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$126+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
août 3 — août 101
dim. 8/3
dim. 8/10
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 juillet 29, 2025.

Round-trip from

$206
(SmartFares)

One-way from

$126
(SmartFares)

Popular in

December

Cheapest in

March

Average price

$275

Good round-trip deal

$207 or less

Good one-way deal

$146 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 ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in July 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 juillet 29, 2025.

This SmartFares deal was found by Cheapflights users on 7/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/213:00 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
lun. 8/257:15 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 7/27$206
This Booking.com deal was found by Cheapflights users on 7/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/168:25 amYTZ - BOS
1 stop6h 05mAir Canada
dim. 10/196:00 amBOS - YTZ
1 stop5h 45mAir Canada
Deal found 7/27$209
This Booking.com deal was found by Cheapflights users on 7/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/169:45 amYYZ - BOS
Nonstop1h 44mAir Canada
dim. 10/1910:40 amBOS - YYZ
Nonstop1h 55mAir Canada
Deal found 7/27$211
This SmartFares deal was found by Cheapflights users on 7/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/223:10 pmYTZ - BOS
Nonstop1h 41mAir Transat
mar. 9/3012:15 pmBOS - YTZ
Nonstop1h 49mAir Transat
Deal found 7/27$234
This United Airlines deal was found by Cheapflights users on 7/27. 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.
ven. 9/59:00 pmYYZ - BOS
1 stop12h 56mUnited Airlines
sam. 9/61:00 pmBOS - YYZ
1 stop6h 05mUnited Airlines
Deal found 7/27$255
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/36:15 amYYZ - BOS
1 stop4h 13mDelta
jeu. 9/116:05 amBOS - YYZ
1 stop5h 14mDelta
Deal found 7/27$260
This FlightHub deal was found by Cheapflights users on 7/27. 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.
ven. 10/37:40 amYYZ - BOS
2 stops10h 48mPorter Airlines
lun. 10/63:30 pmBOS - YYZ
2 stops14h 19mPorter Airlines
Deal found 7/27$264
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/27:35 amYYZ - BOS
1 stop5h 55mAmerican Airlines
mer. 9/109:17 amBOS - YYZ
1 stop7h 16mAmerican Airlines
Deal found 7/28$270
This Booking.com deal was found by Cheapflights users on 7/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/45:00 pmYOW - BOS
Nonstop1h 28mPorter Airlines
lun. 9/83:30 pmBOS - YOW
Nonstop1h 28mPorter Airlines
Deal found 7/27$281
This Booking.com deal was found by Cheapflights users on 7/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/288:05 amYUL - BOS
Nonstop1h 25mAir Canada
dim. 8/316:00 amBOS - YUL
2 stops9h 19mAir Canada
Deal found 7/27$285
This FlightHub deal was found by Cheapflights users on 7/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/2810:45 amYUL - BOS
1 stop3h 56mPorter Airlines
dim. 9/79:20 amBOS - YUL
1 stop4h 25mPorter Airlines
Deal found 7/28$286
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/49:40 amYUL - BOS
2 stops6h 19mMultiple Airlines
dim. 9/79:20 amBOS - YUL
1 stop6h 40mMultiple Airlines
Deal found 7/28$295

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 juillet 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

jeu. 8/21

3:00 pm-4:41 pm

Nonstop1h 41m

Boston Logan Intl

lun. 8/25

7:15 pm-9:04 pm

Nonstop1h 49m

$206

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

jeu. 10/16

8:25 am-2:30 pm

1 stop6h 05m

Boston Logan Intl

dim. 10/19

6:00 am-11:45 am

1 stop5h 45m

$209

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

jeu. 9/4

4:30 pm-9:55 pm

1 stop5h 25m

Boston Logan Intl

sam. 9/6

6:00 am-10:39 am

1 stop4h 39m

$210

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

lun. 8/18

7:50 pm-9:31 pm

Nonstop1h 41m

Boston Logan Intl

lun. 8/25

8:45 am-10:34 am

Nonstop1h 49m

$240

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

ven. 9/5

9:00 pm-9:56 am

1 stop12h 56m

Boston Logan Intl

sam. 9/6

1:00 pm-7:05 pm

1 stop6h 05m

$255

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

mer. 9/3

6:15 am-10:28 am

1 stop4h 13m

Boston Logan Intl

jeu. 9/11

6:05 am-11:19 am

1 stop5h 14m

$260

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

ven. 10/3

7:40 am-6:28 pm

2 stops10h 48m

Boston Logan Intl

lun. 10/6

3:30 pm-5:49 am

2 stops14h 19m

$264

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

jeu. 9/4

5:00 pm-6:28 pm

Nonstop1h 28m

Boston Logan Intl

lun. 9/8

3:30 pm-4:58 pm

Nonstop1h 28m

$281

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

jeu. 8/28

8:05 am-9:30 am

Nonstop1h 25m

Boston Logan Intl

dim. 8/31

6:00 am-3:19 pm

2 stops9h 19m

$285

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

jeu. 8/28

10:45 am-2:41 pm

1 stop3h 56m

Boston Logan Intl

dim. 9/7

9:20 am-1:45 pm

1 stop4h 25m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 56 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 juillet 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.

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 juillet 29, 2025.

The most flights from CAON to BOS are scheduled on a Friday (16 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (14 on average).

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 juillet 29, 2025.
See what other customers who have flown with Porter Airlines, Delta, and Air Transat from Ontario to Boston have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
317 reviews

Food

7.6

Comfort

8.0

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
317 reviews
Porter Airlines
8.0
Very good
317 reviews

Food

7.6

Comfort

8.0

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,979 reviews
Porter Airlines
8.0
Very good
317 reviews

Food

7.6

Comfort

8.0

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very good
317 reviews

Food

7.6

Comfort

8.0

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,896 reviews
Porter Airlines
8.0
Very good
317 reviews

Food

7.6

Comfort

8.0

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
317 reviews

Food

7.6

Comfort

8.0

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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 $126. Air Canada flights start at $130 while deals on Air Transat start at $144 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: United Airlines (60%), Air Canada (55%), Emirates (52%).

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

    While on average a flight from Region of Ontario to Boston is generally $1,355, 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 $245 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
Watertown
Warwick
Seabrook
Waltham
Framingham
Lowell
Randolph
Smithfield
Cranston
Chestnut Hill
York Beach
Chelsea
Saco
Burlington
Hampton Beach
Swansea
Lincoln
Quincy

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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 4 airlines flying from Ontario to Boston

Discover the top 4 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 juillet 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$196Average$352FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$213Average$382FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$214Average$326FlexibilityNo cancel feeOn-time67%
Air TransatCheapest$214Average$395FlexibilityNo cancel feeOn-time50%

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