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Cheap flights from Ontario to Boston from C$ 168

YYZ — BOS
21 Sep — 28 Sep1
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

Sat 19/93:45 p.m. -
Nonstop1h 40m
Thu 24/96:10 p.m. -
Nonstop1h 47m
Deal found 17/8C$ 251
Fri 18/912:00 p.m. -
Nonstop1h 40m
Mon 21/911:10 a.m. -
Nonstop1h 47m
Deal found 17/8C$ 252
Wed 16/98:50 a.m. -
Nonstop1h 40m
Wed 23/94:30 p.m. -
Nonstop1h 45m
Deal found 19/8C$ 253
Thu 24/93:45 p.m. -
Nonstop1h 40m
Tue 29/97:00 a.m. -
Nonstop1h 47m
Deal found 19/8C$ 255
Thu 10/95:20 p.m. -
Nonstop1h 37m
Sun 13/99:35 a.m. -
Nonstop1h 59m
Deal found 19/8C$ 256
Thu 24/912:00 p.m. -
Nonstop1h 40m
Fri 25/97:00 a.m. -
Nonstop1h 47m
Deal found 19/8C$ 259
Thu 10/97:15 p.m. -
Nonstop1h 40m
Sun 13/97:00 a.m. -
Nonstop1h 47m
Deal found 19/8C$ 260
Sat 12/93:45 p.m. -
Nonstop1h 40m
Sun 13/97:00 a.m. -
Nonstop1h 47m
Deal found 22/8C$ 263
Fri 18/93:45 p.m. -
Nonstop1h 40m
Sun 20/97:00 a.m. -
Nonstop1h 47m
Deal found 18/8C$ 266
Sun 20/97:25 a.m. -
Nonstop1h 40m
Tue 22/97:30 p.m. -
Nonstop1h 55m
Deal found 18/8C$ 266
Thu 24/97:25 a.m. -
Nonstop1h 40m
Mon 28/910:05 a.m. -
Nonstop1h 55m
Deal found 19/8C$ 267
Fri 18/95:15 p.m. -
Nonstop1h 40m
Mon 21/97:30 p.m. -
Nonstop1h 55m
Deal found 21/8C$ 268

Find flight deals from Ontario to Boston

Round-trip from

C$ 252

One-way from

C$ 168

Popular in

April

Cheapest in

July

Average price

C$ 362

Good round-trip deal

C$ 274 or less

Good one-way deal

C$ 194 or less
Porter Airlines
  • Porter Airlines
  • 18/9-20/9
  • Nonstop
  • 3h 27m total
  • Ontario to Boston
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Porter Airlines
  • Porter Airlines
  • 8/9
  • Nonstop
  • 1h 40m total
  • Ontario to Boston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 62 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from Ontario to Boston Logan Intl.
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Price to beat on a one-way flight from Ontario to Boston Logan Intl.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ontario to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Fri 11/9

5:15 p.m.-6:55 p.m.

Nonstop1h 40m

Boston Logan Intl

Tue 15/9

7:30 p.m.-9:25 p.m.

Nonstop1h 55m

C$ 303
Quickest round-trip

TorontoBoston

YTZ Toronto Island - BOS Boston Logan Intl

YTZBOS

Toronto Island

Wed 16/9

8:50 a.m.-10:30 a.m.

Nonstop1h 40m

Boston Logan Intl

Sun 20/9

7:00 a.m.-8:47 a.m.

Nonstop1h 47m

C$ 322

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Wed 16/9

10:15 a.m.-4:27 p.m.

1 stop6h 12m

Boston Logan Intl

Wed 16/9

6:50 p.m.-11:18 p.m.

1 stop4h 28m

C$ 329

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Fri 11/9

5:30 p.m.-9:26 p.m.

1 stop3h 56m

Boston Logan Intl

Sun 13/9

5:50 a.m.-11:07 a.m.

2 stops5h 17m

C$ 334

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Tue 15/9

7:43 p.m.-11:59 p.m.

1 stop4h 16m

Boston Logan Intl

Thu 17/9

5:50 a.m.-12:33 p.m.

1 stop6h 43m

C$ 336

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Fri 18/9

5:15 p.m.-11:30 p.m.

1 stop6h 15m

Boston Logan Intl

Sun 20/9

6:00 a.m.-11:49 a.m.

1 stop5h 49m

C$ 348

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Wed 23/9

9:44 a.m.-11:59 p.m.

1 stop14h 15m

Boston Logan Intl

Thu 24/9

5:50 a.m.-12:33 p.m.

1 stop6h 43m

C$ 348

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Thu 17/9

5:15 p.m.-1:10 a.m.

1 stop7h 55m

Boston Logan Intl

Thu 24/9

9:23 a.m.-3:46 p.m.

1 stop6h 23m

C$ 350

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Thu 17/9

10:15 a.m.-5:36 p.m.

1 stop7h 21m

Boston Logan Intl

Sun 20/9

6:00 a.m.-11:49 a.m.

1 stop5h 49m

C$ 350

TorontoBoston

YYZ Toronto Pearson Intl - BOS Boston Logan Intl

YYZBOS

Toronto Pearson Intl

Thu 10/9

7:30 a.m.-2:22 p.m.

1 stop6h 52m

Boston Logan Intl

Sun 13/9

7:30 a.m.-11:43 a.m.

1 stop4h 13m

C$ 350

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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, September is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of C$ 363). Flying from Region of Ontario to Boston in April is currently the most expensive (average of C$ 475). 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?

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 62% on airfare.

Weekly flight availability from Region of Ontario to Boston

The most flights from CAON to BOS are scheduled on a Thursday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (15 on average).

How much does it cost to fly round-trip from Region of Ontario to Boston?

Airfare is below average for this route at the moment.
Region of Ontario to Boston flights typically cost between C$ 293 and C$ 458 in September.
The cheapest round-trip price found within the last 5 days was C$ 266 on Porter Airlines (20 Sep-22 Sep).

How far ahead should I book a flight from Region of Ontario to Boston?

The price you pay for your flight from Region of Ontario to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

  • 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$ 303, Porter Airlines can have you in Boston from Region of Ontario in 1h 40m. The distance between Region of Ontario and Boston is about 715 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$ 158. However, be on the lookout for offers from Air Transat and Air Canada, 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 (93%), Air Canada (74%), United Airlines (64%).

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

    The cheapest flight price from Region of Ontario to Boston is C$ 191. On average you can expect to pay C$ 836. The most popular route, (Toronto Pearson Intl - Boston Logan Intl), can usually be booked for C$ 268.

  • 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, September is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of C$ 363). Flying from Region of Ontario to Boston in April is currently the most expensive (average of C$ 475). 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
Old Orchard Beach
Cape Elizabeth
Hampton
Merrimack
Ogunquit
Saugus
Braintree
Milford
Revere
Waltham
Watertown
Warwick
Lawrence
Pawtucket
Seekonk
Foxborough
Nashua
Kittery

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Ontario to Boston

AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 251AverageC$ 379FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 286AverageC$ 491FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 298AverageC$ 502FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 356AverageC$ 579FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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