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Cheap flights from Boston to Toronto from £75

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YTO
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Boston Logan Intl to Toronto are usually found in March or July, booked 78 days in advance, depart on a Friday or Wednesday and return on a Wednesday

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 12 September 2025.

Round-trip from

£158

One-way from

£75

Popular in

November

Cheapest in

March

Average price

£214

Good round-trip deal

£144 or less

Good one-way deal

£154 or less
Porter Airlines
  • Porter Airlines
  • 26/10-2/11
  • Nonstop
  • 3h 34m total
  • Boston to Toronto
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Air Canada
  • Air Canada
  • 4/10
  • Nonstop
  • 1h 48m total
  • Boston to Toronto
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Highest demand for flights based on searches. 9% potential increase in price (£18 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 September 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

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 12 September 2025.

Sun 26/1007:05BOS - YTZ
Nonstop1h 59mPorter Airlines
Sun 2/1108:00YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 11/9£158
Mon 20/1006:00BOS - YYZ
1 stop4h 39mAir Canada
Fri 24/1008:15YYZ - BOS
Nonstop1h 40mAir Canada
Deal found 10/9£159
Mon 20/1017:35BOS - YTZ
Nonstop1h 49mMultiple Airlines
Fri 24/1017:25YTZ - BOS
1 stop4h 01mMultiple Airlines
Deal found 10/9£159
Wed 26/1106:00BOS - YYZ
1 stop5h 48mMultiple Airlines
Wed 26/1114:15YYZ - BOS
Nonstop1h 42mMultiple Airlines
Deal found 9/9£167
Sun 26/1006:15BOS - YYZ
Nonstop2h 02mAir Canada
Sat 1/1100:30YYZ - BOS
1 stop10h 02mAir Canada
Deal found 11/9£171
Fri 3/1019:15BOS - YTZ
Nonstop1h 49mPorter Airlines
Mon 6/1013:00YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 9/9£173
Mon 20/1006:00BOS - YTZ
1 stop5h 45mAir Canada
Fri 24/1017:25YTZ - BOS
1 stop4h 01mAir Canada
Deal found 10/9£180
Sat 15/1113:39BOS - YYZ
1 stop4h 10mMultiple Airlines
Sat 15/1120:55YYZ - BOS
Nonstop1h 42mMultiple Airlines
Deal found 10/9£186
Sat 15/1109:40BOS - YYZ
1 stop6h 22mUnited Airlines
Sat 15/1118:40YYZ - BOS
1 stop4h 08mUnited Airlines
Deal found 10/9£188
Sat 4/1007:15BOS - YTZ
Nonstop1h 49mPorter Airlines
Mon 6/1020:20YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 11/9£192
Wed 8/1009:30BOS - YYZ
1 stop7h 44mUnited Airlines
Sun 12/1007:30YYZ - BOS
1 stop5h 55mUnited Airlines
Deal found 9/9£196
Fri 26/906:00BOS - YYZ
Nonstop1h 56mAir Canada
Fri 3/1020:55YYZ - BOS
Nonstop1h 44mAir Canada
Deal found 11/9£197

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 12 September 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 - YYZ

BOSYYZ

Boston Logan Intl

Wed 26/11

06:00-11:48

1 stop5h 48m

Toronto Pearson Intl

Wed 26/11

14:15-15:57

Nonstop1h 42m

£167

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 3/10

19:15-21:04

Nonstop1h 49m

Toronto Island

Mon 6/10

13:00-14:41

Nonstop1h 41m

£173

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 20/10

17:35-19:24

Nonstop1h 49m

Toronto Island

Fri 24/10

20:20-22:01

Nonstop1h 41m

£176

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 20/10

06:00-11:45

1 stop5h 45m

Toronto Island

Fri 24/10

17:25-21:26

1 stop4h 01m

£180

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 25/10

18:45-20:34

Nonstop1h 49m

Toronto Island

Sat 1/11

13:10-14:45

Nonstop1h 35m

£192

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 4/10

07:15-09:04

Nonstop1h 49m

Toronto Island

Mon 6/10

20:20-22:01

Nonstop1h 41m

£192

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 14/10

06:00-11:44

1 stop5h 44m

Toronto Pearson Intl

Fri 17/10

10:45-16:22

1 stop5h 37m

£196

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 8/10

09:30-17:14

1 stop7h 44m

Toronto Pearson Intl

Sun 12/10

07:30-13:25

1 stop5h 55m

£196

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 11/10

05:30-10:04

1 stop4h 34m

Toronto Pearson Intl

Tue 14/10

10:45-15:13

1 stop4h 28m

£196

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 3/10

06:00-11:44

1 stop5h 44m

Toronto Pearson Intl

Fri 3/10

14:45-21:45

1 stop7h 00m

£198

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 41 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 29 August 2025.

Booking 78 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, January is the cheapest month in which you can book a flight from Boston to Toronto (average of £490). Flying from Boston to Toronto in July is currently the most expensive (average of £708). 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 12 September 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 68% versus a flight in the afternoon.

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 12 September 2025.

The most flights from BOS to YTO are scheduled on a Wednesday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

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 12 September 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
7.9
Good
363 reviews
Check prices

Crew

8.6

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

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
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

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 19 outbound flights to Toronto per day.

  • How long is the flight from Boston to Toronto?

    Airlines like Porter Airlines, Air Canada, and United Airlines 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 5h 55m. 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 £138. Users have found that Air Canada is 41% 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 Air Canada (£75), Porter Airlines (£75), and Delta (£78).

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

    Consider Jazz (81%), ITA Airways (79%) or Brussels Airlines (77%) 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 £138. On average you can expect to pay £210. The most popular route, (Boston Logan Intl - Toronto Island), can usually be booked for £134.

  • 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, January is the cheapest month in which you can book a flight from Boston to Toronto (average of £490). Flying from Boston to Toronto in July is currently the most expensive (average of £708). 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 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£138Average£179FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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

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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.

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