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$94+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
févr. 25 — mars 41
mar. 2/25
mar. 3/4
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 février 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$139
(123 Milhas)

One-way from

$94
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$369

Good round-trip deal

$275 or less

Good one-way deal

$184 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. 6% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in February 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 février 20, 2025.

This 123 Milhas deal was found by Cheapflights users on 2/20. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/146:35 amBOS - YUL
Nonstop1h 25mAir Canada
mer. 4/237:00 amYUL - BOS
1 stop5h 11mAir Canada
Deal found 2/20$139
This Mytrip deal was found by Cheapflights users on 2/19. 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.
mer. 4/22:10 pmBOS - YYZ
1 stop9h 45mMultiple Airlines
mar. 4/222:55 pmYYZ - BOS
1 stop19h 27mMultiple Airlines
Deal found 2/19$186
This Priceline deal was found by Cheapflights users on 2/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/257:05 amBOS - YTZ
Nonstop1h 59mMultiple Airlines
mer. 3/2611:40 amYTZ - BOS
Nonstop1h 40mMultiple Airlines
Deal found 2/20$194
This Mytrip deal was found by Cheapflights users on 2/20. 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. 3/202:10 pmBOS - YUL
1 stop27h 30mMultiple Airlines
lun. 3/246:35 pmYUL - BOS
1 stop15h 24mMultiple Airlines
Deal found 2/20$210
This Gotogate deal was found by Cheapflights users on 2/20. 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.
jeu. 3/62:05 pmBOS - YTZ
Nonstop1h 59mPorter Airlines
dim. 3/911:40 amYTZ - BOS
Nonstop1h 40mPorter Airlines
Deal found 2/20$214
This United Airlines deal was found by Cheapflights users on 2/19. 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.
mer. 3/510:50 amBOS - YUL
Nonstop1h 25mUnited Airlines
mer. 3/123:25 pmYUL - BOS
Nonstop1h 28mUnited Airlines
Deal found 2/19$234
This Kissandfly.com deal was found by Cheapflights users on 2/19. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 3/67:00 amBOS - YUL
Nonstop1h 23mLufthansa
dim. 3/91:30 pmYUL - BOS
Nonstop1h 28mLufthansa
Deal found 2/19$247
This Delta deal was found by Cheapflights users on 2/19. 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.
mer. 3/56:00 amBOS - YUL
1 stop4h 26mDelta
jeu. 3/137:05 amYUL - BOS
1 stop9h 00mDelta
Deal found 2/19$259
This Air Canada deal was found by Cheapflights users on 2/19. 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. 3/216:10 amBOS - YYZ
Nonstop2h 06mAir Canada
dim. 3/306:25 amYYZ - BOS
1 stop3h 37mAir Canada
Deal found 2/19$264
This American Airlines deal was found by Cheapflights users on 2/19. 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.
mer. 3/56:00 amBOS - YUL
1 stop9h 20mAmerican Airlines
lun. 3/1010:54 amYUL - BOS
2 stops10h 58mAmerican Airlines
Deal found 2/19$264
This Air Canada deal was found by Cheapflights users on 2/19. 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. 3/217:00 amBOS - YTZ
1 stop4h 50mAir Canada
ven. 3/2810:20 amYTZ - BOS
2 stops10h 24mAir Canada
Deal found 2/19$267
This Mytrip deal was found by Cheapflights users on 2/20. 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.
sam. 3/2211:25 amBOS - YUL
1 stop6h 50mPorter Airlines
lun. 3/248:55 amYUL - BOS
1 stop4h 25mPorter Airlines
Deal found 2/20$270

Find flights from Boston to Ontario within your budget

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 février 20, 2025.

Fly from

Boston

Fly to

Ontario

Route

Depart

Return

Price

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

lun. 4/14

6:35 am-8:00 am

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

mer. 4/23

7:00 am-12:11 pm

1 stop5h 11m

$139

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

mer. 4/2

2:10 pm-11:55 pm

1 stop9h 45m

Toronto Pearson Intl

mar. 4/22

2:55 pm-10:22 am

1 stop19h 27m

$186

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

mar. 3/25

7:05 am-9:04 am

Nonstop1h 59m

Toronto Island

mer. 3/26

11:40 am-1:20 pm

Nonstop1h 40m

$194

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

jeu. 3/20

2:10 pm-5:40 pm

1 stop27h 30m

Montreal Pierre Elliott Trudeau Intl

lun. 3/24

6:35 pm-9:59 am

1 stop15h 24m

$210

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

jeu. 3/6

2:05 pm-4:04 pm

Nonstop1h 59m

Toronto Island

dim. 3/9

11:40 am-1:20 pm

Nonstop1h 40m

$214

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

mer. 3/5

10:50 am-12:15 pm

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

mer. 3/12

3:25 pm-4:53 pm

Nonstop1h 28m

$234

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

jeu. 3/6

7:00 am-8:23 am

Nonstop1h 23m

Montreal Pierre Elliott Trudeau Intl

dim. 3/9

1:30 pm-2:58 pm

Nonstop1h 28m

$247

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

mer. 3/5

6:00 am-10:26 am

1 stop4h 26m

Montreal Pierre Elliott Trudeau Intl

jeu. 3/13

7:05 am-4:05 pm

1 stop9h 00m

$259

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

mer. 3/5

6:00 am-3:20 pm

1 stop9h 20m

Montreal Pierre Elliott Trudeau Intl

lun. 3/10

10:54 am-9:52 pm

2 stops10h 58m

$264

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

ven. 3/21

6:10 am-8:16 am

Nonstop2h 06m

Toronto Pearson Intl

dim. 3/30

6:25 am-10:02 am

1 stop3h 37m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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.

Travel insights for flights from Boston to Ontario

Get recent, data-driven insights about flights from Boston to Ontario including ideal travel times, pricing trends, and more.

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 février 20, 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 février 20, 2025.

The most flights from BOS to CAON are scheduled on a Wednesday (11 on average). You will have fewer flight options on Monday, 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 février 20, 2025.
Peruse reviews from past customers who have flown with Delta, Porter Airlines 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.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines
7.9
Good
276 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
380 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aeromexico
7.5
Good
1,771 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $109. Air Canada flights start at $110 while deals on United Airlines start at $122 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 (66%) 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 $1,280, our data shows the cheapest flight currently is $136. When looking at the most popular route, (Boston Logan Intl - Toronto Pearson Intl), you can expect to pay $186 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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Hartford to Victoria flights
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Boston to Windsor flights

Top 6 airlines flying from Boston to Ontario

Discover the top 6 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 février 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$136Average$465FlexibilityNo cancel feeOn-time67%
Lynx AirCheapest$143Average$158FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$165Average$428FlexibilityNo cancel feeOn-time71%
Porter AirlinesCheapest$192Average$361FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$240Average$400FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$263Average$354FlexibilityNo cancel feeOn-time50%
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