Find flights
Deals
When to book
FAQs

Cheap flights from Ontario to Boston from C$ 186

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ontario to Boston

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Boston
Explore the most affordable flight options available from Ontario to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 November 2025.

Thu 18/122:05 p.m.YTZ - BOS
1 stop4h 06mPorter Airlines
Mon 22/127:00 p.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 23/11C$ 299
Sun 14/128:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Tue 16/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 23/11C$ 305
Sun 14/128:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Sat 28/26:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Deal found 24/11C$ 306
Wed 17/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Fri 19/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 24/11C$ 308
Tue 23/128:30 a.m.YTZ - BOS
1 stop6h 22mAir Canada
Mon 29/125:30 a.m.BOS - YTZ
1 stop4h 25mAir Canada
Deal found 24/11C$ 310
Tue 9/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 21/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 24/11C$ 312
Tue 30/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 4/17:05 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 24/11C$ 313
Sun 14/128:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Thu 22/13:30 p.m.BOS - YTZ
1 stop6h 33mPorter Airlines
Deal found 23/11C$ 315
Thu 25/128:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Mon 29/125:30 a.m.BOS - YYZ
2 stops7h 55mAir Canada
Deal found 25/11C$ 315
Thu 11/121:20 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Mon 15/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 23/11C$ 316
Thu 11/121:20 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 14/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 25/11C$ 317
Wed 17/128:15 a.m.YYZ - BOS
Nonstop1h 42mAir Canada
Mon 5/15:30 a.m.BOS - YYZ
1 stop6h 10mAir Canada
Deal found 25/11C$ 317

Cheap flight deals from Ontario to Boston

Keep the following information in mind while searching for Ontario to Boston flight deals. Data was last updated 25 November 2025.

Round-trip from

C$ 299

One-way from

C$ 186

Popular in

November

Cheapest in

October

Average price

C$ 425

Good round-trip deal

C$ 326 or less

Good one-way deal

C$ 252 or less
Porter Airlines
  • Porter Airlines
  • 18/12-22/12
  • 1 total stop
  • 6h 01m total
  • Ontario to Boston
Search Deals
Air Canada
  • Air Canada
  • 16/12
  • 1 total stop
  • 6h 22m total
  • Ontario to Boston
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Ontario to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Boston 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 25 November 2025.
Use the filters below to find and compare flights from Ontario to Boston that are best for you.

Fly from

Ontario

Fly to

Boston

Route

Depart

Return

Price

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 18/12

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

Nonstop1h 35m

Boston Logan Intl

Mon 22/12

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

Nonstop1h 55m

C$ 299

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 8/1

7:35 a.m.-6:10 p.m.

2 stops10h 35m

Boston Logan Intl

Thu 15/1

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

Nonstop1h 55m

C$ 301

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 19/2

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

Nonstop1h 35m

Boston Logan Intl

Sun 22/2

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

1 stop6h 33m

C$ 302

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 5/2

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

Nonstop1h 35m

Boston Logan Intl

Sat 14/2

7:05 a.m.-9:02 a.m.

Nonstop1h 57m

C$ 305

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sun 14/12

8:30 p.m.-10:05 p.m.

Nonstop1h 35m

Boston Logan Intl

Thu 22/1

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

1 stop6h 33m

C$ 315

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Fri 9/1

4:40 p.m.-6:10 p.m.

Nonstop1h 30m

Boston Logan Intl

Fri 16/1

3:30 p.m.-5:03 p.m.

Nonstop1h 33m

C$ 327

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 24/12

2:05 p.m.-6:11 p.m.

1 stop4h 06m

Boston Logan Intl

Sun 28/12

10:20 a.m.-12:15 p.m.

Nonstop1h 55m

C$ 329

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Fri 16/1

3:05 p.m.-8:30 p.m.

1 stop5h 25m

Boston Logan Intl

Sun 18/1

9:00 a.m.-3:04 p.m.

1 stop6h 04m

C$ 332

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Fri 9/1

10:45 a.m.-2:52 p.m.

1 stop4h 07m

Boston Logan Intl

Fri 16/1

5:30 a.m.-9:42 a.m.

1 stop4h 12m

C$ 343

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 11/12

8:30 p.m.-10:05 p.m.

Nonstop1h 35m

Boston Logan Intl

Sun 14/12

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

Nonstop1h 55m

C$ 350

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/11

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Ontario to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Ontario 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 Ontario to Boston

What is the cheapest month to book a flight from Region of Ontario to Boston?

Currently, December is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of C$ 175). Flying from Region of Ontario to Boston in February is currently the most expensive (average of C$ 315). 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 ON to BOS?

Find hourly flight availability from Ontario to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 November 2025.

One of the essential ways to save on airfare from Region of Ontario to Boston is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 30% on airfare.

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

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

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

Weekly flight availability from Region of Ontario to Boston

Explore weekly flight availability from Ontario to Boston. 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 25 November 2025.

The most flights from CAON to BOS 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 (6 on average).

Related info for your journey

Find useful and relevant information for your journey from Ontario to Boston. 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 into for flights to Boston from Ontario?

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Ontario. Logan Intl is conveniently located just 4.2 km from Boston’s city centre.

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

    For as low as C$ 299, Porter Airlines can have you in Boston from Region of Ontario in 1h 35m. The distance between Region of Ontario and Boston is about 695 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Region of Ontario to Boston one-way?

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as C$ 188. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Region of Ontario to Boston for a low price.

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

    When deciding which route to take from Region of Ontario to Boston consider Toronto Pearson Intl - Boston Logan Intl, Toronto Island - Boston Logan Intl or Montreal Pierre Elliott Trudeau Intl - Boston Logan Intl as they are the most popular.

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

    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 Region of Ontario to Boston on time: United Airlines (60%), Air Canada (55%), ITA Airways (55%).

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

    The cheapest flight price from Region of Ontario to Boston is C$ 224. On average you can expect to pay C$ 1,439. The most popular route, (Toronto Pearson Intl - Boston Logan Intl), can usually be booked for C$ 306.

  • Can I find deals for flights from Ontario to Boston that include hotel bookings?

    Yes. In addition to deals on Ontario to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Boston.

  • Can I find deals for business class flights from Ontario to Boston?

    Yes. Cheapflights offers flight deals from Ontario to Boston 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 Region of Ontario to Boston?

    Currently, December is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of C$ 175). Flying from Region of Ontario to Boston in February is currently the most expensive (average of C$ 315). 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Chelsea
Waltham
Warwick
Milford
Braintree
Plymouth
Hampton
Old Orchard Beach
Revere
Merrimack
Kennebunk
Watertown
Lawrence
Seekonk
Nashua

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Boston flights
Toronto Island to Boston flights
Pierre Elliott Trudeau Intl to Boston flights
Vancouver Intl to Boston flights
Halifax to Boston flights
Ottawa to Boston flights
Calgary to Boston flights
Abbotsford to Boston flights
Hamilton to Boston flights
Pearson Intl to Hartford flights
Vancouver Intl to Hartford flights
Québec City to Boston flights
Pearson Intl to Albany flights
Pierre Elliott Trudeau Intl to Hartford flights
Edmonton to Boston flights
Moncton to Boston flights
Saskatoon to Boston flights
Kelowna to Boston flights
Kamloops to Boston flights
Winnipeg to Boston flights
Vancouver Intl to Albany flights
St. John's to Boston flights
Charlottetown to Boston flights
Calgary to Hartford flights
London to Boston flights
St John to Boston flights
Québec City to Hartford flights
Victoria to Boston flights
Regina to Boston flights
Halifax to Albany flights
Edmonton to Hartford flights
Pierre Elliott Trudeau Intl to Nantucket flights
Ottawa to West Tisbury flights
Thunder Bay to Boston flights
Thunder Bay to Hartford flights
Winnipeg to Albany flights
Pierre Elliott Trudeau Intl to Provincetown flights
Edmonton to Provincetown flights
Toronto Island to West Tisbury flights
Sydney to Boston flights
Timmins to Boston flights

Top 5 airlines flying from Ontario to Boston

Discover the top 5 airlines that operate flights from Ontario to Boston. 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 25 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 205AverageC$ 605FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 211AverageC$ 427FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 270AverageC$ 404FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 329AverageC$ 459FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 356AverageC$ 474FlexibilityNo 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 Ontario to Boston?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Boston. 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 Ontario to Boston?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Boston from Ontario.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Boston, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.