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Cheap flights from Boston to Toronto from £86

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 26/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YTO
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Boston Logan Intl to Toronto are usually found in July or March, booked 78 days in advance, depart on a Tuesday or Thursday 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 13 June 2025.

Round-trip from

£165

One-way from

£86

Popular in

November

Cheapest in

July

Average price

£219

Good one-way deal

£121 or less
Air Canada
  • Air Canada
  • 27/7-3/8
  • Nonstop
  • 3h 35m total
  • Boston to Toronto
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Delta
  • Delta
  • 26/6
  • 1 total stop
  • 7h 37m total
  • Boston to Toronto
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Highest demand for flights based on searches. 11% potential increase in price (£22 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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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 13 June 2025.

Sun 27/706:00BOS - YYZ
Nonstop1h 55mAir Canada
Sun 3/808:15YYZ - BOS
Nonstop1h 40mAir Canada
Deal found 12/6£165
Wed 27/815:30BOS - YTZ
1 stop4h 12mPorter Airlines
Mon 1/915:00YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 10/6£166
Thu 4/915:30BOS - YYZ
2 stops14h 21mPorter Airlines
Fri 5/909:10YYZ - BOS
2 stops9h 18mPorter Airlines
Deal found 11/6£174
Thu 2/1010:20BOS - YTZ
1 stop4h 25mAir Canada
Sat 4/1015:25YTZ - BOS
1 stop6h 00mAir Canada
Deal found 12/6£178
Sat 29/1109:15BOS - YYZ
1 stop4h 28mUnited Airlines
Sun 7/1219:00YYZ - BOS
1 stop4h 17mUnited Airlines
Deal found 10/6£194
Sun 27/712:15BOS - YTZ
Nonstop1h 49mMultiple Airlines
Sun 3/819:50YTZ - BOS
Nonstop1h 41mMultiple Airlines
Deal found 12/6£198
Fri 20/615:00BOS - YYZ
1 stop8h 44mDelta
Tue 24/618:14YYZ - BOS
1 stop4h 26mDelta
Deal found 11/6£199
Wed 27/812:15BOS - YTZ
Nonstop1h 49mAir Transat
Mon 1/909:50YTZ - BOS
Nonstop1h 41mAir Transat
Deal found 12/6£200
Thu 10/715:16BOS - YYZ
1 stop8h 42mMultiple Airlines
Mon 14/716:30YYZ - BOS
1 stop5h 26mMultiple Airlines
Deal found 12/6£212
Mon 7/712:15BOS - YYZ
1 stop10h 50mAmerican Airlines
Fri 11/707:15YYZ - BOS
1 stop8h 55mAmerican Airlines
Deal found 11/6£292

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 13 June 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

Sun 27/7

06:00-07:55

Nonstop1h 55m

Toronto Pearson Intl

Sun 3/8

08:15-09:55

Nonstop1h 40m

£165

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 27/8

15:30-19:42

1 stop4h 12m

Toronto Island

Mon 1/9

15:00-16:41

Nonstop1h 41m

£166

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 4/9

15:30-05:51

2 stops14h 21m

Toronto Pearson Intl

Fri 5/9

09:10-18:28

2 stops9h 18m

£174

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 2/10

10:20-14:45

1 stop4h 25m

Toronto Island

Sat 4/10

15:25-21:25

1 stop6h 00m

£178

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 29/11

09:15-13:43

1 stop4h 28m

Toronto Pearson Intl

Sun 7/12

19:00-23:17

1 stop4h 17m

£194

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sun 27/7

12:15-14:04

Nonstop1h 49m

Toronto Island

Sun 3/8

19:50-21:31

Nonstop1h 41m

£198

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 27/8

12:15-14:04

Nonstop1h 49m

Toronto Island

Mon 1/9

09:50-11:31

Nonstop1h 41m

£200

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 25/6

12:00-16:14

1 stop4h 14m

Toronto Pearson Intl

Mon 30/6

06:15-14:20

1 stop8h 05m

£206

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 10/7

15:16-23:58

1 stop8h 42m

Toronto Pearson Intl

Mon 14/7

16:30-21:56

1 stop5h 26m

£212

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Mon 7/7

12:15-23:05

1 stop10h 50m

Toronto Pearson Intl

Fri 11/7

07:15-16:10

1 stop8h 55m

£292

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 18 results
1
2

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 9 June 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 13 June 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 84% 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 13 June 2025.

The most flights from BOS to YTO are scheduled on a Thursday (20 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Toronto by month

Plan your trip to Toronto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Toronto ranges from 51.0 - 83.0 inches per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Toronto when rainfall is around 51.0 mm.

Temperature in Toronto by month

Plan your trip to Toronto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Toronto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 13 June 2025.
To help decide which airline to fly from Boston to Toronto, see what other customers have to say about Porter Airlines, Delta and Air Transat. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very Good
288 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Porter Airlines
8.0
Very Good
288 reviews
Porter Airlines
8.0
Very Good
288 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Delta
8.0
Very Good
7,946 reviews
Porter Airlines
8.0
Very Good
288 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Air Transat
7.8
Good
396 reviews
Porter Airlines
8.0
Very Good
288 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
United Airlines
7.4
Good
8,790 reviews
Porter Airlines
8.0
Very Good
288 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very Good
288 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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. 0 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 12 outbound flights to Toronto per day.

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

    Cheapflights users have booked flights from Boston to Toronto round-trip from £165. Other airlines that can offer you cheap pricing are Porter Airlines, from £166, and United Airlines, from £194. Users have found that Air Canada is 29% 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 United Airlines (£86), Porter Airlines (£87), and Air Transat (£91).

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

    Consider Brussels Airlines (85%), Jazz (84%) or Air Canada (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 £94. On average you can expect to pay £140. The most popular route, (Boston Logan Intl - Toronto Pearson Intl), can usually be booked for £165.

  • 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

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