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Cheap flights from Boston to Toronto from C$ 144

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YTO
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Boston Logan Intl to Toronto are usually found in March or September, booked 75 days in advance, depart on a Monday or Tuesday 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 29 April 2025.

Round-trip from

C$ 299

One-way from

C$ 144

Popular in

November

Cheapest in

March

Average price

C$ 500

Good round-trip deal

C$ 358 or less

Good one-way deal

C$ 176 or less
Porter Airlines
  • Porter Airlines
  • 14/8-28/8
  • Nonstop
  • 3h 30m total
  • Boston to Toronto
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Air Canada
  • Air Canada
  • 3/7
  • 1 total stop
  • 4h 50m total
  • Boston to Toronto
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Highest demand for flights based on searches. 8% potential increase in price (C$ 58 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
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Average for round-trip flights in April 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 29 April 2025.

Thu 14/812:15 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Thu 28/87:50 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 27/4C$ 299
Wed 4/610:04 a.m.BOS - YYZ
2 stops28h 01mMultiple Airlines
Tue 10/66:30 a.m.YYZ - BOS
1 stop16h 59mMultiple Airlines
Deal found 28/4C$ 328
Wed 25/610:40 a.m.BOS - YYZ
Nonstop1h 55mAir Canada
Wed 25/64:30 p.m.YYZ - BOS
Nonstop1h 43mAir Canada
Deal found 28/4C$ 335
Thu 12/612:15 p.m.BOS - YTZ
Nonstop1h 49mMultiple Airlines
Thu 19/67:50 p.m.YTZ - BOS
Nonstop1h 41mMultiple Airlines
Deal found 28/4C$ 342
Thu 15/58:45 a.m.BOS - YYZ
1 stop6h 43mPorter Airlines
Mon 19/56:50 a.m.YYZ - BOS
1 stop3h 33mPorter Airlines
Deal found 27/4C$ 358
Thu 17/78:47 a.m.BOS - YYZ
1 stop5h 00mUnited Airlines
Thu 17/74:30 p.m.YYZ - BOS
Nonstop1h 43mUnited Airlines
Deal found 28/4C$ 367
Tue 27/56:00 a.m.BOS - YYZ
1 stop8h 33mAmerican Airlines
Tue 27/55:55 p.m.YYZ - BOS
1 stop4h 56mAmerican Airlines
Deal found 28/4C$ 371
Thu 14/812:15 p.m.BOS - YTZ
Nonstop1h 49mAir Transat
Sat 16/85:55 p.m.YTZ - BOS
Nonstop1h 41mAir Transat
Deal found 28/4C$ 387
Tue 3/65:50 a.m.BOS - YTZ
2 stops5h 42mAir Canada
Wed 4/68:50 a.m.YTZ - BOS
2 stops5h 42mAir Canada
Deal found 28/4C$ 407
Sat 9/88:00 a.m.BOS - YYZ
1 stop8h 13mDelta
Mon 18/86:00 a.m.YYZ - BOS
1 stop5h 24mDelta
Deal found 28/4C$ 481
Thu 12/66:55 p.m.BOS - YHM
1 stop25h 04mMultiple Airlines
Thu 19/68:05 a.m.YHM - BOS
1 stop34h 05mMultiple Airlines
Deal found 28/4C$ 696
Mon 26/56:25 p.m.BOS - YHM
1 stop30h 16mWestJet
Mon 2/66:00 a.m.YHM - BOS
1 stop11h 40mWestJet
Deal found 28/4C$ 820

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 29 April 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

Thu 14/8

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

Nonstop1h 49m

Toronto Island

Thu 28/8

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

Nonstop1h 41m

C$ 299

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 4/6

3:49 p.m.-2:05 p.m.

1 stop22h 16m

Toronto Pearson Intl

Tue 17/6

9:10 a.m.-6:08 p.m.

2 stops8h 58m

C$ 303

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 25/6

10:40 a.m.-12:35 p.m.

Nonstop1h 55m

Toronto Pearson Intl

Wed 25/6

4:30 p.m.-6:13 p.m.

Nonstop1h 43m

C$ 335

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 12/6

3:50 p.m.-7:37 p.m.

1 stop3h 47m

Toronto Island

Thu 19/6

9:50 a.m.-11:31 a.m.

Nonstop1h 41m

C$ 342

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 15/5

8:45 a.m.-3:28 p.m.

1 stop6h 43m

Toronto Pearson Intl

Mon 19/5

6:50 a.m.-10:23 a.m.

1 stop3h 33m

C$ 358

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Mon 2/6

8:00 a.m.-1:47 p.m.

1 stop5h 47m

Toronto Pearson Intl

Mon 2/6

4:30 p.m.-6:13 p.m.

Nonstop1h 43m

C$ 367

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 27/5

6:00 a.m.-2:33 p.m.

1 stop8h 33m

Toronto Pearson Intl

Tue 27/5

5:55 p.m.-10:51 p.m.

1 stop4h 56m

C$ 371

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 14/8

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

Nonstop1h 49m

Toronto Island

Sat 16/8

5:55 p.m.-7:36 p.m.

Nonstop1h 41m

C$ 387

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 12/5

5:50 a.m.-11:32 a.m.

2 stops5h 42m

Toronto Island

Tue 13/5

4:20 p.m.-9:57 p.m.

2 stops5h 37m

C$ 406

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 9/8

8:00 a.m.-4:13 p.m.

1 stop8h 13m

Toronto Pearson Intl

Mon 18/8

6:00 a.m.-11:24 a.m.

1 stop5h 24m

C$ 481

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

Showing 1-10 of 24 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 25 April 2025.

To ensure you get the cheapest price possible for a flight from Boston to Toronto, you should look to book at least 75 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$ 258). 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 29 April 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 20% 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 afternoons 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 29 April 2025.

The most flights from BOS to YTO are scheduled on a Monday (20 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (15 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 29 April 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.
Porter Airlines
8.0
Very good
285 reviews
Check prices

Crew

8.8

Food

7.6

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
285 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Crew

8.8

Food

7.6

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Delta
8.0
Very good
7,929 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Crew

8.8

Food

7.6

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Crew

8.8

Food

7.6

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,696 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Crew

8.8

Food

7.6

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Crew

8.8

Food

7.6

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

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 17 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?

    Porter Airlines, at C$ 299, was found to be the cheapest airline from Boston to Toronto.Alternate airlines to your destination round-trip include Air Canada and United Airlines. These flights start at 34% lower than the current average price 3 months from now.

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

    C$ 144 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 Delta, with prices starting from C$ 144 and C$ 172, respectively.

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

    When deciding which route to take from Boston to Toronto consider Boston Logan Intl - Toronto Pearson Intl, Boston Logan Intl - Toronto Island or Boston Logan Intl - Hamilton as they are the most popular.

  • 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 (75%), Jazz (72%), Air Canada( 67%).

  • What are the cheapest flights from Boston to Toronto?

    While on average a flight from Boston to Toronto is generally C$ 394, our data shows the cheapest flight currently is C$ 142. When looking at the most popular route, (Boston Logan Intl - Toronto Pearson Intl), you can expect to pay C$ 281 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$ 258). 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 202AverageC$ 509FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 315AverageC$ 469FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 345AverageC$ 510FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

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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