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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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
jul. 23 — jul. 301
mié. 7/23
mié. 7/30
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 julio 18, 2025.

Round-trip from

$205
(Trip.com)

One-way from

$124
(SmartFares)

Popular in

December

Cheapest in

March

Average price

$270

Good round-trip deal

$218 or less

Good one-way deal

$144 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 julio 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/14. 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. 7/223:00 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
sáb. 7/266:45 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 7/14$205
This Mytrip deal was found by Cheapflights users on 7/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/148:00 amYYZ - BOS
1 stop6h 35mAir Canada
mié. 8/205:50 amBOS - YYZ
2 stops5h 19mAir Canada
Deal found 7/16$205
This Flightnetwork deal was found by Cheapflights users on 7/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/138:25 amYTZ - BOS
1 stop6h 10mAir Canada
mié. 8/205:50 amBOS - YTZ
1 stop5h 56mAir Canada
Deal found 7/16$213
This Booking.com deal was found by Cheapflights users on 7/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/83:10 pmYTZ - BOS
Nonstop1h 41mMultiple Airlines
mar. 9/93:30 pmBOS - YTZ
1 stop3h 33mMultiple Airlines
Deal found 7/15$229
This Booking.com deal was found by Cheapflights users on 7/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/297:00 amYOW - BOS
1 stop6h 15mPorter Airlines
sáb. 12/62:05 pmBOS - YOW
1 stop6h 21mPorter Airlines
Deal found 7/15$254
This Booking.com deal was found by Cheapflights users on 7/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/168:05 amYUL - BOS
Nonstop1h 25mAir Canada
sáb. 8/235:50 amBOS - YUL
Nonstop1h 25mAir Canada
Deal found 7/17$283
This Mytrip deal was found by Cheapflights users on 7/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/1310:45 amYUL - BOS
1 stop3h 56mPorter Airlines
mié. 8/2012:15 pmBOS - YUL
1 stop6h 10mPorter Airlines
Deal found 7/15$286
This Booking.com deal was found by Cheapflights users on 7/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/295:00 pmYOW - BOS
Nonstop1h 15mAir Transat
sáb. 12/64:15 pmBOS - YOW
Nonstop1h 29mAir Transat
Deal found 7/15$295
This Gotogate deal was found by Cheapflights users on 7/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/39:40 amYUL - BOS
2 stops6h 19mMultiple Airlines
mar. 10/75:35 pmBOS - YUL
1 stop4h 40mMultiple Airlines
Deal found 7/16$307
This Trip.com deal was found by Cheapflights users on 7/17. 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.
sáb. 8/1611:23 amYUL - BOS
1 stop5h 06mUnited Airlines
dom. 8/178:47 amBOS - YUL
1 stop13h 19mUnited Airlines
Deal found 7/17$321
This Delta deal was found by Cheapflights users on 7/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/266:00 amYUL - BOS
2 stops9h 24mDelta
dom. 8/316:05 amBOS - YUL
2 stops11h 38mDelta
Deal found 7/17$325
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
sáb. 8/24:25 pmYOW - BOS
1 stop16h 33mMultiple Airlines
mar. 8/123:30 pmBOS - YOW
Nonstop1h 28mMultiple Airlines
Deal found 7/17$329

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 julio 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

mar. 8/5

7:50 pm-9:31 pm

Nonstop1h 41m

Boston Logan Intl

sáb. 8/9

7:15 am-9:04 am

Nonstop1h 49m

$205

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

jue. 8/14

8:00 am-2:35 pm

1 stop6h 35m

Boston Logan Intl

mié. 8/20

5:50 am-11:09 am

2 stops5h 19m

$205

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

mié. 8/13

10:25 am-2:35 pm

1 stop4h 10m

Boston Logan Intl

mié. 8/20

5:50 am-11:31 am

2 stops5h 41m

$207

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

lun. 9/8

3:10 pm-4:51 pm

Nonstop1h 41m

Boston Logan Intl

mar. 9/9

3:30 pm-7:03 pm

1 stop3h 33m

$229

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

sáb. 11/29

7:00 am-1:15 pm

1 stop6h 15m

Boston Logan Intl

sáb. 12/6

2:05 pm-8:26 pm

1 stop6h 21m

$254

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

sáb. 8/16

8:05 am-9:30 am

Nonstop1h 25m

Boston Logan Intl

sáb. 8/23

5:50 am-7:15 am

Nonstop1h 25m

$283

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

mié. 8/13

10:45 am-2:41 pm

1 stop3h 56m

Boston Logan Intl

mié. 8/20

12:15 pm-6:25 pm

1 stop6h 10m

$286

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

sáb. 11/29

5:00 pm-6:15 pm

Nonstop1h 15m

Boston Logan Intl

sáb. 12/6

4:15 pm-5:44 pm

Nonstop1h 29m

$295

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

dom. 8/31

9:40 am-6:08 pm

2 stops8h 28m

Boston Logan Intl

dom. 9/7

9:20 am-1:45 pm

1 stop4h 25m

$303

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

sáb. 8/16

11:23 am-4:29 pm

1 stop5h 06m

Boston Logan Intl

dom. 8/17

8:47 am-10:06 pm

1 stop13h 19m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 40 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 $307). 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 julio 18, 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 julio 18, 2025.

The most flights from CAON to BOS are scheduled on a Thursday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 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 julio 18, 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
311 reviews

Food

7.6

Crew

8.7

Comfort

8.1

Entertainment

7.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
Porter Airlines
8.0
Very good
311 reviews
Porter Airlines
8.0
Very good
311 reviews

Food

7.6

Crew

8.7

Comfort

8.1

Entertainment

7.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
Delta
8.0
Very good
7,959 reviews
Porter Airlines
8.0
Very good
311 reviews

Food

7.6

Crew

8.7

Comfort

8.1

Entertainment

7.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
Air Transat
7.7
Good
416 reviews
Porter Airlines
8.0
Very good
311 reviews

Food

7.6

Crew

8.7

Comfort

8.1

Entertainment

7.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
United Airlines
7.4
Good
8,864 reviews
Porter Airlines
8.0
Very good
311 reviews

Food

7.6

Crew

8.7

Comfort

8.1

Entertainment

7.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
311 reviews

Food

7.6

Crew

8.7

Comfort

8.1

Entertainment

7.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make

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 $124. Air Canada flights start at $132 while deals on Air Transat start at $138 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 $1,342, 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 $204 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 $307). 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
Smithfield
Cranston
Randolph
Chestnut Hill
Brockton
York Beach
Chelsea
Saco
Burlington
Hampton Beach
Swansea
Lincoln

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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 julio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$196Average$348FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$213Average$372FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$214Average$330FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$215Average$326FlexibilityNo cancel feeOn-time67%

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