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$101+ Cheap flights from Boston (BOS) to Ontario

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
oct. 11 — oct. 181
sam. 10/11
sam. 10/18
1 adult, Economy
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Cheap flight deals from Boston to Ontario

Keep the following information in mind while searching for Boston to Ontario flight deals. Data was last updated septembre 11, 2025.

Round-trip from

$212
(Mytrip)

One-way from

$101
(Air Canada)

Popular in

November

Cheapest in

March

Average price

$290

Good round-trip deal

$255 or less

Good one-way deal

$138 or less
From Boston Logan Intl to Ontario
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One-way flight from Boston Logan Intl to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Ontario.
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Price to beat on a one-way flight from Boston Logan Intl to Ontario.
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Find flight deals from Boston to Ontario

Cheapest flights from Boston to Ontario
Explore the most affordable flight options available from Boston to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/10. 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. 10/26:00 amBOS - YYZ
2 stops7h 03mAir Canada
sam. 10/412:30 amYYZ - BOS
2 stops9h 00mAir Canada
Deal found 9/10$212
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
jeu. 10/98:45 amBOS - YTZ
Nonstop1h 49mPorter Airlines
mer. 10/153:10 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 9/9$212
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
jeu. 10/28:45 amBOS - YTZ
Nonstop1h 49mPorter Airlines
dim. 10/512:00 pmYTZ - BOS
1 stop5h 58mPorter Airlines
Deal found 9/10$213
This Air Canada deal was found by Cheapflights users on 9/11. 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.
sam. 10/410:20 amBOS - YTZ
1 stop4h 25mAir Canada
jeu. 10/1610:25 amYTZ - BOS
1 stop4h 05mAir Canada
Deal found 9/11$214
This Trip.com deal was found by Cheapflights users on 9/10. 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.
lun. 10/206:00 amBOS - YYZ
1 stop4h 39mAir Canada
ven. 10/248:15 amYYZ - BOS
Nonstop1h 40mAir Canada
Deal found 9/10$215
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
mer. 11/57:05 amBOS - YTZ
Nonstop1h 59mPorter Airlines
dim. 11/911:05 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 9/10$215
This Air Canada deal was found by Cheapflights users on 9/10. 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.
ven. 11/145:30 amBOS - YYZ
1 stop6h 10mAir Canada
lun. 11/178:15 amYYZ - BOS
Nonstop1h 42mAir Canada
Deal found 9/10$216
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
mer. 10/83:30 pmBOS - YTZ
1 stop3h 33mPorter Airlines
mer. 10/158:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 9/9$216
This Mytrip deal was found by Cheapflights users on 9/9. 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.
lun. 11/104:35 pmBOS - YYZ
Nonstop2h 07mAir Canada
mar. 11/1812:30 amYYZ - BOS
1 stop9h 02mAir Canada
Deal found 9/9$217
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
dim. 10/59:20 amBOS - YTZ
Nonstop1h 49mPorter Airlines
jeu. 10/168:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 9/11$217
This Trip.com deal was found by Cheapflights users on 9/11. 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.
jeu. 10/28:45 amBOS - YTZ
Nonstop1h 49mPorter Airlines
lun. 10/61:00 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 9/11$218
This Trip.com deal was found by Cheapflights users on 9/10. 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.
sam. 10/256:45 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
mar. 10/2811:05 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 9/10$219

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Ontario 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 septembre 11, 2025.
Use the filters below to find and compare flights from Boston to Ontario that are best for you.

Fly from

Boston

Fly to

Ontario

Route

Depart

Return

Price

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

jeu. 10/16

10:20 am-4:45 pm

1 stop6h 25m

Toronto Island

lun. 10/20

5:25 pm-9:25 pm

1 stop4h 00m

$214

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

jeu. 10/16

8:45 am-10:34 am

Nonstop1h 49m

Toronto Island

lun. 10/20

8:20 pm-10:01 pm

Nonstop1h 41m

$215

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

mer. 10/22

10:10 am-11:59 am

Nonstop1h 49m

Toronto Island

dim. 10/26

8:00 am-9:35 am

Nonstop1h 35m

$215

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

jeu. 10/23

7:15 pm-9:04 pm

Nonstop1h 49m

Toronto Island

sam. 10/25

5:55 pm-7:36 pm

Nonstop1h 41m

$215

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

mer. 10/8

3:30 pm-7:03 pm

1 stop3h 33m

Toronto Island

mer. 10/15

8:20 pm-10:01 pm

Nonstop1h 41m

$216

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

jeu. 10/9

8:45 am-10:34 am

Nonstop1h 49m

Toronto Island

jeu. 10/9

1:00 pm-2:41 pm

Nonstop1h 41m

$217

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

mer. 11/26

6:00 am-11:48 am

1 stop5h 48m

Toronto Pearson Intl

mer. 11/26

2:15 pm-3:57 pm

Nonstop1h 42m

$226

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

mer. 10/22

3:30 pm-7:03 pm

1 stop3h 33m

Toronto Island

sam. 10/25

1:25 pm-3:06 pm

Nonstop1h 41m

$229

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

sam. 11/15

9:40 am-4:02 pm

1 stop6h 22m

Toronto Pearson Intl

sam. 11/15

6:40 pm-10:48 pm

1 stop4h 08m

$230

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

mar. 10/7

6:00 am-11:49 am

1 stop5h 49m

Toronto Pearson Intl

mar. 10/7

3:00 pm-7:54 pm

1 stop4h 54m

$230

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 60 results
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Best time to book a flight from Boston to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Boston 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 Boston to Ontario

What is the cheapest month to book a flight from Boston to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Boston to Region of Ontario (average of $243). Flying from Boston to Region of Ontario in August is currently the most expensive (average of $348). 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 BOS to ON?

Find hourly flight availability from Boston to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septembre 11, 2025.

When flying from Boston to Region of Ontario, 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 Boston to Region of Ontario

Explore weekly flight availability from Boston to Ontario. 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 septembre 11, 2025.

The most flights from BOS to CAON are scheduled on a Wednesday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated septembre 11, 2025.
Read through reviews of airlines operating flights from Boston to Ontario, such as Porter Airlines, Air Transat, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,937 reviews
Porter Airlines
7.9
Good
363 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Boston to Ontario. 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 from for flights from Boston to Ontario?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Ontario. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

  • How long is the flight from Boston to Region of Ontario?

    There are many flights that can get you from Boston to Region of Ontario in 1h 49m. Fly via Air Canada, Porter Airlines, or United Airlines to get the fastest option. The distance between Boston and Region of Ontario is about 432 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Boston to Region of Ontario one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $101. Porter Airlines flights start at $105 while deals on American Airlines start at $149 one-way.

  • What are the most popular routes from Boston to Region of Ontario?

    The most popular flight routes from Boston to Region of Ontario are Boston Logan Intl - Toronto Pearson Intl, Boston Logan Intl - Toronto Island and Boston Logan Intl - Montreal Pierre Elliott Trudeau Intl.

  • What are the most reliable airlines from Boston to Region of Ontario?

    Consider Jazz (81%), ITA Airways (79%) or Brussels Airlines (77%) when booking your flight. These represent the most reliable airlines when flying from Boston to Region of Ontario.

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

    While on average a flight from Boston to Region of Ontario is generally $741, our data shows the cheapest flight currently is $81. When looking at the most popular route, (Boston Logan Intl - Toronto Pearson Intl), you can expect to pay $208 for that flight.

  • Can I find deals for flights from Boston to Ontario that include hotel bookings?

    Yes. In addition to deals on Boston to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Ontario.

  • Can I find deals for business class flights from Boston to Ontario?

    Yes. Cheapflights offers flight deals from Boston to Ontario 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 Boston to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Boston to Region of Ontario (average of $243). Flying from Boston to Region of Ontario in August is currently the most expensive (average of $348). 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

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Alternative routes for Boston to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Boston to Ontario

Discover the top 5 airlines that operate flights from Boston to Ontario. 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 septembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$126Average$418FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$187Average$560FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$240Average$380FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$254Average$367FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$286Average$360FlexibilityNo cancel feeOn-time71%

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