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$127+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$206
(Trip.com)

One-way from

$127
(Air Canada)

Popular in

April

Cheapest in

May

Average price

$288

Good round-trip deal

$204 or less

Good one-way deal

$140 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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Highest demand for flights based on searches. 1% potential increase in price ($2 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 March 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 March 28, 2025.

This Trip.com deal was found by Cheapflights users on 3/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/151:05 pmYTZ - BOS
1 stop4h 45mPorter Airlines
Tue 4/294:10 pmBOS - YTZ
1 stop6h 13mPorter Airlines
Deal found 3/27$206
This Booking.com deal was found by Cheapflights users on 3/27. 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.
Thu 4/108:00 amYTZ - BOS
Nonstop1h 35mAir Transat
Sun 4/132:05 pmBOS - YTZ
Nonstop1h 59mAir Transat
Deal found 3/27$207
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1010:20 amYTZ - BOS
2 stops6h 32mAir Canada
Sun 4/136:35 amBOS - YTZ
1 stop5h 12mAir Canada
Deal found 3/27$208
This Ticket deal was found by Cheapflights users on 3/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1010:00 amYYZ - BOS
1 stop4h 57mAir Canada
Sun 4/136:35 amBOS - YYZ
1 stop5h 04mAir Canada
Deal found 3/27$208
This Mytrip deal was found by Cheapflights users on 3/26. 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 4/101:05 pmYTZ - BOS
1 stop4h 45mMultiple Airlines
Fri 4/117:05 amBOS - YTZ
Nonstop1h 59mMultiple Airlines
Deal found 3/26$230
This Trip.com deal was found by Cheapflights users on 3/26. 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.
Fri 5/232:30 pmYUL - BOS
1 stop5h 06mPorter Airlines
Sun 5/259:45 amBOS - YUL
1 stop6h 15mPorter Airlines
Deal found 3/26$234
This Booking.com deal was found by Cheapflights users on 3/27. 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.
Sat 5/244:45 pmYUL - BOS
Nonstop1h 24mAir Canada
Sat 5/313:20 pmBOS - YUL
Nonstop1h 24mAir Canada
Deal found 3/27$235
This FlightHub deal was found by Cheapflights users on 3/28. 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.
Sat 5/34:40 pmYOW - BOS
Nonstop1h 28mPorter Airlines
Mon 5/59:45 amBOS - YOW
Nonstop1h 28mPorter Airlines
Deal found 3/28$241
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/57:05 amYYZ - BOS
1 stop14h 47mMultiple Airlines
Thu 4/109:39 pmBOS - YYZ
1 stop16h 16mMultiple Airlines
Deal found 3/27$243
This Booking.com deal was found by Cheapflights users on 3/27. 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.
Sat 5/37:35 amYYZ - BOS
2 stops10h 33mPorter Airlines
Fri 5/309:45 amBOS - YYZ
1 stop5h 43mPorter Airlines
Deal found 3/27$246
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/38:20 amYUL - BOS
1 stop11h 28mMultiple Airlines
Sun 5/46:00 amBOS - YUL
1 stop6h 21mMultiple Airlines
Deal found 3/27$269
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:39 amYUL - BOS
1 stop20h 52mAmerican Airlines
Sun 5/48:00 pmBOS - YUL
1 stop13h 50mAmerican Airlines
Deal found 3/27$271

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 March 28, 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 4/15

1:05 pm-5:50 pm

1 stop4h 45m

Boston Logan Intl

Tue 4/29

4:10 pm-10:23 pm

1 stop6h 13m

$206

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 4/10

8:00 am-9:35 am

Nonstop1h 35m

Boston Logan Intl

Sun 4/13

2:05 pm-4:04 pm

Nonstop1h 59m

$207

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 4/10

10:20 am-4:52 pm

2 stops6h 32m

Boston Logan Intl

Sun 4/13

6:35 am-11:47 am

1 stop5h 12m

$208

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 4/10

10:00 am-2:57 pm

1 stop4h 57m

Boston Logan Intl

Sun 4/13

6:35 am-11:39 am

1 stop5h 04m

$208

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Fri 5/23

2:30 pm-7:36 pm

1 stop5h 06m

Boston Logan Intl

Sun 5/25

9:45 am-4:00 pm

1 stop6h 15m

$234

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sat 5/24

4:45 pm-6:09 pm

Nonstop1h 24m

Boston Logan Intl

Sat 5/31

3:20 pm-4:44 pm

Nonstop1h 24m

$235

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 4/10

11:40 am-1:20 pm

Nonstop1h 40m

Boston Logan Intl

Thu 4/10

4:10 pm-10:23 pm

1 stop6h 13m

$237

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Sat 5/3

4:40 pm-6:08 pm

Nonstop1h 28m

Boston Logan Intl

Mon 5/5

9:45 am-11:13 am

Nonstop1h 28m

$241

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 4/12

2:55 pm-10:27 am

1 stop19h 32m

Boston Logan Intl

Wed 4/16

8:30 am-11:55 pm

2 stops39h 25m

$243

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 5/3

7:35 am-6:08 pm

2 stops10h 33m

Boston Logan Intl

Fri 5/30

9:45 am-3:28 pm

1 stop5h 43m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 53 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 March 28, 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 March 28, 2025.
See what other customers who have flown with Delta, Porter Airlines 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.
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Porter Airlines
7.9
Good
276 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 Air Canada, which is currently one of the cheapest options available, starting at $127. Porter Airlines flights start at $131 while deals on Air Transat start at $132 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: TAP AIR PORTUGAL (62%), Jazz (62%), United Airlines (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 $295, our data shows the cheapest flight currently is $113. When looking at the most popular route, (Toronto Pearson Intl - Boston Logan Intl), you can expect to pay $200 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
Warwick
Marlborough
Waltham
Cambridge
Framingham
Chestnut Hill
Seekonk
Randolph
Brockton
Lowell
West Yarmouth
Woburn
Somerville
Saco
Burlington
Smithfield
Salem
Chelsea
Seabrook
Brookline

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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 Boston flights
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Pierre Elliott Trudeau Intl to Provincetown flights
Timmins to Boston flights
St John to Boston flights
Kamloops to Boston flights
Halifax to Albany flights
Pearson Intl to Nantucket flights
Pierre Elliott Trudeau Intl to Nantucket flights

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$201Average$352FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$214Average$315FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$220Average$330FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$239Average$367FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$310Average$591FlexibilityNo cancel feeOn-time71%
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