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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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 280

One-way from

C$ 174

Popular in

December

Cheapest in

March

Average price

C$ 358

Good round-trip deal

C$ 299 or less

Good one-way deal

C$ 174 or less
Porter Airlines
  • Porter Airlines
  • 7/7-9/7
  • 1 total stop
  • 5h 53m total
  • Ontario to Boston
Porter Airlines
  • Porter Airlines
  • 23/6
  • 1 total stop
  • 6h 08m total
  • Ontario to Boston
Highest demand for flights based on searches. 6% potential increase in price (C$ 33 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease (C$ 5 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Ontario to Boston Logan Intl.
Price to beat on a one-way flight from Ontario to Boston Logan Intl.

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 12 June 2025.

Fri 20/612:00 p.m.YTZ - BOS
1 stop6h 08mPorter Airlines
Tue 24/610:10 a.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 10/6C$ 280
Sun 7/98:15 a.m.YYZ - BOS
Nonstop1h 40mAir Canada
Thu 18/96:00 a.m.BOS - YYZ
1 stop4h 39mAir Canada
Deal found 11/6C$ 282
Wed 3/99:10 a.m.YYZ - BOS
2 stops9h 18mPorter Airlines
Tue 9/93:30 p.m.BOS - YYZ
2 stops14h 08mPorter Airlines
Deal found 11/6C$ 304
Fri 20/66:00 p.m.YYZ - BOS
1 stop4h 24mUnited Airlines
Tue 24/63:16 p.m.BOS - YYZ
1 stop8h 42mUnited Airlines
Deal found 10/6C$ 327
Fri 25/74:10 p.m.YTZ - BOS
2 stops5h 46mAir Canada
Fri 1/85:50 a.m.BOS - YTZ
2 stops5h 41mAir Canada
Deal found 10/6C$ 328
Thu 10/77:50 p.m.YTZ - BOS
Nonstop1h 41mMultiple Airlines
Thu 17/76:00 a.m.BOS - YTZ
1 stop11h 43mMultiple Airlines
Deal found 10/6C$ 335
Tue 15/73:25 p.m.YYZ - BOS
1 stop6h 54mAmerican Airlines
Tue 22/74:40 p.m.BOS - YYZ
1 stop6h 25mAmerican Airlines
Deal found 11/6C$ 336
Thu 7/811:00 a.m.YOW - BOS
1 stop3h 41mPorter Airlines
Mon 11/88:45 a.m.BOS - YOW
1 stop4h 13mPorter Airlines
Deal found 10/6C$ 342
Thu 24/710:45 a.m.YUL - BOS
1 stop5h 56mPorter Airlines
Mon 28/78:45 a.m.BOS - YUL
1 stop5h 05mPorter Airlines
Deal found 11/6C$ 357
Thu 17/78:10 a.m.YUL - BOS
Nonstop1h 25mAir Canada
Sun 20/710:20 a.m.BOS - YUL
Nonstop1h 25mAir Canada
Deal found 11/6C$ 360
Fri 20/610:45 a.m.YUL - BOS
1 stop5h 56mMultiple Airlines
Sun 22/65:50 a.m.BOS - YUL
Nonstop1h 25mMultiple Airlines
Deal found 10/6C$ 362
Thu 10/76:04 a.m.YYZ - BOS
1 stop4h 51mDelta
Mon 14/712:00 p.m.BOS - YYZ
1 stop6h 09mDelta
Deal found 10/6C$ 375

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 12 June 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

Fri 20/6

12:00 p.m.-6:08 p.m.

1 stop6h 08m

Boston Logan Intl

Tue 24/6

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

Nonstop1h 49m

C$ 280

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sun 7/9

8:15 a.m.-9:55 a.m.

Nonstop1h 40m

Boston Logan Intl

Thu 18/9

6:00 a.m.-10:39 a.m.

1 stop4h 39m

C$ 282

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Wed 3/9

9:10 a.m.-6:28 p.m.

2 stops9h 18m

Boston Logan Intl

Tue 9/9

3:30 p.m.-5:38 a.m.

2 stops14h 08m

C$ 304

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 25/7

4:10 p.m.-9:56 p.m.

2 stops5h 46m

Boston Logan Intl

Fri 1/8

5:50 a.m.-11:31 a.m.

2 stops5h 41m

C$ 328

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 10/7

7:50 p.m.-9:31 p.m.

Nonstop1h 41m

Boston Logan Intl

Thu 17/7

6:00 a.m.-5:43 p.m.

1 stop11h 43m

C$ 335

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Tue 15/7

3:25 p.m.-10:19 p.m.

1 stop6h 54m

Boston Logan Intl

Tue 22/7

4:40 p.m.-11:05 p.m.

1 stop6h 25m

C$ 336

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Thu 7/8

11:00 a.m.-2:41 p.m.

1 stop3h 41m

Boston Logan Intl

Mon 11/8

8:45 a.m.-12:58 p.m.

1 stop4h 13m

C$ 342

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 14/8

7:30 a.m.-1:43 p.m.

1 stop6h 13m

Boston Logan Intl

Wed 20/8

3:18 p.m.-11:58 p.m.

1 stop8h 40m

C$ 346

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Fri 25/7

9:35 a.m.-6:08 p.m.

2 stops8h 33m

Boston Logan Intl

Sun 27/7

6:40 p.m.-8:05 p.m.

Nonstop1h 25m

C$ 355

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 24/7

2:30 p.m.-9:31 p.m.

1 stop7h 01m

Boston Logan Intl

Sun 27/7

12:15 p.m.-6:05 p.m.

1 stop5h 50m

C$ 357

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 56 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 12 June 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 12 June 2025.

The most flights from CAON to BOS are scheduled on a Thursday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 mm per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated 12 June 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Delta and Air Transat from Ontario to Boston to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
8.0
Very good

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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.

  • 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$ 174. 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?

  • 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 (74%), United Airlines (68%), Air Canada (62%).

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

    The cheapest flight price from Region of Ontario to Boston is C$ 192. On average you can expect to pay C$ 449. The most popular route, (Toronto Pearson Intl - Boston Logan Intl), can usually be booked for C$ 302.

  • 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Seekonk
Waltham
Medford
Braintree
Somerville
Dedham
Rockland
Chelsea
Warwick
Milford
Plymouth
Quincy
Old Orchard Beach
Revere
Hampton
Lynn
Merrimack
Andover
Watertown
Kennebunk

Browse thousands of different options on Cheapflights for your next trip

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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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 206AverageC$ 398FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 225AverageC$ 499FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 228AverageC$ 456FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 265AverageC$ 397FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 335AverageC$ 459FlexibilityNo 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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