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Cheap flights from Boston to Toronto from £79

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YTO
5 May — 12 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 Sunday or Tuesday and return on a Thursday

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 30 April 2025.

Round-trip from

£170

One-way from

£79

Popular in

November

Cheapest in

March

Average price

£269
Porter Airlines
  • Porter Airlines
  • 19/8-20/8
  • 2 total stops
  • 9h 55m total
  • Boston to Toronto
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Porter Airlines
  • Porter Airlines
  • 20/8
  • Nonstop
  • 1h 49m total
  • Boston to Toronto
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£16 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 April 2025
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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 30 April 2025.

Tue 19/815:50BOS - YTZ
1 stop3h 47mPorter Airlines
Wed 20/812:00YTZ - BOS
1 stop6h 08mPorter Airlines
Deal found 28/4£170
Tue 19/806:00BOS - YYZ
Nonstop1h 55mMultiple Airlines
Wed 20/807:35YYZ - BOS
2 stops10h 33mMultiple Airlines
Deal found 28/4£182
Tue 19/805:50BOS - YYZ
1 stop4h 50mAir Canada
Wed 20/808:15YYZ - BOS
Nonstop1h 40mAir Canada
Deal found 28/4£183
Thu 17/708:47BOS - YYZ
1 stop5h 00mUnited Airlines
Thu 17/716:30YYZ - BOS
Nonstop1h 43mUnited Airlines
Deal found 28/4£198
Tue 19/810:10BOS - YTZ
Nonstop1h 49mMultiple Airlines
Wed 20/809:50YTZ - BOS
Nonstop1h 41mMultiple Airlines
Deal found 28/4£201
Tue 19/805:50BOS - YTZ
2 stops5h 41mAir Canada
Wed 20/808:50YTZ - BOS
2 stops5h 45mAir Canada
Deal found 28/4£218
Wed 4/615:50BOS - YYZ
2 stops13h 48mPorter Airlines
Tue 17/609:10YYZ - BOS
2 stops8h 58mPorter Airlines
Deal found 27/4£220
Fri 4/709:00BOS - YYZ
1 stop8h 59mDelta
Fri 11/714:30YYZ - BOS
1 stop4h 05mDelta
Deal found 29/4£259
Sun 10/812:15BOS - YTZ
Nonstop1h 49mAir Transat
Sat 16/817:55YTZ - BOS
Nonstop1h 41mAir Transat
Deal found 28/4£351
Thu 2/1018:25BOS - YYZ
1 stop12h 27mWestJet
Sat 4/1006:15YYZ - BOS
1 stop4h 11mWestJet
Deal found 28/4£393

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 30 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

Tue 19/8

15:50-19:37

1 stop3h 47m

Toronto Island

Wed 20/8

12:00-18:08

1 stop6h 08m

£170

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 19/8

06:00-07:55

Nonstop1h 55m

Toronto Pearson Intl

Wed 20/8

07:35-18:08

2 stops10h 33m

£182

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 19/8

05:50-10:40

1 stop4h 50m

Toronto Pearson Intl

Wed 20/8

08:15-09:55

Nonstop1h 40m

£183

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 17/7

08:47-13:47

1 stop5h 00m

Toronto Pearson Intl

Thu 17/7

16:30-18:13

Nonstop1h 43m

£198

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 19/8

10:10-11:59

Nonstop1h 49m

Toronto Island

Wed 20/8

09:50-11:31

Nonstop1h 41m

£201

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 19/8

05:50-11:31

2 stops5h 41m

Toronto Island

Wed 20/8

08:50-14:35

2 stops5h 45m

£218

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 4/6

15:50-05:38

2 stops13h 48m

Toronto Pearson Intl

Tue 17/6

09:10-18:08

2 stops8h 58m

£220

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 4/7

09:00-17:59

1 stop8h 59m

Toronto Pearson Intl

Fri 11/7

14:30-18:35

1 stop4h 05m

£259

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sun 10/8

09:20-11:09

Nonstop1h 49m

Toronto Island

Wed 13/8

13:25-15:06

Nonstop1h 41m

£351

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 2/10

18:25-06:52

1 stop12h 27m

Toronto Pearson Intl

Sat 4/10

06:15-10:26

1 stop4h 11m

£393

Flights are sorted by cheapest return flights first.

Deals found on 28/4

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 25 April 2025.

Booking 75 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 30 April 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.

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 30 April 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
285 reviews
Check prices

Crew

8.8

Overall

8.0

Comfort

8.1

Boarding

8.2

Food

7.6

Entertainment

7.0

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

Overall

8.0

Comfort

8.1

Boarding

8.2

Food

7.6

Entertainment

7.0

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

Overall

8.0

Comfort

8.1

Boarding

8.2

Food

7.6

Entertainment

7.0

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

Overall

8.0

Comfort

8.1

Boarding

8.2

Food

7.6

Entertainment

7.0

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

Overall

8.0

Comfort

8.1

Boarding

8.2

Food

7.6

Entertainment

7.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
WestJet
7.2
Good
2,826 reviews
Porter Airlines
8.0
Very Good
285 reviews
Check prices

Crew

8.8

Overall

8.0

Comfort

8.1

Boarding

8.2

Food

7.6

Entertainment

7.0

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?

    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. 2 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 8 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 £170. Other airlines that can offer you cheap pricing are Air Canada, from £182, and United Airlines, from £198. Users have found that Porter Airlines is 30% 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 Porter Airlines (£79), United Airlines (£86), and Air Canada (£88).

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

    Consider Brussels Airlines (75%), Jazz (72%) or Air Canada (67%) when booking your flight. These represent the most reliable airlines when flying from Boston to Toronto.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Pierre Elliott Trudeau Intl flights
Boston to Pearson Intl flights

Top 2 airlines flying from Boston to Toronto

Discover the top 2 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 858,174 searches. Data last updated 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest£172Average£300FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapest£201Average£273FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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