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Cheap flights from Boston to Ontario from C$ 150

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
17 Jan — 24 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 18 December 2025.

Tue 30/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Wed 21/110:30 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 17/12C$ 368
Tue 30/123:40 p.m.BOS - YTZ
1 stop6h 23mMultiple Airlines
Tue 6/16:55 p.m.YTZ - BOS
Nonstop1h 35mMultiple Airlines
Deal found 17/12C$ 415
Tue 30/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Thu 1/111:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 16/12C$ 419
Wed 31/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Sat 3/18:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 16/12C$ 426
Tue 23/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 6/110:30 a.m.YTZ - BOS
1 stop7h 40mPorter Airlines
Deal found 16/12C$ 431
Tue 30/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 6/16:55 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 17/12C$ 451
Mon 29/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 6/16:55 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 16/12C$ 452
Wed 31/1210:20 a.m.BOS - YUL
1 stop6h 55mPorter Airlines
Tue 6/14:00 p.m.YUL - BOS
1 stop4h 30mPorter Airlines
Deal found 16/12C$ 474
Mon 29/123:40 p.m.BOS - YYZ
1 stop4h 33mMultiple Airlines
Tue 6/18:30 p.m.YYZ - BOS
1 stop14h 20mMultiple Airlines
Deal found 16/12C$ 548
Wed 31/1210:20 a.m.BOS - YUL
1 stop6h 55mMultiple Airlines
Tue 6/15:25 p.m.YUL - BOS
2 stops16h 36mMultiple Airlines
Deal found 16/12C$ 554
Tue 30/123:40 p.m.BOS - YYZ
1 stop4h 33mMultiple Airlines
Wed 21/111:15 a.m.YYZ - BOS
1 stop12h 42mMultiple Airlines
Deal found 17/12C$ 555
Tue 30/123:40 p.m.BOS - YYZ
1 stop4h 33mMultiple Airlines
Tue 6/18:20 p.m.YYZ - BOS
1 stop13h 41mMultiple Airlines
Deal found 17/12C$ 559

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 18 December 2025.

Round-trip from

C$ 280

One-way from

C$ 150

Popular in

December

Cheapest in

October

Average price

C$ 506

Good round-trip deal

C$ 375 or less

Good one-way deal

C$ 162 or less
22/1-25/1
  • 22/1-25/1
  • 4 total stops
  • 42h 59m total
  • Boston to Ontario
Search Deals
28/1
  • 28/1
  • 1 total stop
  • 9h 26m 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).
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 18 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

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 22/1

5:34 a.m.-12:25 a.m.

1 stop18h 51m

Ottawa

Sun 25/1

4:20 p.m.-4:28 p.m.

3 stops24h 08m

C$ 280

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 21/1

5:34 a.m.-5:25 p.m.

1 stop11h 51m

Ottawa

Sun 25/1

4:20 p.m.-4:28 p.m.

3 stops24h 08m

C$ 300

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 23/1

2:00 p.m.-12:25 a.m.

1 stop10h 25m

Ottawa

Sun 25/1

4:20 p.m.-4:28 p.m.

3 stops24h 08m

C$ 313

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 9/1

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

1 stop3h 38m

Toronto Island

Tue 13/1

6:55 p.m.-8:30 p.m.

Nonstop1h 35m

C$ 333

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 8/1

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

1 stop3h 38m

Toronto Island

Sun 11/1

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

1 stop4h 05m

C$ 342

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 16/1

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

Nonstop1h 55m

Toronto Island

Sun 18/1

6:55 p.m.-8:30 p.m.

Nonstop1h 35m

C$ 344

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 14/1

5:34 a.m.-10:03 p.m.

2 stops16h 29m

Toronto Island

Wed 21/1

6:55 p.m.-8:30 p.m.

Nonstop1h 35m

C$ 347

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 15/1

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

Nonstop1h 55m

Toronto Island

Mon 19/1

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

Nonstop1h 35m

C$ 347

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 27/2

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

1 stop6h 33m

Toronto Island

Sun 1/3

1:10 p.m.-2:45 p.m.

Nonstop1h 35m

C$ 349

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 16/1

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

1 stop3h 38m

Toronto Island

Mon 19/1

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

Nonstop1h 35m

C$ 349

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

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 November is currently the most expensive (average of C$ 263). 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 18 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 18 December 2025.

The most flights from BOS to CAON are scheduled on a Wednesday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 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 18 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
399 reviews
Check prices

Crew

8.6

Entertainment

7.0

Comfort

7.9

Food

7.6

Overall

8.0

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
399 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Crew

8.6

Entertainment

7.0

Comfort

7.9

Food

7.6

Overall

8.0

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
9,095 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Crew

8.6

Entertainment

7.0

Comfort

7.9

Food

7.6

Overall

8.0

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
10,534 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Crew

8.6

Entertainment

7.0

Comfort

7.9

Food

7.6

Overall

8.0

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$ 412, Porter Airlines can have you in Region of Ontario from Boston in 2h 03m. Boston and Region of Ontario are separated by a distance of 715 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$ 138 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 (80%), Jazz (71%), Emirates (70%).

  • 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$ 603, our data shows the cheapest flight currently is C$ 140. When looking at the most popular route, (Boston Logan Intl - Toronto Pearson Intl), you can expect to pay C$ 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, 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 November is currently the most expensive (average of C$ 263). 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
Boston to Toronto Island flights
Boston to Pierre Elliott Trudeau Intl flights
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Boston to Abbotsford flights
Hartford to Pearson Intl flights
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Albany to Pierre Elliott Trudeau Intl flights
Boston to Hamilton flights
Boston to Kelowna flights
Hartford to Calgary flights
Hartford to Pierre Elliott Trudeau Intl flights
Albany to Pearson Intl flights
Boston to Winnipeg flights
Boston to Edmonton flights
Boston to Charlottetown flights
Boston to Victoria flights
Albany to Halifax flights
Albany to Vancouver Intl flights
Boston to Nanaimo flights
Hartford to Halifax flights
Hartford to Québec City flights
Boston to Regina flights
Boston to Saskatoon flights
Hartford to Edmonton flights
Boston to Deer Lake flights
Boston to Moncton flights
Albany to Calgary flights
Worcester to Vancouver Intl flights
Hartford to St. John's flights
Hartford to Victoria flights
Boston to Thunder Bay flights
Boston to Gander flights
Provincetown to Pierre Elliott Trudeau Intl flights
Boston to Windsor flights
New Bedford to Pierre Elliott Trudeau Intl flights
Boston to St John 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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 273AverageC$ 436FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 303AverageC$ 439FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 343AverageC$ 540FlexibilityNo 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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