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Ontario

$104+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
May 4 — May 111
Sun 5/4
Sun 5/11
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 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$217
(eDestinos)

One-way from

$104
(FlightHub)

Popular in

November

Cheapest in

March

Average price

$361

Good round-trip deal

$258 or less

Good one-way deal

$141 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 ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 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 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1412:15 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Thu 8/287:50 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 4/27$216
This Mytrip deal was found by Cheapflights users on 4/29. 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 6/410:04 amBOS - YYZ
2 stops26h 26mMultiple Airlines
Sat 6/76:30 amYYZ - BOS
1 stop16h 59mMultiple Airlines
Deal found 4/29$227
This Flightnetwork deal was found by Cheapflights users on 4/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2510:40 amBOS - YYZ
Nonstop1h 55mAir Canada
Wed 6/254:30 pmYYZ - BOS
Nonstop1h 43mAir Canada
Deal found 4/28$242
This Vliegwinkel deal was found by Cheapflights users on 4/29. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/153:20 pmBOS - YTZ
1 stop4h 30mMultiple Airlines
Sun 5/185:55 pmYTZ - BOS
Nonstop1h 41mMultiple Airlines
Deal found 4/29$245
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1810:10 amBOS - YUL
1 stop5h 50mPorter Airlines
Mon 6/236:55 amYUL - BOS
1 stop4h 36mPorter Airlines
Deal found 4/28$248
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/158:45 amBOS - YYZ
1 stop6h 43mPorter Airlines
Mon 5/196:50 amYYZ - BOS
1 stop3h 33mPorter Airlines
Deal found 4/27$258
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:10 amBOS - YUL
2 stops13h 47mMultiple Airlines
Thu 6/57:00 amYUL - BOS
1 stop4h 31mMultiple Airlines
Deal found 4/28$259
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/178:47 amBOS - YYZ
1 stop5h 00mUnited Airlines
Thu 7/174:30 pmYYZ - BOS
Nonstop1h 43mUnited Airlines
Deal found 4/28$265
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 5/276:00 amBOS - YYZ
1 stop8h 33mAmerican Airlines
Tue 5/275:55 pmYYZ - BOS
1 stop4h 56mAmerican Airlines
Deal found 4/28$268
This Flightnetwork deal was found by Cheapflights users on 4/28. 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 Flightnetwork 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
Sun 6/18:10 amYUL - BOS
Nonstop1h 25mAir Canada
Deal found 4/28$270
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2612:15 pmBOS - YOW
1 stop4h 18mPorter Airlines
Sat 6/287:00 amYOW - BOS
1 stop4h 31mPorter Airlines
Deal found 4/28$288
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/35:50 amBOS - YTZ
2 stops5h 42mAir Canada
Wed 6/48:50 amYTZ - BOS
2 stops5h 42mAir Canada
Deal found 4/28$294

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 29, 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

Thu 8/14

12:15 pm-2:04 pm

Nonstop1h 49m

Toronto Island

Thu 8/28

7:50 pm-9:31 pm

Nonstop1h 41m

$216

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 6/4

10:04 am-12:30 pm

2 stops26h 26m

Toronto Pearson Intl

Sat 6/7

6:30 am-11:29 pm

1 stop16h 59m

$227

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 6/25

10:40 am-12:35 pm

Nonstop1h 55m

Toronto Pearson Intl

Wed 6/25

4:30 pm-6:13 pm

Nonstop1h 43m

$242

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 5/15

3:20 pm-7:50 pm

1 stop4h 30m

Toronto Island

Sun 5/18

5:55 pm-7:36 pm

Nonstop1h 41m

$245

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Wed 6/18

10:10 am-4:00 pm

1 stop5h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 6/23

6:55 am-11:31 am

1 stop4h 36m

$248

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 5/15

8:45 am-3:28 pm

1 stop6h 43m

Toronto Pearson Intl

Mon 5/19

6:50 am-10:23 am

1 stop3h 33m

$258

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 6/3

6:10 am-7:57 pm

2 stops13h 47m

Montreal Pierre Elliott Trudeau Intl

Thu 6/5

7:00 am-11:31 am

1 stop4h 31m

$259

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 7/17

8:47 am-1:47 pm

1 stop5h 00m

Toronto Pearson Intl

Thu 7/17

4:30 pm-6:13 pm

Nonstop1h 43m

$265

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 5/27

6:00 am-2:33 pm

1 stop8h 33m

Toronto Pearson Intl

Tue 5/27

5:55 pm-10:51 pm

1 stop4h 56m

$268

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 5/29

3:20 pm-4:44 pm

Nonstop1h 24m

Montreal Pierre Elliott Trudeau Intl

Sun 6/1

8:10 am-9:35 am

Nonstop1h 25m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 53 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 29, 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.

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 29, 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
285 reviews

Comfort

8.1

Food

7.6

Crew

8.8

Overall

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
285 reviews
Porter Airlines
8.0
Very good
285 reviews

Comfort

8.1

Food

7.6

Crew

8.8

Overall

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Delta
8.0
Very good
7,929 reviews
Porter Airlines
8.0
Very good
285 reviews

Comfort

8.1

Food

7.6

Crew

8.8

Overall

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
285 reviews

Comfort

8.1

Food

7.6

Crew

8.8

Overall

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,696 reviews
Porter Airlines
8.0
Very good
285 reviews

Comfort

8.1

Food

7.6

Crew

8.8

Overall

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
285 reviews

Comfort

8.1

Food

7.6

Crew

8.8

Overall

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

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 Porter Airlines, which is currently one of the cheapest options available, starting at $104. Air Canada flights start at $113 while deals on Delta start at $124 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 Brussels Airlines (75%), Jazz (72%) or Air Canada (67%) 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 $713, 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 $238 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$134Average$516FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$165Average$360FlexibilityNo cancel feeOn-time71%
Porter AirlinesCheapest$165Average$421FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$234Average$387FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$263Average$338FlexibilityNo cancel feeOn-time50%

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