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Cheap flights from Ontario to Boston from C$ 171

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
17 oct. — 24 oct.1
1 adult
1 adult, Economy

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 17 septiembre 2025.

Round-trip from

C$ 270

One-way from

C$ 171

Popular in

November

Cheapest in

March

Average price

C$ 362

Good round-trip deal

C$ 286 or less

Good one-way deal

C$ 196 or less
Porter Airlines
  • Porter Airlines
  • 25/10-2/11
  • Nonstop
  • 3h 40m total
  • Ontario to Boston
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Porter Airlines
  • Porter Airlines
  • 12/10
  • Nonstop
  • 1h 41m total
  • Ontario to Boston
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Highest demand for flights based on searches. 4% potential increase in price (C$ 25 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 September 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 17 septiembre 2025.

sáb. 25/101:25 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
sáb. 1/117:05 a.m.BOS - YTZ
Nonstop1h 59mPorter Airlines
Deal found 15/9C$ 270
jue. 6/111:10 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
dom. 9/117:05 a.m.BOS - YTZ
Nonstop1h 59mPorter Airlines
Deal found 14/9C$ 271
sáb. 18/104:00 p.m.YYZ - BOS
1 stop5h 25mAir Canada
lun. 20/106:00 a.m.BOS - YYZ
1 stop4h 39mAir Canada
Deal found 16/9C$ 271
mar. 7/109:50 a.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
dom. 12/109:20 a.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 16/9C$ 272
sáb. 11/103:00 p.m.YYZ - BOS
1 stop6h 25mAir Canada
lun. 13/106:00 a.m.BOS - YYZ
1 stop4h 39mAir Canada
Deal found 17/9C$ 272
sáb. 11/105:55 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
dom. 12/108:20 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 15/9C$ 274
vie. 14/1112:10 p.m.YYZ - BOS
2 stops7h 02mAir Canada
dom. 16/116:40 p.m.BOS - YYZ
1 stop5h 24mAir Canada
Deal found 17/9C$ 274
mar. 7/101:00 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
mié. 15/107:15 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 16/9C$ 275
dom. 12/108:15 a.m.YYZ - BOS
Nonstop1h 40mAir Canada
dom. 19/106:00 a.m.BOS - YYZ
Nonstop1h 56mAir Canada
Deal found 16/9C$ 275
vie. 24/105:25 p.m.YTZ - BOS
1 stop4h 01mAir Canada
mar. 28/105:30 a.m.BOS - YTZ
1 stop6h 25mAir Canada
Deal found 15/9C$ 276
vie. 24/108:20 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
mar. 28/106:55 p.m.BOS - YTZ
Nonstop1h 59mPorter Airlines
Deal found 16/9C$ 278
mié. 22/109:50 a.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
dom. 26/107:05 a.m.BOS - YTZ
Nonstop1h 59mPorter Airlines
Deal found 16/9C$ 279

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 17 septiembre 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

lun. 29/9

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

Nonstop1h 41m

Boston Logan Intl

sáb. 18/10

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

Nonstop1h 49m

C$ 319

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

sáb. 4/10

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

Nonstop1h 41m

Boston Logan Intl

sáb. 18/10

6:45 p.m.-8:34 p.m.

Nonstop1h 49m

C$ 319

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

lun. 29/9

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

Nonstop1h 41m

Boston Logan Intl

jue. 16/10

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

Nonstop1h 49m

C$ 319

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

mié. 1/10

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

Nonstop1h 41m

Boston Logan Intl

mar. 14/10

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

Nonstop1h 49m

C$ 319

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

mié. 1/10

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

Nonstop1h 41m

Boston Logan Intl

dom. 5/10

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

Nonstop1h 49m

C$ 325

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

mar. 7/10

6:00 p.m.-10:01 p.m.

1 stop4h 01m

Boston Logan Intl

mié. 22/10

12:15 p.m.-4:34 p.m.

1 stop4h 19m

C$ 326

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

vie. 14/11

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

Nonstop1h 35m

Boston Logan Intl

vie. 14/11

3:30 p.m.-10:23 p.m.

1 stop6h 53m

C$ 330

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

jue. 9/10

7:00 a.m.-11:31 a.m.

1 stop4h 31m

Boston Logan Intl

mar. 14/10

12:15 p.m.-4:34 p.m.

1 stop4h 19m

C$ 330

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

dom. 5/10

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

Nonstop1h 41m

Boston Logan Intl

dom. 12/10

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

Nonstop1h 49m

C$ 332

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

sáb. 4/10

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

Nonstop1h 41m

Boston Logan Intl

vie. 17/10

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

Nonstop1h 49m

C$ 333

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

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$ 292). 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 17 septiembre 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 17 septiembre 2025.

The most flights from CAON to BOS are scheduled on a Monday (15 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 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$ 319, 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$ 171. 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 (65%), Air Canada (56%), Brussels Airlines (54%).

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

    The cheapest flight price from Region of Ontario to Boston is C$ 204. On average you can expect to pay C$ 909. The most popular route, (Toronto Pearson Intl - Boston Logan Intl), can usually be booked for C$ 303.

  • 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$ 292). 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
Hampton
Old Orchard Beach
Lynn
Revere
Merrimack
Kennebunk
Watertown
Lawrence
Sturbridge
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 17 septiembre 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 207AverageC$ 424FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 213AverageC$ 459FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 227AverageC$ 533FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 260AverageC$ 403FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 342AverageC$ 467FlexibilityNo 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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