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$100+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 April 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$213
(Kiwi.com)

One-way from

$100
(American Airlines)

Popular in

November

Cheapest in

March

Average price

$349

Good round-trip deal

$248 or less

Good one-way deal

$127 or less
Provider with most accurate pricing for Boston Logan Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Toronto (YTO) flights.
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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. 8% potential increase in price ($32 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 April 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 April 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/2412:15 pmBOS - YUL
1 stop5h 40mPorter Airlines
Sun 5/257:00 amYUL - BOS
1 stop4h 31mPorter Airlines
Deal found 4/14$208
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/138:20 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Wed 5/215:55 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 4/15$213
This Gotogate deal was found by Cheapflights users on 4/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/143:50 pmBOS - YTZ
1 stop3h 37mMultiple Airlines
Sat 5/173:25 pmYTZ - BOS
1 stop6h 32mMultiple Airlines
Deal found 4/15$222
This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/143:49 pmBOS - YYZ
1 stop22h 16mMultiple Airlines
Sat 5/178:15 amYYZ - BOS
Nonstop1h 40mMultiple Airlines
Deal found 4/14$226
This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:50 amBOS - YUL
Nonstop1h 25mMultiple Airlines
Sun 5/114:45 pmYUL - BOS
1 stop4h 46mMultiple Airlines
Deal found 4/14$226
This Air Canada deal was found by Cheapflights users on 4/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/146:20 pmBOS - YYZ
1 stop4h 49mAir Canada
Sun 6/158:15 amYYZ - BOS
Nonstop1h 40mAir Canada
Deal found 4/14$230
This Gotogate deal was found by Cheapflights users on 4/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/143:20 pmBOS - YTZ
1 stop6h 15mAir Canada
Sat 5/175:25 pmYTZ - BOS
1 stop4h 32mAir Canada
Deal found 4/14$230
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Thu 5/88:45 amBOS - YOW
Nonstop1h 28mPorter Airlines
Sun 5/113:25 pmYOW - BOS
1 stop4h 11mPorter Airlines
Deal found 4/14$230
This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/293:20 pmBOS - YUL
Nonstop1h 24mAir Canada
Thu 6/51:05 pmYUL - BOS
Nonstop1h 27mAir Canada
Deal found 4/14$231
This Flybillet deal was found by Cheapflights users on 4/15. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:50 amBOS - YOW
1 stop4h 35mMultiple Airlines
Sun 5/113:25 pmYOW - BOS
1 stop6h 06mMultiple Airlines
Deal found 4/15$241
This Justfly.com deal was found by Cheapflights users on 4/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/135:50 amBOS - YOW
1 stop3h 11mAir Canada
Thu 5/159:05 amYOW - BOS
1 stop5h 27mAir Canada
Deal found 4/14$270
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2912:00 pmBOS - YYZ
1 stop4h 35mAmerican Airlines
Tue 5/63:15 pmYYZ - BOS
1 stop6h 05mAmerican Airlines
Deal found 4/15$276

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 April 15, 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

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 5/24

12:15 pm-5:55 pm

1 stop5h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 5/25

7:00 am-11:31 am

1 stop4h 31m

$208

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 5/13

8:20 pm-10:09 pm

Nonstop1h 49m

Toronto Island

Wed 5/21

5:55 pm-7:36 pm

Nonstop1h 41m

$213

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 5/14

3:50 pm-7:27 pm

1 stop3h 37m

Toronto Island

Sat 5/17

3:25 pm-9:57 pm

1 stop6h 32m

$222

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 5/14

3:49 pm-2:05 pm

1 stop22h 16m

Toronto Pearson Intl

Sat 5/17

8:15 am-9:55 am

Nonstop1h 40m

$226

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 5/8

5:50 am-7:15 am

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 5/11

4:45 pm-9:31 pm

1 stop4h 46m

$226

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 6/14

6:20 pm-11:09 pm

1 stop4h 49m

Toronto Pearson Intl

Sun 6/15

8:15 am-9:55 am

Nonstop1h 40m

$230

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 5/14

3:20 pm-9:35 pm

1 stop6h 15m

Toronto Island

Sat 5/17

5:25 pm-9:57 pm

1 stop4h 32m

$230

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 5/8

8:45 am-10:13 am

Nonstop1h 28m

Ottawa

Sun 5/11

3:25 pm-7:36 pm

1 stop4h 11m

$230

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 5/29

3:20 pm-4:44 pm

Nonstop1h 24m

Montreal Pierre Elliott Trudeau Intl

Thu 6/5

1:05 pm-2:32 pm

Nonstop1h 27m

$231

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 5/8

5:50 am-10:25 am

1 stop4h 35m

Ottawa

Sun 5/11

3:25 pm-9:31 pm

1 stop6h 06m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 54 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 July is currently the most expensive (average of $359). 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 April 15, 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 April 15, 2025.

The most flights from BOS to CAON are scheduled on a Tuesday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 April 15, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Delta and Air Transat from Boston to Ontario to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
281 reviews

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very good
281 reviews
Porter Airlines
8.0
Very good
281 reviews

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Delta
8.0
Very good
7,918 reviews
Porter Airlines
8.0
Very good
281 reviews

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
281 reviews

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
United Airlines
7.4
Good
8,658 reviews
Porter Airlines
8.0
Very good
281 reviews

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
281 reviews

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

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.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $100. Porter Airlines flights start at $102 while deals on Air Canada start at $104 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 Air Canada (68%), Jazz (67%) or United Airlines (61%) 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 $1,063, our data shows the cheapest flight currently is $127. When looking at the most popular route, (Boston Logan Intl - Toronto Pearson Intl), you can expect to pay $226 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 July is currently the most expensive (average of $359). 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$134Average$505FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$165Average$346FlexibilityNo cancel feeOn-time71%
Porter AirlinesCheapest$165Average$419FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$226Average$396FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$263Average$337FlexibilityNo cancel feeOn-time50%

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