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$122+ Cheap flights from Ontario to Boston (BOS)

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Ontario to Boston

Keep the following information in mind while searching for Ontario to Boston flight deals. Data was last updated April 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$205
(Kiwi.com)

One-way from

$122
(Kiwi.com)

Popular in

April

Cheapest in

March

Average price

$330

Good round-trip deal

$225 or less

Good one-way deal

$143 or less
Provider with most accurate pricing for Toronto (YTO)-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Boston Logan Intl flights.
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From Ontario to Boston Logan Intl
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One-way flight from Ontario to Boston Logan Intl
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($5 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 Ontario to Boston Logan Intl.
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Price to beat on a one-way flight from Ontario to Boston Logan Intl.
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Find flight deals from Ontario to Boston

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

This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1312:00 pmYTZ - BOS
1 stop6h 08mPorter Airlines
Thu 5/1511:05 amBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 4/28$205
This Booking.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/308:15 amYYZ - BOS
Nonstop1h 40mAir Canada
Sun 6/16:00 amBOS - YYZ
Nonstop1h 54mAir Canada
Deal found 4/28$217
This Gotogate deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/158:25 amYTZ - BOS
1 stop6h 07mAir Canada
Sun 5/185:50 amBOS - YTZ
1 stop5h 57mAir Canada
Deal found 4/28$224
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/57:00 amYUL - BOS
1 stop4h 31mPorter Airlines
Sun 6/89:20 amBOS - YUL
1 stop6h 40mPorter Airlines
Deal found 4/28$228
This Cheapflightsfares deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/219:10 amYYZ - BOS
2 stops8h 58mPorter Airlines
Mon 7/288:45 amBOS - YYZ
1 stop3h 43mPorter Airlines
Deal found 4/28$231
This Flightnetwork deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/61:25 pmYTZ - BOS
Nonstop1h 41mAir Transat
Fri 6/136:55 pmBOS - YTZ
Nonstop1h 49mAir Transat
Deal found 4/28$243
This Kissandfly.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/158:55 pmYYZ - BOS
Nonstop1h 43mLufthansa
Sun 5/1810:40 amBOS - YYZ
Nonstop1h 54mLufthansa
Deal found 4/28$245
This flugladen.de deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:45 amYYZ - BOS
1 stop3h 38mMultiple Airlines
Sun 5/186:00 amBOS - YYZ
Nonstop1h 54mMultiple Airlines
Deal found 4/28$252
This Air Canada deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/281:05 pmYUL - BOS
Nonstop1h 27mAir Canada
Sun 6/85:50 amBOS - YUL
Nonstop1h 25mAir Canada
Deal found 4/28$254
This Gotogate deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/241:25 pmYTZ - BOS
Nonstop1h 41mMultiple Airlines
Fri 6/68:20 pmBOS - YTZ
Nonstop1h 49mMultiple Airlines
Deal found 4/28$255
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/610:45 amYYZ - BOS
1 stop4h 40mUnited Airlines
Sun 6/86:05 amBOS - YYZ
1 stop4h 41mUnited Airlines
Deal found 4/27$262
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/288:10 amYUL - BOS
Nonstop1h 25mUnited Airlines
Sun 6/89:00 amBOS - YUL
1 stop4h 09mUnited Airlines
Deal found 4/28$264

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario 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 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Ontario to Boston that are best for you.

Fly from

Ontario

Fly to

Boston

Route

Depart

Return

Price

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Tue 5/13

12:00 pm-6:08 pm

1 stop6h 08m

Boston Logan Intl

Thu 5/15

11:05 am-12:54 pm

Nonstop1h 49m

$205

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 5/30

8:15 am-9:55 am

Nonstop1h 40m

Boston Logan Intl

Sun 6/1

6:00 am-7:54 am

Nonstop1h 54m

$217

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 5/15

8:25 am-2:32 pm

1 stop6h 07m

Boston Logan Intl

Sun 5/18

5:50 am-11:47 am

1 stop5h 57m

$224

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 6/5

7:00 am-11:31 am

1 stop4h 31m

Boston Logan Intl

Sun 6/8

9:20 am-4:00 pm

1 stop6h 40m

$228

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Mon 7/21

9:10 am-6:08 pm

2 stops8h 58m

Boston Logan Intl

Mon 7/28

8:45 am-12:28 pm

1 stop3h 43m

$231

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 6/6

1:25 pm-3:06 pm

Nonstop1h 41m

Boston Logan Intl

Fri 6/13

6:55 pm-8:44 pm

Nonstop1h 49m

$243

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 5/15

8:55 pm-10:38 pm

Nonstop1h 43m

Boston Logan Intl

Sun 5/18

10:40 am-12:34 pm

Nonstop1h 54m

$245

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 5/15

6:45 am-10:23 am

1 stop3h 38m

Boston Logan Intl

Sun 5/18

6:00 am-7:54 am

Nonstop1h 54m

$252

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 5/24

1:25 pm-3:06 pm

Nonstop1h 41m

Boston Logan Intl

Fri 6/6

8:20 pm-10:09 pm

Nonstop1h 49m

$255

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 6/6

10:45 am-3:25 pm

1 stop4h 40m

Boston Logan Intl

Sun 6/8

6:05 am-10:46 am

1 stop4h 41m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Boston

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

What is the cheapest month to book a flight from Region of Ontario to Boston?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of $218). Flying from Region of Ontario to Boston in July is currently the most expensive (average of $311). 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 ON to BOS?

Find hourly flight availability from Ontario 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 April 29, 2025.

When flying from Region of Ontario to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 29, 2025.
See what other customers who have flown with Porter Airlines, Delta and Air Transat from Ontario to Boston have to say. 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

Overall

8.0

Crew

8.8

Food

7.6

Boarding

8.2

Comfort

8.1

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

Overall

8.0

Crew

8.8

Food

7.6

Boarding

8.2

Comfort

8.1

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
7,936 reviews
Porter Airlines
8.0
Very good
285 reviews

Overall

8.0

Crew

8.8

Food

7.6

Boarding

8.2

Comfort

8.1

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

Overall

8.0

Crew

8.8

Food

7.6

Boarding

8.2

Comfort

8.1

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
SWISS
7.5
Good
1,588 reviews
Porter Airlines
8.0
Very good
285 reviews

Overall

8.0

Crew

8.8

Food

7.6

Boarding

8.2

Comfort

8.1

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

Overall

8.0

Crew

8.8

Food

7.6

Boarding

8.2

Comfort

8.1

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 Ontario 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 Ontario?

    Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Boston from Ontario.

  • What are the cheapest airlines to fly from Region of Ontario to Boston one-way?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at $122. Air Canada flights start at $139 while deals on Air Transat start at $152 one-way.

  • What are the most popular routes from Region of Ontario to Boston?

    While some choose either Toronto Island - Boston Logan Intl or Montreal Pierre Elliott Trudeau Intl - Boston Logan Intl, Toronto Pearson Intl - Boston Logan Intl is the most popular route from Region of Ontario to Boston.

  • What are the most reliable airlines from Region of Ontario to Boston?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Region of Ontario to Boston on time: Jazz (64%), United Airlines (60%), Air Canada (60%).

  • What are the cheapest flights from Region of Ontario to Boston?

    While on average a flight from Region of Ontario to Boston is generally $315, our data shows the cheapest flight currently is $131. When looking at the most popular route, (Toronto Pearson Intl - Boston Logan Intl), you can expect to pay $231 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario 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 Region of Ontario to Boston?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of $218). Flying from Region of Ontario to Boston in July is currently the most expensive (average of $311). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Marlborough
Warwick
Cambridge
Waltham
Framingham
Chestnut Hill
Randolph
Brockton
Lowell
Woburn
Somerville
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Lincoln
Salem
Chelsea
Seabrook

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Alternative routes for Ontario to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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Pierre Elliott Trudeau Intl to Nantucket flights
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Halifax to Hartford flights
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Top 5 airlines flying from Ontario to Boston

Discover the top 5 airlines that operate flights from Ontario to Boston. 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 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$200Average$338FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$214Average$315FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$219Average$327FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$239Average$393FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$310Average$591FlexibilityNo cancel feeOn-time71%

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