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Cheap flights from Ontario to Boston from C$ 194

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 24/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 February 2026.

Tue 3/37:35 p.m.
YTZ
-
BOS
Nonstop1h 35m
Air Transat
Tue 10/36:55 p.m.
BOS
-
YTZ
Nonstop1h 52m
Air Transat
Deal found 2/2C$ 296
Tue 3/311:00 a.m.
YYZ
-
BOS
1 stop3h 52m
Air Canada
Tue 10/33:35 p.m.
BOS
-
YYZ
1 stop6h 09m
Air Canada
Deal found 2/2C$ 299
Thu 2/48:00 a.m.
YTZ
-
BOS
Nonstop1h 35m
Air Transat
Mon 6/47:05 a.m.
BOS
-
YTZ
Nonstop1h 59m
Air Transat
Deal found 2/2C$ 300
Thu 2/46:15 a.m.
YYZ
-
BOS
1 stop3h 34m
Air Canada
Sun 5/45:30 a.m.
BOS
-
YYZ
1 stop6h 04m
Air Canada
Deal found 2/2C$ 300
Thu 19/210:30 a.m.
YYZ
-
BOS
Nonstop1h 42m
Air Canada
Mon 23/210:45 a.m.
BOS
-
YYZ
Nonstop2h 03m
Air Canada
Deal found 2/2C$ 307
Sun 13/91:00 p.m.
YTZ
-
BOS
Nonstop1h 41m
Air Transat
Thu 17/911:15 a.m.
BOS
-
YTZ
Nonstop1h 47m
Air Transat
Deal found 2/2C$ 309
Fri 10/74:35 p.m.
YYZ
-
BOS
Nonstop1h 47m
Air Canada
Sun 12/710:50 a.m.
BOS
-
YYZ
Nonstop1h 55m
Air Canada
Deal found 2/2C$ 311
Mon 9/310:30 a.m.
YYZ
-
BOS
Nonstop1h 42m
Air Canada
Wed 11/310:45 a.m.
BOS
-
YYZ
Nonstop2h 03m
Air Canada
Deal found 2/2C$ 313
Tue 19/58:50 a.m.
YTZ
-
BOS
Nonstop1h 41m
Air Transat
Fri 29/511:15 a.m.
BOS
-
YTZ
Nonstop1h 47m
Air Transat
Deal found 3/2C$ 314
Tue 7/710:05 a.m.
YYZ
-
BOS
Nonstop1h 47m
Air Canada
Fri 17/76:00 a.m.
BOS
-
YYZ
Nonstop1h 55m
Air Canada
Deal found 2/2C$ 315
Mon 20/46:15 a.m.
YYZ
-
BOS
1 stop3h 34m
Air Canada
Fri 24/45:30 a.m.
BOS
-
YYZ
1 stop6h 04m
Air Canada
Deal found 2/2C$ 321
Sat 6/65:30 p.m.
YYZ
-
BOS
1 stop3h 57m
Air Canada
Mon 8/66:50 p.m.
BOS
-
YYZ
1 stop4h 08m
Air Canada
Deal found 2/2C$ 324

Find flight deals from Ontario to Boston

Keep the following information in mind while searching for Ontario to Boston flight deals. Data was last updated 3 February 2026.

Round-trip from

C$ 296

One-way from

C$ 194

Popular in

January

Cheapest in

March

Average price

C$ 393

Good round-trip deal

C$ 314 or less

Good one-way deal

C$ 235 or less
Air Transat
  • Air Transat
  • 3/3-10/3
  • Nonstop
  • 3h 27m total
  • Ontario to Boston
Search Deals
Air Canada
  • Air Canada
  • 24/6
  • Nonstop
  • 1h 47m total
  • Ontario to Boston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 3 February 2026.
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

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Tue 30/6

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

Nonstop1h 43m

Boston Logan Intl

Sun 5/7

10:50 a.m.-12:45 p.m.

Nonstop1h 55m

C$ 313

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 2/3

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

Nonstop1h 35m

Boston Logan Intl

Mon 9/3

3:30 p.m.-8:03 p.m.

1 stop4h 33m

C$ 332

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 10/4

11:05 a.m.-12:40 p.m.

Nonstop1h 35m

Boston Logan Intl

Mon 13/4

7:05 a.m.-9:04 a.m.

Nonstop1h 59m

C$ 344

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sun 15/3

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

Nonstop1h 35m

Boston Logan Intl

Wed 18/3

3:30 p.m.-8:03 p.m.

1 stop4h 33m

C$ 347

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

8:55 a.m.-12:40 p.m.

1 stop3h 45m

Boston Logan Intl

Sun 3/5

7:15 a.m.-12:20 p.m.

1 stop5h 05m

C$ 366

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Fri 1/5

3:30 p.m.-7:41 p.m.

1 stop4h 11m

Boston Logan Intl

Sun 3/5

7:15 a.m.-10:59 a.m.

1 stop3h 44m

C$ 376

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 20/2

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

Nonstop1h 35m

Boston Logan Intl

Tue 24/2

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

Nonstop1h 57m

C$ 378

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

8:55 a.m.-2:45 p.m.

1 stop5h 50m

Boston Logan Intl

Sun 1/3

9:00 a.m.-3:15 p.m.

1 stop6h 15m

C$ 380

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

8:55 a.m.-2:45 p.m.

1 stop5h 50m

Boston Logan Intl

Sat 7/3

9:00 a.m.-3:15 p.m.

1 stop6h 15m

C$ 380

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

9:00 a.m.-10:57 a.m.

Nonstop1h 57m

C$ 381

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of C$ 180). Flying from Region of Ontario to Boston in August is currently the most expensive (average of C$ 279). 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 3 February 2026.

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 evening tend to be the most expensive. A flight in the morning could potentially save you up to 63% 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 31 January 2026.

Travelers seeking maximum savings on their Region of Ontario to Boston flight should consider departing on Tuesday 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 3 February 2026.

The most flights from CAON to BOS are scheduled on a Thursday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 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$ 332, Air Canada 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$ 152. 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: Jazz (49%), Air Canada (43%), United Airlines (43%).

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

    The cheapest flight price from Region of Ontario to Boston is C$ 217. On average you can expect to pay C$ 972. The most popular route, (Toronto Pearson Intl - Boston Logan Intl), can usually be booked for C$ 249.

  • 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, March is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of C$ 180). Flying from Region of Ontario to Boston in August is currently the most expensive (average of C$ 279). 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
Merrimack
Chelsea
Milford
Braintree
Hampton
Old Orchard Beach
Revere
Waltham
Kennebunk
Watertown
Warwick
Lawrence
Pawtucket
Seekonk
Nashua

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Alternative routes for Ontario to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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Pierre Elliott Trudeau Intl to Nantucket flights
Toronto Island to Nantucket flights
Ottawa to Nantucket flights
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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 3 February 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 204AverageC$ 376FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 260AverageC$ 389FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 294AverageC$ 564FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 319AverageC$ 444FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 341AverageC$ 470FlexibilityNo 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!

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