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Cheap flights from Ontario to Boston from C$ 173

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
23 Aug — 30 Aug1
1 adult

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 18 August 2025.

Round-trip from

C$ 285

One-way from

C$ 173

Popular in

December

Cheapest in

March

Average price

C$ 399

Good round-trip deal

C$ 292 or less

Good one-way deal

C$ 172 or less
Porter Airlines
  • Porter Airlines
  • 27/9-29/9
  • Nonstop
  • 3h 30m total
  • Ontario to Boston
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Porter Airlines
  • Porter Airlines
  • 17/9
  • Nonstop
  • 1h 41m total
  • Ontario to Boston
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Highest demand for flights based on searches. 6% potential increase in price (C$ 36 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease (C$ 5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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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Find flight deals from Ontario to Boston

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 18 August 2025.

Thu 2/101:00 p.m.YYZ - BOS
1 stop4h 55mAir Canada
Sun 5/106:00 a.m.BOS - YYZ
1 stop5h 39mAir Canada
Deal found 18/8C$ 283
Sat 27/99:50 a.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Mon 29/97:15 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 16/8C$ 285
Fri 10/101:00 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Tue 14/1010:10 a.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 16/8C$ 286
Wed 10/98:55 p.m.YYZ - BOS
Nonstop1h 44mAir Canada
Mon 15/96:00 a.m.BOS - YYZ
Nonstop1h 56mAir Canada
Deal found 18/8C$ 286
Mon 22/93:10 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Fri 26/95:35 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 18/8C$ 287
Fri 24/104:00 p.m.YYZ - BOS
1 stop5h 26mAir Canada
Mon 27/106:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Deal found 15/8C$ 287
Sun 5/109:50 a.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Sat 11/1012:15 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 17/8C$ 289
Sun 28/99:50 a.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Mon 29/98:45 a.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 17/8C$ 290
Thu 2/101:00 p.m.YYZ - BOS
1 stop4h 55mAir Canada
Thu 9/106:00 a.m.BOS - YYZ
1 stop4h 39mAir Canada
Deal found 18/8C$ 290
Wed 1/1012:25 p.m.YTZ - BOS
1 stop5h 30mAir Canada
Wed 8/1010:20 a.m.BOS - YTZ
1 stop6h 25mAir Canada
Deal found 17/8C$ 292
Sat 6/99:45 a.m.YYZ - BOS
Nonstop1h 42mAir Canada
Sun 7/96:00 a.m.BOS - YYZ
1 stop5h 39mAir Canada
Deal found 16/8C$ 292
Sun 12/1012:00 p.m.YTZ - BOS
1 stop5h 58mPorter Airlines
Mon 13/103:30 p.m.BOS - YTZ
1 stop3h 33mPorter Airlines
Deal found 16/8C$ 294

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 18 August 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

Sat 27/9

9:50 a.m.-11:31 a.m.

Nonstop1h 41m

Boston Logan Intl

Mon 29/9

3:30 p.m.-7:03 p.m.

1 stop3h 33m

C$ 283

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sun 12/10

5:55 p.m.-7:36 p.m.

Nonstop1h 41m

Boston Logan Intl

Wed 15/10

7:15 p.m.-9:04 p.m.

Nonstop1h 49m

C$ 286

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 10/10

1:00 p.m.-2:41 p.m.

Nonstop1h 41m

Boston Logan Intl

Tue 14/10

10:10 a.m.-11:59 a.m.

Nonstop1h 49m

C$ 286

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Tue 30/9

3:10 p.m.-4:51 p.m.

Nonstop1h 41m

Boston Logan Intl

Tue 7/10

3:30 p.m.-7:03 p.m.

1 stop3h 33m

C$ 286

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 26/9

8:20 p.m.-10:01 p.m.

Nonstop1h 41m

Boston Logan Intl

Tue 30/9

3:30 p.m.-7:03 p.m.

1 stop3h 33m

C$ 286

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 11/10

5:55 p.m.-7:36 p.m.

Nonstop1h 41m

Boston Logan Intl

Mon 13/10

8:45 a.m.-10:34 a.m.

Nonstop1h 49m

C$ 286

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 10/10

1:00 p.m.-2:41 p.m.

Nonstop1h 41m

Boston Logan Intl

Wed 15/10

5:35 p.m.-7:24 p.m.

Nonstop1h 49m

C$ 286

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 24/10

2:15 p.m.-3:59 p.m.

Nonstop1h 44m

Boston Logan Intl

Mon 27/10

1:00 p.m.-3:00 p.m.

Nonstop2h 00m

C$ 287

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sun 5/10

8:20 p.m.-10:01 p.m.

Nonstop1h 41m

Boston Logan Intl

Sun 12/10

12:15 p.m.-2:04 p.m.

Nonstop1h 49m

C$ 287

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Tue 23/9

8:20 p.m.-10:01 p.m.

Nonstop1h 41m

Boston Logan Intl

Sun 28/9

9:20 a.m.-11:09 a.m.

Nonstop1h 49m

C$ 287

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

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, May is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of C$ 291). Flying from Region of Ontario to Boston in April is currently the most expensive (average of C$ 350). 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 18 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Boston as you normally would.

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 18 August 2025.

The most flights from CAON to BOS are scheduled on a Tuesday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 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$ 283, Porter Airlines can have you in Boston from Region of Ontario in 1h 41m. 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$ 173. However, be on the lookout for offers from Air Canada and WestJet, 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 (58%), Air Canada (55%), Brussels Airlines (51%).

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

    The cheapest flight price from Region of Ontario to Boston is C$ 199. On average you can expect to pay C$ 1,026. The most popular route, (Toronto Pearson Intl - Boston Logan Intl), can usually be booked for C$ 298.

  • 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, May is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of C$ 291). Flying from Region of Ontario to Boston in April is currently the most expensive (average of C$ 350). 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
Braintree
Waltham
Somerville
Rockland
Chelsea
Warwick
Milford
Plymouth
Quincy
Revere
Hampton
Old Orchard Beach
Lynn
Merrimack
Andover
Kennebunk
Amherst
Watertown
Seekonk

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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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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 18 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 208AverageC$ 434FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 214AverageC$ 461FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 228AverageC$ 517FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 264AverageC$ 407FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 338AverageC$ 464FlexibilityNo 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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