/1107:30YYZ - BOS
1 stop4h 59mUnited Airlines
Deal found 29/10£263
Tue 2/1216:20BOS - YYZ
1 stop7h 39mMultiple Airlines
Sat 20/1220:55YYZ - BOS
Nonstop1h 42mMultiple Airlines
Deal found 29/10£265
Sat 15/1107:00BOS - YTZ
Nonstop1h 55mPorter Airlines
Mon 17/1107:45YTZ - BOS
2 stops10h 26mPorter Airlines
Deal found 29/10£266
Thu 13/1115:40BOS - YTZ
1 stop6h 23mPorter Airlines
Sat 15/1107:45YTZ - BOS
2 stops10h 26mPorter Airlines
Deal found 29/10£269
Fri 14/1107:30BOS - YYZ
1 stop4h 18mMultiple Airlines
Sat 15/1117:00YYZ - BOS
1 stop4h 27mMultiple Airlines
Deal found 29/10£274
Wed 26/1113:00BOS - YYZ
1 stop4h 49mUnited Airlines
Mon 1/1209:00YYZ - BOS
1 stop5h 08mUnited Airlines
Deal found 29/10£275

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 October 2025.
Use the filters below to find and compare flights from Boston to Toronto that are best for you.

Fly from

Boston

Fly to

Toronto

Route

Depart

Return

Price

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 14/1

18:55-20:54

Nonstop1h 59m

Toronto Island

Tue 10/2

14:05-18:10

1 stop4h 05m

£225

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 19/1

15:30-22:03

1 stop6h 33m

Toronto Island

Tue 10/2

14:05-18:10

1 stop4h 05m

£229

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 16/1

15:30-22:03

1 stop6h 33m

Toronto Island

Tue 10/2

14:05-18:10

1 stop4h 05m

£229

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 26/11

06:02-11:48

1 stop5h 46m

Toronto Pearson Intl

Wed 3/12

11:00-14:52

1 stop3h 52m

£238

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sun 16/11

07:00-08:55

Nonstop1h 55m

Toronto Island

Thu 20/11

13:20-14:55

Nonstop1h 35m

£240

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sun 18/1

11:00-16:12

1 stop5h 12m

Toronto Pearson Intl

Wed 11/2

07:50-12:23

1 stop4h 33m

£245

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 25/11

13:25-17:49

1 stop4h 24m

Toronto Pearson Intl

Fri 28/11

12:45-17:22

1 stop4h 37m

£245

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 3/2

12:45-21:21

1 stop8h 36m

Toronto Pearson Intl

Tue 3/2

00:30-09:32

1 stop9h 02m

£245

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 4/12

13:35-17:49

1 stop4h 14m

Toronto Pearson Intl

Sun 7/12

07:30-12:33

1 stop5h 03m

£245

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 26/11

13:00-17:49

1 stop4h 49m

Toronto Pearson Intl

Wed 3/12

12:45-17:16

1 stop4h 31m

£245

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 42 results
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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

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

Use this chart to determine the optimal time to book a return flight from Boston to Toronto. Price data was last updated on 24 October 2025.

Booking 60 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.

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

Currently, April is the cheapest month in which you can book a flight from Boston to Toronto (average of £89). Flying from Boston to Toronto in July is currently the most expensive (average of £175). 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 October 2025.

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 at midday, which can drop the price by up to 69% versus a flight in the evening.

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

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 October 2025.
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
384 reviews
Check prices

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very Good
384 reviews
Porter Airlines
8.0
Very Good
384 reviews
Check prices

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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. 1 airline 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 9 outbound flights to Toronto per day.

  • How long is the flight from Boston to Toronto?

    Airlines like Porter Airlines, Delta, and United Airlines fly from Boston to Toronto in about 1h 59m. The time it takes to get you to your destination can typically vary by up to 3h 13m. 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 is the cheapest airline to fly from Boston to Toronto round-trip?

    Cheapflights users have booked flights from Boston to Toronto round-trip from £142. Users have found that Air Canada is 42% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Boston to Toronto one-way?

    The cheapet airlines for a one-way flight from Boston to Toronto are Delta (£102), Porter Airlines (£104), and United Airlines (£105).

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

    Consider Brussels Airlines (79%), ITA Airways (72%) or United Airlines (66%) 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 £159. On average you can expect to pay £274. The most popular route, (Boston Logan Intl - Toronto Pearson Intl), can usually be booked for £196.

  • 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, April is the cheapest month in which you can book a flight from Boston to Toronto (average of £89). Flying from Boston to Toronto in July is currently the most expensive (average of £175). 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 airline flying from Boston to Toronto

Discover the top airline 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 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£142Average£176FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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