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$132+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
Jul 31 — Aug 71
Fri 7/31
Fri 8/7
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 July 1, 2026.

This Trip.com deal was found by Cheapflights users on 6/30. 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.
Tue 7/143:05 pm
YTZ
-
BOS
Nonstop1h 39m
Porter Airlines
Thu 7/167:10 am
BOS
-
YTZ
Nonstop1h 49m
Porter Airlines
Deal found 6/30$203
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 10/14:55 pm
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Sun 10/410:05 am
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Deal found 6/30$203
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Sat 7/253:05 pm
YTZ
-
BOS
Nonstop1h 39m
Porter Airlines
Fri 7/314:45 pm
BOS
-
YTZ
1 stop5h 33m
Porter Airlines
Deal found 6/29$204
This Kissandfly.com deal was found by Cheapflights users on 6/30. 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 7/238:10 am
YYZ
-
BOS
Nonstop1h 43m
Air Canada
Sun 7/266:00 am
BOS
-
YYZ
Nonstop1h 55m
Air Canada
Deal found 6/30$204
This Mytrip deal was found by Cheapflights users on 6/29. 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.
Thu 7/238:30 am
YTZ
-
BOS
1 stop6h 11m
Air Canada
Mon 7/275:45 am
BOS
-
YTZ
2 stops5h 10m
Air Canada
Deal found 6/29$205
This FlightHub deal was found by Cheapflights users on 6/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 pm
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Wed 10/143:55 pm
BOS
-
YTZ
1 stop4h 23m
Porter Airlines
Deal found 6/27$206
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 9/304:55 pm
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Wed 10/77:30 pm
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Deal found 6/30$206
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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.
Thu 7/167:25 am
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Fri 7/177:45 pm
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Deal found 7/1$207
This Air Canada deal was found by Cheapflights users on 6/28. 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.
Tue 8/115:30 pm
YTZ
-
BOS
1 stop3h 57m
Air Canada
Thu 8/209:35 am
BOS
-
YTZ
Nonstop1h 59m
Air Canada
Deal found 6/28$208
This Porter Airlines deal was found by Cheapflights users on 6/30. 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.
Sun 7/267:25 am
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Mon 8/107:45 pm
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Deal found 6/30$208
This Kissandfly.com deal was found by Cheapflights users on 6/30. 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 7/167:20 pm
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Sun 7/194:45 pm
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Deal found 6/30$208
This Jettzy deal was found by Cheapflights users on 6/29. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:50 am
YTZ
-
BOS
Nonstop1h 39m
Multiple Airlines
Fri 7/242:45 pm
BOS
-
YTZ
Nonstop1h 59m
Multiple Airlines
Deal found 6/29$210

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 July 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$203
(Mytrip)

One-way from

$132
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$248

Good round-trip deal

$210 or less

Good one-way deal

$130 or less
Provider with most accurate pricing for Toronto (YTO)-Boston Logan Intl flight deals.
Search Deals
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. 11% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 1, 2026.
Use the filters below to find and compare flights from Ontario to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 7/23

10:35 am-4:44 pm

1 stop6h 09m

Boston Logan Intl

Mon 7/27

7:10 am-12:10 pm

1 stop5h 00m

$213

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sun 8/30

7:20 pm-8:55 pm

Nonstop1h 35m

Boston Logan Intl

Wed 9/2

4:45 pm-6:15 pm

Nonstop1h 30m

$213

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Wed 9/23

11:00 am-4:27 pm

1 stop5h 27m

Boston Logan Intl

Fri 9/25

5:50 am-10:33 am

1 stop4h 43m

$228

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Tue 7/28

7:30 am-1:16 pm

1 stop5h 46m

Boston Logan Intl

Sat 8/1

7:15 pm-9:10 pm

Nonstop1h 55m

$228

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Tue 7/21

10:35 am-2:54 pm

1 stop4h 19m

Boston Logan Intl

Tue 7/28

4:45 pm-6:15 pm

Nonstop1h 30m

$228

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 7/24

6:10 pm-7:49 pm

Nonstop1h 39m

Boston Logan Intl

Mon 7/27

4:45 pm-10:18 pm

1 stop5h 33m

$231

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 7/11

3:05 pm-4:44 pm

Nonstop1h 39m

Boston Logan Intl

Sun 7/19

7:10 am-8:59 am

Nonstop1h 49m

$231

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 8/22

7:25 am-9:05 am

Nonstop1h 40m

Boston Logan Intl

Wed 9/2

3:55 pm-10:04 pm

1 stop6h 09m

$233

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 8/5

1:35 pm-3:15 pm

Nonstop1h 40m

Boston Logan Intl

Sun 8/9

7:10 am-8:57 am

Nonstop1h 47m

$234

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sun 7/26

7:25 am-9:05 am

Nonstop1h 40m

Boston Logan Intl

Tue 7/28

3:35 pm-10:04 pm

1 stop6h 29m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of $82). Flying from Region of Ontario to Boston in November is currently the most expensive (average of $910). 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 July 1, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 54% on flights from Region of Ontario to Boston by exploring options for tickets in the morning.

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 July 1, 2026.

The most flights from CAON to BOS are scheduled on a Tuesday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Region of Ontario to Boston?

How far ahead should I book a flight from Region of Ontario to Boston?

The price you pay for your flight from Region of Ontario to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 August 31, 2025.

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. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 6h 09m. Fly via Porter Airlines, Delta, or Air Canada to get the fastest option. Region of Ontario and Boston are separated by a distance of 253 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 $124 while deals on Air Transat start at $147 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: Air Canada (75%), Jazz (74%), American Airlines (70%).

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

    While on average a flight from Region of Ontario to Boston is generally $558, our data shows the cheapest flight currently is $132. When looking at the most popular route, (Toronto Pearson Intl - Boston Logan Intl), you can expect to pay $178 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, February is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of $82). Flying from Region of Ontario to Boston in November is currently the most expensive (average of $910). 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
Waltham
Cambridge
Concord
Brockton
Hampton Beach
Seekonk
Cranston
Warwick
Peabody
Auburn
Fitchburg
York Beach
Chelsea
Londonderry
Dedham
Swansea
North Falmouth
Lowell
Smithfield
Braintree

Browse thousands of different options on Cheapflights for your next trip

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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 July 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$180Average$299FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$196Average$324FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$213Average$509FlexibilityNo cancel feeOn-time69%

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