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$124+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
oct. 11 — oct. 181
sam. 10/11
sam. 10/18
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 septembre 11, 2025.

Round-trip from

$197
(SmartFares)

One-way from

$124
(Gotogate)

Popular in

December

Cheapest in

March

Average price

$263

Good round-trip deal

$219 or less

Good one-way deal

$160 or less
From Ontario to Boston Logan Intl
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One-way flight from Ontario to Boston Logan Intl
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Highest demand for flights based on searches. 6% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septembre 11, 2025.

This SmartFares deal was found by Cheapflights users on 9/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/38:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
dim. 10/59:20 amBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 9/11$197
This Air Canada deal was found by Cheapflights users on 9/10. 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.
sam. 11/2910:30 amYYZ - BOS
Nonstop1h 42mAir Canada
lun. 12/15:30 amBOS - YYZ
1 stop6h 10mAir Canada
Deal found 9/10$198
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/128:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
mer. 10/1510:10 amBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 9/10$199
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
mer. 10/18:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
mar. 10/1412:15 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 9/10$200
This Flightnetwork deal was found by Cheapflights users on 9/9. 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.
ven. 12/511:00 amYYZ - BOS
1 stop3h 52mAir Canada
dim. 12/75:30 amBOS - YYZ
2 stops6h 10mAir Canada
Deal found 9/9$200
This Air Canada deal was found by Cheapflights users on 9/10. 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.
ven. 10/245:25 pmYTZ - BOS
1 stop4h 01mAir Canada
lun. 10/275:30 amBOS - YTZ
1 stop6h 25mAir Canada
Deal found 9/10$201
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/28:00 amYYZ - BOS
1 stop6h 30mAir Canada
dim. 10/56:00 amBOS - YYZ
1 stop4h 39mAir Canada
Deal found 9/9$201
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
sam. 10/45:55 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
mer. 10/1512:15 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 9/10$202
This Air Canada deal was found by Cheapflights users on 9/9. 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.
jeu. 10/28:55 pmYYZ - BOS
Nonstop1h 44mAir Canada
lun. 10/66:00 amBOS - YYZ
Nonstop1h 56mAir Canada
Deal found 9/9$202
This SmartFares deal was found by Cheapflights users on 9/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/103:10 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
mer. 10/1510:10 amBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 9/9$203
This Air Canada deal was found by Cheapflights users on 9/9. 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.
mer. 10/152:15 pmYYZ - BOS
Nonstop1h 44mAir Canada
mar. 10/216:00 amBOS - YYZ
Nonstop1h 56mAir Canada
Deal found 9/9$203
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
mar. 10/78:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
jeu. 10/237:15 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 9/11$204

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 septembre 11, 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

ven. 10/3

8:20 pm-10:01 pm

Nonstop1h 41m

Boston Logan Intl

dim. 10/5

9:20 am-11:09 am

Nonstop1h 49m

$197

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

jeu. 10/9

9:50 am-11:31 am

Nonstop1h 41m

Boston Logan Intl

sam. 10/25

6:45 pm-8:34 pm

Nonstop1h 49m

$204

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

sam. 10/25

12:25 pm-5:55 pm

1 stop5h 30m

Boston Logan Intl

ven. 10/31

10:20 am-12:19 pm

Nonstop1h 59m

$205

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

lun. 10/27

3:30 pm-9:27 pm

1 stop5h 57m

Boston Logan Intl

jeu. 10/30

5:30 am-9:55 am

1 stop4h 25m

$207

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

jeu. 9/25

1:00 pm-2:41 pm

Nonstop1h 41m

Boston Logan Intl

sam. 9/27

12:15 pm-2:04 pm

Nonstop1h 49m

$207

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

mar. 9/23

9:50 am-11:31 am

Nonstop1h 41m

Boston Logan Intl

ven. 9/26

8:45 am-10:34 am

Nonstop1h 49m

$207

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

ven. 11/7

7:45 am-6:10 pm

2 stops10h 25m

Boston Logan Intl

dim. 11/9

10:20 am-12:19 pm

Nonstop1h 59m

$208

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

mar. 11/11

8:50 am-2:52 pm

2 stops6h 02m

Boston Logan Intl

jeu. 11/13

10:15 am-2:55 pm

1 stop4h 40m

$211

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

jeu. 10/2

9:00 am-6:28 pm

2 stops9h 28m

Boston Logan Intl

dim. 10/5

9:20 am-11:09 am

Nonstop1h 49m

$211

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

ven. 10/10

3:10 pm-4:51 pm

Nonstop1h 41m

Boston Logan Intl

mar. 10/14

12:15 pm-2:04 pm

Nonstop1h 49m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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 septembre 11, 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.

Weekly flight availability from Region of Ontario to Boston

Explore weekly flight availability from Ontario 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 septembre 11, 2025.

The most flights from CAON to BOS are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

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.

  • How long is the flight from Region of Ontario to Boston?

    There are many flights that can get you from Region of Ontario to Boston in 1h 41m. Fly via Porter Airlines, Air Canada, or United Airlines to get the fastest option. Region of Ontario and Boston are separated by a distance of 432 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $124. Air Canada flights start at $124 while deals on WestJet start at $139 one-way.

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

    While some choose either Montreal Pierre Elliott Trudeau Intl - Boston Logan Intl or Toronto Island - 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 (74%), Air Canada (64%), Brussels Airlines (54%).

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

    While on average a flight from Region of Ontario to Boston is generally $1,180, our data shows the cheapest flight currently is $115. When looking at the most popular route, (Toronto Pearson Intl - Boston Logan Intl), you can expect to pay $215 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Chelsea
Warwick
Peabody
Quincy
York Beach
Swansea
Waltham
Saugus
Burlington

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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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Pearson Intl to Nantucket flights
Pierre Elliott Trudeau Intl to Nantucket flights

Top 3 airlines flying from Ontario to Boston

Discover the top 3 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 septembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$188Average$321FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$196Average$320FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$213Average$390FlexibilityNo cancel feeOn-time69%

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