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Cheap flights from Ontario to Boston from C$ 174

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

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 8 January 2026.

Round-trip from

C$ 292

One-way from

C$ 174

Popular in

January

Cheapest in

March

Average price

C$ 415

Good round-trip deal

C$ 323 or less

Good one-way deal

C$ 158 or less
Porter Airlines
  • Porter Airlines
  • 29/1-1/2
  • 1 total stop
  • 5h 59m total
  • Ontario to Boston
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Porter Airlines
  • Porter Airlines
  • 22/1
  • Nonstop
  • 1h 35m total
  • Ontario to Boston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 37 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
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Average for round-trip flights in January 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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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 8 January 2026.

Thu 29/19:30 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 1/23:30 p.m.BOS - YTZ
1 stop4h 24mPorter Airlines
Deal found 7/1C$ 292
Thu 22/12:15 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Sun 25/16:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Deal found 7/1C$ 292
Thu 22/16:55 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Mon 26/13:30 p.m.BOS - YTZ
1 stop3h 38mPorter Airlines
Deal found 7/1C$ 293
Thu 29/111:00 a.m.YYZ - BOS
1 stop3h 52mAir Canada
Sun 1/23:35 p.m.BOS - YYZ
1 stop6h 09mAir Canada
Deal found 7/1C$ 293
Sun 8/29:30 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Wed 11/26:55 p.m.BOS - YTZ
Nonstop1h 57mPorter Airlines
Deal found 6/1C$ 294
Thu 22/12:05 p.m.YTZ - BOS
1 stop4h 05mPorter Airlines
Sun 25/13:30 p.m.BOS - YTZ
1 stop6h 33mPorter Airlines
Deal found 8/1C$ 296
Fri 20/28:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Tue 24/211:50 a.m.BOS - YTZ
Nonstop1h 57mPorter Airlines
Deal found 7/1C$ 297
Sat 31/11:00 p.m.YYZ - BOS
1 stop6h 42mAir Canada
Mon 2/210:15 a.m.BOS - YYZ
1 stop6h 25mAir Canada
Deal found 7/1C$ 299
Sun 1/22:05 p.m.YTZ - BOS
1 stop4h 05mPorter Airlines
Sat 7/29:00 a.m.BOS - YTZ
Nonstop1h 57mPorter Airlines
Deal found 6/1C$ 300
Wed 28/110:00 a.m.YYZ - BOS
1 stop4h 52mAir Canada
Fri 30/15:30 a.m.BOS - YYZ
1 stop6h 10mAir Canada
Deal found 6/1C$ 300
Mon 26/17:35 a.m.YTZ - BOS
2 stops10h 35mPorter Airlines
Sun 1/23:30 p.m.BOS - YTZ
1 stop4h 24mPorter Airlines
Deal found 7/1C$ 303
Tue 27/18:20 a.m.YYZ - BOS
Nonstop1h 42mAir Canada
Thu 29/110:45 a.m.BOS - YYZ
Nonstop2h 03mAir Canada
Deal found 7/1C$ 305

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 8 January 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

YTZ - BOS

YTZBOS

Toronto Island

Thu 22/1

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

1 stop4h 05m

Boston Logan Intl

Sun 25/1

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

1 stop6h 33m

C$ 293

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 19/2

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

Nonstop1h 35m

Boston Logan Intl

Thu 26/2

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

Nonstop1h 57m

C$ 293

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sun 8/2

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

1 stop4h 05m

Boston Logan Intl

Wed 11/2

2:30 p.m.-7:54 p.m.

1 stop5h 24m

C$ 293

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 13/3

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

Nonstop1h 35m

Boston Logan Intl

Sun 15/3

1:25 p.m.-3:24 p.m.

Nonstop1h 59m

C$ 293

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 7/2

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

Nonstop1h 35m

Boston Logan Intl

Thu 16/4

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

1 stop6h 33m

C$ 293

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 30/1

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

1 stop4h 05m

Boston Logan Intl

Mon 2/2

3:30 p.m.-8:04 p.m.

1 stop4h 34m

C$ 294

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 2/4

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

Nonstop1h 35m

Boston Logan Intl

Mon 6/4

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

1 stop6h 33m

C$ 294

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 6/2

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

Nonstop1h 35m

Boston Logan Intl

Fri 20/2

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

1 stop4h 33m

C$ 296

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 14/2

4:30 p.m.-6:05 p.m.

Nonstop1h 35m

Boston Logan Intl

Tue 17/2

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

Nonstop1h 57m

C$ 296

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 14/2

7:00 a.m.-2:52 p.m.

1 stop7h 52m

Boston Logan Intl

Sun 22/2

5:30 a.m.-11:40 a.m.

1 stop6h 10m

C$ 326

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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$ 182). Flying from Region of Ontario to Boston in August is currently the most expensive (average of C$ 282). 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 8 January 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 60% 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 3 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 8 January 2026.

The most flights from CAON to BOS are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (9 on average).

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

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$ 368, Porter Airlines can have you in Boston from Region of Ontario in 3h 50m. 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$ 154. 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: TAP AIR PORTUGAL (68%), Jazz (66%), Air Canada (60%).

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

    The cheapest flight price from Region of Ontario to Boston is C$ 267. 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$ 326.

  • 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$ 182). Flying from Region of Ontario to Boston in August is currently the most expensive (average of C$ 282). 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
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
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Sydney to Boston flights
Pearson Intl to Nantucket flights
Toronto Island to Nantucket flights
Toronto Island to West Tisbury 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 8 January 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 207AverageC$ 407FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 264AverageC$ 392FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 303AverageC$ 598FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 322AverageC$ 424FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 349AverageC$ 466FlexibilityNo 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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