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Cheap flights from Boston to Ontario from C$ 155

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
8 Jan — 15 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to Ontario

Enter your travel dates to find the best prices.

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 9 December 2025.

Tue 30/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Wed 7/110:30 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 7/12C$ 329
Tue 30/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Tue 6/16:55 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 7/12C$ 333
Mon 29/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Wed 31/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 9/12C$ 353
Mon 29/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Thu 1/18:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 8/12C$ 355
Fri 26/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 30/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 8/12C$ 360
Mon 29/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Thu 8/11:10 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 9/12C$ 361
Sun 28/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Tue 30/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 9/12C$ 366
Mon 22/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 30/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 7/12C$ 368
Sun 21/121:25 p.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 30/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 7/12C$ 369
Mon 15/128:11 p.m.BOS - YYZ
1 stop18h 09mMultiple Airlines
Thu 18/127:10 a.m.YYZ - BOS
1 stop26h 51mMultiple Airlines
Deal found 8/12C$ 373
Mon 29/123:40 p.m.BOS - YYZ
1 stop4h 33mMultiple Airlines
Thu 8/17:10 a.m.YYZ - BOS
1 stop16h 09mMultiple Airlines
Deal found 9/12C$ 391
Mon 29/123:40 p.m.BOS - YOW
Nonstop1h 29mPorter Airlines
Fri 9/19:15 a.m.YOW - BOS
1 stop5h 30mPorter Airlines
Deal found 8/12C$ 401

Find flight deals from Boston to Ontario

Keep the following information in mind while searching for Boston to Ontario flight deals. Data was last updated 9 December 2025.

Round-trip from

C$ 311

One-way from

C$ 155

Popular in

December

Cheapest in

October

Average price

C$ 508

Good round-trip deal

C$ 378 or less

Good one-way deal

C$ 171 or less
22/1-25/1
  • 22/1-25/1
  • 3 total stops
  • 30h 16m total
  • Boston to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 10/1
  • 1 total stop
  • 4h 41m total
  • Boston to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Ontario.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Ontario.
Search Deals

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 9 December 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

Tue 20/1

6:55 p.m.-8:50 p.m.

Nonstop1h 55m

Toronto Island

Fri 23/1

2:05 p.m.-6:10 p.m.

1 stop4h 05m

C$ 335

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 3/2

6:55 p.m.-8:52 p.m.

Nonstop1h 57m

Toronto Island

Tue 17/2

10:40 a.m.-6:10 p.m.

2 stops7h 30m

C$ 347

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 5/1

3:30 p.m.-10:03 p.m.

1 stop6h 33m

Toronto Island

Sat 31/1

9:30 a.m.-11:05 a.m.

Nonstop1h 35m

C$ 349

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 8/1

3:30 p.m.-7:08 p.m.

1 stop3h 38m

Toronto Island

Mon 12/1

2:05 p.m.-6:10 p.m.

1 stop4h 05m

C$ 351

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 9/4

10:20 a.m.-12:19 p.m.

Nonstop1h 59m

Toronto Island

Sun 12/4

2:05 p.m.-6:10 p.m.

1 stop4h 05m

C$ 351

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 22/1

9:00 a.m.-10:55 a.m.

Nonstop1h 55m

Toronto Island

Thu 29/1

10:30 a.m.-2:52 p.m.

1 stop4h 22m

C$ 354

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 13/3

6:55 p.m.-8:54 p.m.

Nonstop1h 59m

Toronto Island

Wed 18/3

8:00 a.m.-9:35 a.m.

Nonstop1h 35m

C$ 365

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 13/3

10:20 a.m.-12:19 p.m.

Nonstop1h 59m

Toronto Island

Sun 15/3

8:00 a.m.-9:35 a.m.

Nonstop1h 35m

C$ 365

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sun 28/12

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Wed 31/12

8:00 a.m.-9:35 a.m.

Nonstop1h 35m

C$ 371

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 22/12

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Fri 26/12

8:00 a.m.-9:35 a.m.

Nonstop1h 35m

C$ 383

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/12

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, April is the cheapest month in which you can book a flight from Boston to Region of Ontario (average of C$ 160). Flying from Boston to Region of Ontario in January is currently the most expensive (average of C$ 275). 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 9 December 2025.

When flying from Boston to Region of Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 19% versus a flight at noon.

What is the cheapest day to fly from Boston to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from Boston to Ontario. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Boston to Region of Ontario flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 9 December 2025.

The most flights from BOS to CAON are scheduled on a Monday (10 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 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 9 December 2025.
Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andAir Canada 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
397 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
397 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,089 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,514 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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.

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

    For as low as C$ 335, Porter Airlines can have you in Region of Ontario from Boston in 1h 55m. Boston and Region of Ontario are separated by a distance of 695 km. When browsing for deals, the options you’ll see will be for both direct 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 Porter Airlines, which is currently one of the cheapest options available, starting at C$ 130. United Airlines flights start at C$ 139 while deals on Air Canada start at C$ 153 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 (92%), Jazz (69%), ITA Airways (69%).

  • 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$ 575, our data shows the cheapest flight currently is C$ 141. When looking at the most popular route, (Boston Logan Intl - Toronto Pearson Intl), you can expect to pay C$ 300 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, April is the cheapest month in which you can book a flight from Boston to Region of Ontario (average of C$ 160). Flying from Boston to Region of Ontario in January is currently the most expensive (average of C$ 275). 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.
Boston to Pearson Intl flights
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Boston to Saskatoon flights
Hartford to Ottawa flights
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Albany to Calgary flights
Hartford to Victoria flights
Boston to Nanaimo flights
Boston to Gander flights
Provincetown to Pierre Elliott Trudeau Intl flights
Worcester to Vancouver Intl flights
New Bedford to Pierre Elliott Trudeau Intl flights
Boston to Deer Lake flights
Boston to Windsor flights

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 9 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 274AverageC$ 434FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 304AverageC$ 454FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 344AverageC$ 556FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

Can Cheapflights notify me if prices for flights from Boston to Ontario become cheaper?

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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