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$119+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Wed 12/3111:05 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Fri 1/96:55 pmBOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 12/17$273
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Wed 12/3111:05 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Thu 1/83:30 pmBOS - YTZ
1 stop3h 38mPorter Airlines
Deal found 12/17$274
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Wed 12/3111:05 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Wed 1/79:00 amBOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 12/17$276
This Trip.com deal was found by Cheapflights users on 12/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:05 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Sat 1/33:30 pmBOS - YTZ
1 stop6h 33mPorter Airlines
Deal found 12/17$277
This FlightHub deal was found by Cheapflights users on 12/16. 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.
Sun 12/288:00 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Fri 1/23:30 pmBOS - YTZ
1 stop6h 33mPorter Airlines
Deal found 12/16$301
This FlightHub deal was found by Cheapflights users on 12/15. 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.
Fri 12/268:00 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Tue 12/303:40 pmBOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 12/15$302
This FlightHub deal was found by Cheapflights users on 12/15. 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.
Fri 12/268:30 pmYTZ - BOS
Nonstop1h 35mPorter Airlines
Fri 1/27:05 amBOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 12/15$304
This FlightHub deal was found by Cheapflights users on 12/16. 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.
Tue 12/308:00 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 1/47:05 amBOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 12/16$308
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/308:00 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Mon 1/129:00 amBOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 12/17$311
This Porter Airlines deal was found by Cheapflights users on 12/17. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:05 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 1/113:30 pmBOS - YTZ
1 stop6h 33mPorter Airlines
Deal found 12/17$314
This Air Canada deal was found by Cheapflights users on 12/17. 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.
Tue 12/308:55 pmYYZ - BOS
Nonstop1h 42mAir Canada
Fri 1/26:15 amBOS - YYZ
Nonstop2h 02mAir Canada
Deal found 12/17$328
This Air Canada deal was found by Cheapflights users on 12/15. 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.
Thu 12/2510:30 amYYZ - BOS
Nonstop1h 42mAir Canada
Mon 1/56:15 amBOS - YYZ
Nonstop2h 02mAir Canada
Deal found 12/15$338

Find flight deals from Ontario to Boston

Keep the following information in mind while searching for Ontario to Boston flight deals. Data was last updated December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$215
(Super.com)

One-way from

$119
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$297

Good round-trip deal

$215 or less

Good one-way deal

$130 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.
Search Deals
From Ontario to Boston Logan Intl
Search Deals
One-way flight from Ontario to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Ontario to Boston Logan Intl.
Search Deals

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 December 18, 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

Fri 1/16

7:35 am-6:10 pm

2 stops10h 35m

Boston Logan Intl

Mon 1/19

3:30 pm-10:03 pm

1 stop6h 33m

$226

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 1/15

6:55 pm-8:30 pm

Nonstop1h 35m

Boston Logan Intl

Sun 1/18

3:30 pm-10:03 pm

1 stop6h 33m

$227

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 1/30

7:10 am-11:19 pm

1 stop16h 09m

Boston Logan Intl

Fri 2/6

5:34 am-2:40 pm

1 stop9h 06m

$233

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 3/6

2:05 pm-6:10 pm

1 stop4h 05m

Boston Logan Intl

Sun 3/8

6:55 pm-8:54 pm

Nonstop1h 59m

$233

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 1/17

7:40 am-11:57 pm

1 stop16h 17m

Boston Logan Intl

Sun 1/18

12:10 pm-2:20 pm

1 stop26h 10m

$237

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 1/15

7:10 am-11:19 pm

1 stop16h 09m

Boston Logan Intl

Mon 1/19

5:27 pm-11:20 pm

1 stop29h 53m

$239

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 1/15

7:10 am-11:19 pm

1 stop16h 09m

Boston Logan Intl

Sun 1/18

12:10 pm-2:20 pm

1 stop26h 10m

$247

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 3/26

9:30 am-11:05 am

Nonstop1h 35m

Boston Logan Intl

Sun 3/29

11:50 am-1:49 pm

Nonstop1h 59m

$249

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 1/17

4:20 pm-6:02 pm

Nonstop1h 42m

Boston Logan Intl

Sun 1/18

4:35 pm-6:42 pm

Nonstop2h 07m

$255

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Mon 1/12

4:40 pm-6:10 pm

Nonstop1h 30m

Boston Logan Intl

Mon 1/19

1:30 pm-5:29 pm

1 stop3h 59m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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, December is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of $124). Flying from Region of Ontario to Boston in February is currently the most expensive (average of $213). 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 December 18, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 40% on flights from Region of Ontario to Boston by exploring options for tickets at noon.

What is the cheapest day to fly from Region of Ontario to Boston?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Boston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Region of Ontario to Boston flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.

The most flights from CAON to BOS are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 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 42m. Fly via Porter Airlines or Air Canada to get the fastest option. Region of Ontario and Boston are separated by a distance of 444 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 $116. Air Canada flights start at $127 while deals on Air Transat start at $140 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 (70%), Air Canada (68%), Brussels Airlines (67%).

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

    While on average a flight from Region of Ontario to Boston is generally $1,452, our data shows the cheapest flight currently is $117. When looking at the most popular route, (Toronto Pearson Intl - Boston Logan Intl), you can expect to pay $216 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, December is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of $124). Flying from Region of Ontario to Boston in February is currently the most expensive (average of $213). 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
Brockton
Cranston
Lincoln
Lowell
Smithfield
Peabody
Quincy
York Beach
Warwick
Londonderry
Swansea
Old Orchard Beach
Waltham
Chelsea

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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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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$180Average$311FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$192Average$309FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$213Average$389FlexibilityNo cancel feeOn-time69%

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