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Cheap flights from Boston to Ontario from C$ 146

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
5 Jul — 12 Jul1
1 adult

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 30 June 2025.

Round-trip from

C$ 312

One-way from

C$ 146

Popular in

November

Cheapest in

July

Average price

C$ 432

Good round-trip deal

C$ 347 or less

Good one-way deal

C$ 142 or less
Porter Airlines
  • Porter Airlines
  • 14/8-21/8
  • 1 total stop
  • 5h 53m total
  • Boston to Ontario
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20/9
  • 20/9
  • 2 total stops
  • 21h 37m total
  • Boston to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 74 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in June 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 30 June 2025.

Thu 14/812:15 p.m.BOS - YYZ
Nonstop1h 55mAir Canada
Thu 21/88:55 p.m.YYZ - BOS
Nonstop1h 43mAir Canada
Deal found 30/6C$ 308
Thu 14/83:30 p.m.BOS - YTZ
1 stop4h 12mPorter Airlines
Thu 21/89:50 a.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 30/6C$ 312
Wed 6/812:15 p.m.BOS - YTZ
Nonstop1h 49mMultiple Airlines
Wed 13/88:25 a.m.YTZ - BOS
1 stop6h 10mMultiple Airlines
Deal found 28/6C$ 313
Thu 17/75:50 a.m.BOS - YTZ
1 stop5h 56mAir Canada
Mon 21/712:25 p.m.YTZ - BOS
1 stop5h 35mAir Canada
Deal found 29/6C$ 326
Sat 23/812:25 p.m.BOS - YYZ
2 stops24h 05mMultiple Airlines
Tue 26/87:55 a.m.YYZ - BOS
2 stops25h 44mMultiple Airlines
Deal found 30/6C$ 334
Wed 9/79:30 a.m.BOS - YYZ
1 stop7h 49mUnited Airlines
Wed 9/78:55 p.m.YYZ - BOS
Nonstop1h 43mUnited Airlines
Deal found 30/6C$ 357
Fri 12/98:45 a.m.BOS - YUL
1 stop5h 00mPorter Airlines
Fri 12/94:45 p.m.YUL - BOS
1 stop5h 16mPorter Airlines
Deal found 28/6C$ 390
Wed 24/912:15 p.m.BOS - YUL
1 stop6h 05mAir Canada
Sun 5/107:00 a.m.YUL - BOS
1 stop4h 29mAir Canada
Deal found 30/6C$ 393
Tue 12/85:25 p.m.BOS - YUL
1 stop4h 50mMultiple Airlines
Tue 19/88:30 p.m.YUL - BOS
Nonstop1h 26mMultiple Airlines
Deal found 28/6C$ 395
Wed 5/114:15 p.m.BOS - YOW
Nonstop1h 29mPorter Airlines
Fri 7/114:35 p.m.YOW - BOS
Nonstop1h 15mPorter Airlines
Deal found 28/6C$ 409
Wed 30/76:00 a.m.BOS - YUL
1 stop3h 45mAmerican Airlines
Wed 30/712:59 p.m.YUL - BOS
1 stop4h 32mAmerican Airlines
Deal found 30/6C$ 431
Thu 21/85:50 a.m.BOS - YUL
Nonstop1h 25mUnited Airlines
Wed 10/98:30 p.m.YUL - BOS
Nonstop1h 25mUnited Airlines
Deal found 29/6C$ 440

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 629,999 searches. Data last updated 30 June 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 14/8

3:30 p.m.-7:42 p.m.

1 stop4h 12m

Toronto Island

Thu 21/8

9:50 a.m.-11:31 a.m.

Nonstop1h 41m

C$ 312

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 14/8

6:00 a.m.-7:55 a.m.

Nonstop1h 55m

Toronto Pearson Intl

Thu 21/8

8:55 p.m.-10:38 p.m.

Nonstop1h 43m

C$ 313

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 6/8

12:15 p.m.-2:04 p.m.

Nonstop1h 49m

Toronto Island

Wed 13/8

8:25 a.m.-2:35 p.m.

1 stop6h 10m

C$ 313

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 17/7

5:50 a.m.-11:46 a.m.

1 stop5h 56m

Toronto Island

Mon 21/7

12:25 p.m.-6:00 p.m.

1 stop5h 35m

C$ 326

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 15/11

10:45 a.m.-12:48 p.m.

Nonstop2h 03m

Toronto Pearson Intl

Wed 19/11

10:30 a.m.-12:14 p.m.

Nonstop1h 44m

C$ 347

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 2/9

6:00 a.m.-7:56 a.m.

Nonstop1h 56m

Toronto Pearson Intl

Tue 9/9

8:55 p.m.-10:39 p.m.

Nonstop1h 44m

C$ 363

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Fri 12/9

8:45 a.m.-1:45 p.m.

1 stop5h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 12/9

4:45 p.m.-10:01 p.m.

1 stop5h 16m

C$ 390

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Wed 24/9

12:15 p.m.-6:20 p.m.

1 stop6h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

7:00 a.m.-11:29 a.m.

1 stop4h 29m

C$ 393

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 12/8

5:25 p.m.-10:15 p.m.

1 stop4h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 19/8

8:30 p.m.-9:56 p.m.

Nonstop1h 26m

C$ 395

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 5/11

4:15 p.m.-5:44 p.m.

Nonstop1h 29m

Ottawa

Fri 7/11

4:35 p.m.-5:50 p.m.

Nonstop1h 15m

C$ 409

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/6

Showing 1-10 of 51 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 C$ 167). Flying from Boston to Region of Ontario in July is currently the most expensive (average of C$ 255). 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 30 June 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Region of Ontario as you normally would.

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 30 June 2025.
Check out reviews from past customers who have flown with Porter Airlines,Delta, andAir Transat from Boston to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
296 reviews
Check prices

Food

7.6

Crew

8.7

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.1

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Porter Airlines
8.0
Very good
296 reviews
Porter Airlines
8.0
Very good
296 reviews
Check prices

Food

7.6

Crew

8.7

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.1

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Delta
8.0
Very good
7,973 reviews
Porter Airlines
8.0
Very good
296 reviews
Check prices

Food

7.6

Crew

8.7

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.1

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Air Transat
7.8
Good
405 reviews
Porter Airlines
8.0
Very good
296 reviews
Check prices

Food

7.6

Crew

8.7

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.1

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
United Airlines
7.4
Good
8,852 reviews
Porter Airlines
8.0
Very good
296 reviews
Check prices

Food

7.6

Crew

8.7

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.1

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
296 reviews
Check prices

Food

7.6

Crew

8.7

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.1

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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?

    For a flight from Boston to Ontario, you will be flying from Logan Intl. Boston Logan Intl (BOS) is just 4.2 km from the centre of the city.

  • 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 C$ 146. Porter Airlines flights start at C$ 148 while deals on United Airlines start at C$ 156 one-way.

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

    The most popular route from Boston to Region of Ontario is Boston Logan Intl - Toronto Pearson Intl. You may also consider Boston Logan Intl - Toronto Island or Boston Logan Intl - Montreal Pierre Elliott Trudeau Intl.

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

    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 Boston to Region of Ontario on time: Brussels Airlines (86%), Jazz (82%), Air Canada (77%).

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

    While on average a flight from Boston to Region of Ontario is generally C$ 378, our data shows the cheapest flight currently is C$ 127. When looking at the most popular route, (Boston Logan Intl - Toronto Pearson Intl), you can expect to pay C$ 324 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 C$ 167). Flying from Boston to Region of Ontario in July is currently the most expensive (average of C$ 255). 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 3 airlines flying from Boston to Ontario

Discover the top 3 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 629,999 searches. Data last updated 30 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 267AverageC$ 476FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 291AverageC$ 459FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 340AverageC$ 526FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Boston to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Boston to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Boston to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Boston to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Boston to Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from Boston to Ontario with no change fees.

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Of course! You can now track prices for flights from Boston to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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