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Cheap flights from Toronto to Boston from £106

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — BOS
3 Apr — 10 Apr1
1 adult

Cheapflights Tip: The best prices from Toronto to Boston Logan Intl are usually found in May or July, booked 83 days in advance, depart on a Thursday or Friday and return on a Sunday

Cheap flight deals from Toronto to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to Boston (BOS). 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 March 2025.

Round-trip from

£169

One-way from

£106

Popular in

April

Cheapest in

May

Average price

£222

Good one-way deal

£179 or less
Porter Airlines
  • Porter Airlines
  • 30/4-4/5
  • Nonstop
  • 3h 29m total
  • Toronto to Boston
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Air Canada
  • Air Canada
  • 17/9
  • 1 total stop
  • 4h 06m total
  • Toronto to Boston
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Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).
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Cheapest flight prices on average. 0% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a one-way flight from Toronto (YTO) to Boston Logan Intl.
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Find flight deals from Toronto to Boston

Cheapest flights from Toronto to Boston
Explore the most affordable flight options available from Toronto to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 March 2025.

Wed 30/411:40YTZ - BOS
Nonstop1h 40mPorter Airlines
Sun 4/509:45BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 28/3£169
Sat 12/418:13YYZ - BOS
1 stop4h 18mDelta
Tue 15/406:00BOS - YYZ
1 stop7h 04mDelta
Deal found 28/3£180
Wed 30/406:25YYZ - BOS
1 stop3h 42mAir Canada
Sun 4/506:00BOS - YYZ
2 stops5h 07mAir Canada
Deal found 28/3£192
Sat 19/407:30YYZ - BOS
1 stop5h 39mUnited Airlines
Mon 28/419:55BOS - YYZ
Nonstop2h 01mUnited Airlines
Deal found 29/3£209
Fri 25/406:15YYZ - BOS
1 stop4h 03mMultiple Airlines
Sun 27/406:10BOS - YYZ
Nonstop2h 01mMultiple Airlines
Deal found 28/3£212
Sat 19/413:45YTZ - BOS
Nonstop1h 40mAir Transat
Fri 25/410:20BOS - YTZ
Nonstop1h 59mAir Transat
Deal found 28/3£250
Mon 12/507:35YYZ - BOS
2 stops10h 33mPorter Airlines
Mon 19/509:45BOS - YYZ
1 stop5h 43mPorter Airlines
Deal found 28/3£260
Sun 27/415:00YTZ - BOS
2 stops16h 40mMultiple Airlines
Sun 4/515:20BOS - YTZ
1 stop4h 30mMultiple Airlines
Deal found 28/3£295
Sun 27/408:50YTZ - BOS
2 stops6h 07mAir Canada
Sun 4/506:00BOS - YTZ
2 stops5h 32mAir Canada
Deal found 28/3£626

Cheapflights Fare Finder

Customise your flight search to find flights from Toronto to Boston 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 29 March 2025.
Use the filters below to find and compare flights from Toronto to Boston that are best for you.

Fly from

Toronto

Fly to

Boston

Route

Depart

Return

Price

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 30/4

11:40-13:20

Nonstop1h 40m

Boston Logan Intl

Sun 4/5

09:45-11:34

Nonstop1h 49m

£169

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 12/4

18:13-22:31

1 stop4h 18m

Boston Logan Intl

Tue 15/4

06:00-13:04

1 stop7h 04m

£180

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Wed 30/4

06:25-10:07

1 stop3h 42m

Boston Logan Intl

Sun 4/5

06:00-11:07

2 stops5h 07m

£192

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 19/4

07:30-13:09

1 stop5h 39m

Boston Logan Intl

Mon 28/4

19:55-21:56

Nonstop2h 01m

£209

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 3/7

20:55-22:38

Nonstop1h 43m

Boston Logan Intl

Sun 6/7

05:50-11:40

1 stop5h 50m

£226

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 19/4

13:45-15:25

Nonstop1h 40m

Boston Logan Intl

Fri 25/4

10:20-12:19

Nonstop1h 59m

£250

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Mon 12/5

07:35-18:08

2 stops10h 33m

Boston Logan Intl

Mon 19/5

09:45-15:28

1 stop5h 43m

£260

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sun 27/4

15:00-07:40

2 stops16h 40m

Boston Logan Intl

Sun 4/5

15:20-19:50

1 stop4h 30m

£295

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Tue 22/4

16:45-07:55

1 stop15h 10m

Boston Logan Intl

Wed 23/4

17:20-15:00

1 stop21h 40m

£521

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Mon 12/5

06:30-17:40

1 stop11h 10m

Boston Logan Intl

Sun 18/5

18:25-06:12

1 stop11h 47m

£528

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 17 results
1
2

Best time to book a flight from Toronto to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Toronto 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 Toronto to Boston

How far ahead should I book a flight from Toronto to Boston?

Use this chart to determine the optimal time to book a return flight from Toronto to Boston. Price data was last updated on 21 March 2025.

To ensure you get the cheapest price possible for a flight from Toronto to Boston, you should look to book at least 83 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 Toronto to Boston?

Currently, October is the cheapest month in which you can book a flight from Toronto to Boston (average of £10). Flying from Toronto to Boston in July is currently the most expensive (average of £724). 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 YTO to BOS?

Find hourly flight availability from Toronto to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 March 2025.

It’s optimal to fly from Toronto to Boston in the morning. By choosing this option you can save up to 76% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from Toronto to Boston

Explore weekly flight availability from Toronto to Boston. 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 March 2025.

The most flights from YTO to BOS are scheduled on a Friday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Boston by month

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

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

Temperature in Boston by month

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

If weather is an important factor for your trip to Boston, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated 29 March 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Porter Airlines from Toronto to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
9,797 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very Good
9,797 reviews
Alaska Airlines
8.0
Very Good
9,797 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very Good
7,895 reviews
Alaska Airlines
8.0
Very Good
9,797 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Porter Airlines
7.9
Good
277 reviews
Alaska Airlines
8.0
Very Good
9,797 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Air Transat
7.8
Good
381 reviews
Alaska Airlines
8.0
Very Good
9,797 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,609 reviews
Alaska Airlines
8.0
Very Good
9,797 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Toronto to Boston. 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 into for flights to Boston from Toronto?

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Toronto. On average, Logan Intl has 13 inbound flights from Toronto per day from 0 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

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

    Our cheapest airline available from Toronto to Boston is Porter Airlines. Our recent data shows that you can find tickets from as low as £169 on this airline. Additional options worth looking into are Delta and Air Canada, starting at £180 and £192 round-trip. Porter Airlines is currently priced 23% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as £106. Users have also found prices from £107 and £133 on Porter Airlines and United Airlines, respectively.

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

    The top 3 most reliable airlines when flying from Toronto to Boston are TAP AIR PORTUGAL (62%), Jazz (62%) and United Airlines (60%).

  • What are the cheapest flights from Toronto to Boston?

    Looking at all options, your cheapest flight can be booked for £114. While the most popular route (Toronto Pearson Intl - Boston Logan Intl) can be booked for £203 on average our data indicates £199 when flying from Toronto to Boston.

  • Can I find deals for flights from Toronto to Boston that include hotel bookings?

    Yes. In addition to deals on Toronto to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Toronto to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to Boston.

  • Can I find deals for business class flights from Toronto to Boston?

    Yes. Cheapflights offers flight deals from Toronto to Boston 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 Toronto to Boston?

    Currently, October is the cheapest month in which you can book a flight from Toronto to Boston (average of £10). Flying from Toronto to Boston in July is currently the most expensive (average of £724). 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

Travelling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Cambridge
Somerville
Quincy
Chelmsford
Chelsea
Burlington
Kittery

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Alternative routes for Toronto to Boston

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

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

Need flexible booking options for your flight to Boston from Toronto? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Toronto to Boston become cheaper?

Yes! Start tracking prices for Toronto to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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