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Cheap flights from Boston to Toronto from C$ 152

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YTO
17 Jun — 24 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 Thursday or Monday and return on a Friday

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 June 2025.

Round-trip from

C$ 302

One-way from

C$ 152

Popular in

November

Cheapest in

July

Average price

C$ 406

Good round-trip deal

C$ 357 or less

Good one-way deal

C$ 155 or less
Air Canada
  • Air Canada
  • 3/7-10/7
  • Nonstop
  • 3h 38m total
  • Boston to Toronto
Air Canada
  • Air Canada
  • 29/6
  • Nonstop
  • 2h 05m total
  • Boston to Toronto
Highest demand for flights based on searches. 11% potential increase in price (C$ 77 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Boston Logan Intl to Toronto (YTO).
Price to beat on a one-way flight from Boston Logan Intl to Toronto (YTO).

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 June 2025.

Thu 3/76:00 a.m.BOS - YYZ
Nonstop1h 55mAir Canada
Thu 10/79:45 a.m.YYZ - BOS
Nonstop1h 43mAir Canada
Deal found 9/6C$ 302
Thu 10/78:45 a.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Mon 14/73:00 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 11/6C$ 302
Fri 18/75:50 a.m.BOS - YTZ
2 stops5h 41mMultiple Airlines
Fri 25/71:00 p.m.YTZ - BOS
Nonstop1h 41mMultiple Airlines
Deal found 11/6C$ 305
Wed 29/109:45 a.m.BOS - YYZ
1 stop4h 30mPorter Airlines
Sun 2/112:00 p.m.YYZ - BOS
1 stop4h 15mPorter Airlines
Deal found 12/6C$ 314
Sat 29/116:00 a.m.BOS - YTZ
1 stop5h 50mAir Canada
Fri 12/1210:25 a.m.YTZ - BOS
1 stop4h 13mAir Canada
Deal found 10/6C$ 351
Tue 2/126:30 p.m.BOS - YYZ
1 stop4h 14mDelta
Tue 9/127:59 a.m.YYZ - BOS
1 stop7h 23mDelta
Deal found 10/6C$ 361
Wed 9/75:30 a.m.BOS - YYZ
1 stop8h 49mUnited Airlines
Wed 9/75:15 p.m.YYZ - BOS
1 stop6h 17mUnited Airlines
Deal found 9/6C$ 364
Wed 2/712:15 p.m.BOS - YTZ
Nonstop1h 49mAir Transat
Fri 4/77:50 p.m.YTZ - BOS
Nonstop1h 41mAir Transat
Deal found 10/6C$ 390
Thu 10/73:16 p.m.BOS - YYZ
1 stop8h 42mMultiple Airlines
Mon 14/74:30 p.m.YYZ - BOS
1 stop5h 26mMultiple Airlines
Deal found 12/6C$ 394
Thu 3/78:10 a.m.BOS - YYZ
1 stop7h 25mAmerican Airlines
Sat 5/77:15 a.m.YYZ - BOS
1 stop10h 08mAmerican Airlines
Deal found 11/6C$ 395
Tue 9/96:30 p.m.BOS - YHM
1 stop30h 10mWestJet
Fri 12/96:00 a.m.YHM - BOS
1 stop11h 40mWestJet
Deal found 10/6C$ 651
Wed 8/103:30 p.m.BOS - YHM
2 stops33h 10mMultiple Airlines
Mon 13/106:00 a.m.YHM - BOS
1 stop11h 40mMultiple Airlines
Deal found 12/6C$ 786

Cheapflights Fare Finder

Customize 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 629,999 searches. Data last updated 12 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

Thu 3/7

6:00 a.m.-7:55 a.m.

Nonstop1h 55m

Toronto Pearson Intl

Thu 10/7

9:45 a.m.-11:28 a.m.

Nonstop1h 43m

C$ 302

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 10/7

8:45 a.m.-10:34 a.m.

Nonstop1h 49m

Toronto Island

Mon 14/7

3:00 p.m.-4:41 p.m.

Nonstop1h 41m

C$ 302

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 18/7

5:50 a.m.-11:31 a.m.

2 stops5h 41m

Toronto Island

Fri 25/7

1:00 p.m.-2:41 p.m.

Nonstop1h 41m

C$ 305

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 1/9

10:20 a.m.-4:46 p.m.

1 stop6h 26m

Toronto Island

Wed 3/9

8:50 a.m.-2:30 p.m.

2 stops5h 40m

C$ 357

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 9/7

5:30 a.m.-2:19 p.m.

1 stop8h 49m

Toronto Pearson Intl

Wed 9/7

5:15 p.m.-11:32 p.m.

1 stop6h 17m

C$ 364

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 25/6

12:00 p.m.-4:14 p.m.

1 stop4h 14m

Toronto Pearson Intl

Mon 30/6

6:15 a.m.-2:20 p.m.

1 stop8h 05m

C$ 383

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 25/7

8:39 p.m.-2:05 p.m.

1 stop17h 26m

Toronto Pearson Intl

Tue 29/7

9:10 a.m.-6:28 p.m.

2 stops9h 18m

C$ 386

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 2/7

12:15 p.m.-2:04 p.m.

Nonstop1h 49m

Toronto Island

Fri 4/7

7:50 p.m.-9:31 p.m.

Nonstop1h 41m

C$ 390

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 3/7

8:10 a.m.-3:35 p.m.

1 stop7h 25m

Toronto Pearson Intl

Sat 5/7

7:15 a.m.-5:23 p.m.

1 stop10h 08m

C$ 395

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 19/8

3:30 p.m.-5:51 a.m.

2 stops14h 21m

Toronto Pearson Intl

Wed 27/8

9:10 a.m.-6:28 p.m.

2 stops9h 18m

C$ 443

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 27 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 round-trip 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 round-trip flight from Boston to Toronto. Price data was last updated on 9 June 2025.

To ensure you get the cheapest price possible for a flight from Boston to Toronto, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 C$ 167). Flying from Boston to Toronto in July is currently the most expensive (average of C$ 255). 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 June 2025.

One of the essential ways to save on airfare from Boston to Toronto is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 19% on airfare.

What is the cheapest day to fly from Boston to Toronto?

Use this chart to determine the cheapest time to fly round-trip from Boston to Toronto. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Boston to Toronto flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 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 mm 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 12 June 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Delta and Air Transat from Boston to Toronto to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.6

Boarding

8.2

Crew

8.7

Entertainment

7.0

Comfort

8.1

Overall

8.0

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!!!

Food

7.6

Boarding

8.2

Crew

8.7

Entertainment

7.0

Comfort

8.1

Overall

8.0

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!!!
8.0
Very good

Food

7.6

Boarding

8.2

Crew

8.7

Entertainment

7.0

Comfort

8.1

Overall

8.0

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!!!

Food

7.6

Boarding

8.2

Crew

8.7

Entertainment

7.0

Comfort

8.1

Overall

8.0

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!!!

Food

7.6

Boarding

8.2

Crew

8.7

Entertainment

7.0

Comfort

8.1

Overall

8.0

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!!!

Food

7.6

Boarding

8.2

Crew

8.7

Entertainment

7.0

Comfort

8.1

Overall

8.0

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?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Toronto. On average, Logan Intl has 12 outbound flights to Toronto per day from 3 airlines. Boston Logan Intl is conveniently located just 4.2 km from Boston’s city centre.

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

    Air Canada, at C$ 302, was found to be the cheapest airline from Boston to Toronto.Alternate airlines to your destination round-trip include Porter Airlines and Delta. These flights start at 30% lower than the current average price 3 months from now.

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

    C$ 152 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Porter Airlines and Air Transat, with prices starting from C$ 152 and C$ 154, respectively.

  • What are the most popular routes from Boston to Toronto?

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

    Before booking your flight to Toronto from Boston, check out the most reliable airlines to get you to your destination on time: Brussels Airlines (85%), Jazz (84%), Air Canada( 77%).

  • What are the cheapest flights from Boston to Toronto?

    While on average a flight from Boston to Toronto is generally C$ 365, our data shows the cheapest flight currently is C$ 127. When looking at the most popular route, (Boston Logan Intl - Toronto Pearson Intl), you can expect to pay C$ 295 for that flight.

  • 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 vacation 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 C$ 167). Flying from Boston to Toronto in July is currently the most expensive (average of C$ 255). 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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Top 3 airlines flying from Boston to Toronto

Discover the top 3 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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 205AverageC$ 473FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 291AverageC$ 427FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 340AverageC$ 526FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Boston to Toronto via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Boston to Toronto for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Toronto, users can toggle the no change fees filter when performing a flight search.

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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