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Cheap flights from Massachusetts to Ontario from C$ 140

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 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Massachusetts to Ontario

Keep the following information in mind while searching for Massachusetts to Ontario flight deals. Data was last updated 15 September 2025.

Round-trip from

C$ 291

One-way from

C$ 140

Popular in

November

Cheapest in

March

Average price

C$ 394

Good round-trip deal

C$ 377 or less

Good one-way deal

C$ 249 or less
Porter Airlines
  • Porter Airlines
  • 5/12-8/12
  • Nonstop
  • 3h 34m total
  • Massachusetts to Ontario
Search Deals
Air Canada
  • Air Canada
  • 22/11
  • 2 total stops
  • 6h 10m total
  • Massachusetts to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Massachusetts to Ontario.
Search Deals
Price to beat on a one-way flight from Massachusetts to Ontario.
Search Deals

Find flight deals from Massachusetts to Ontario

Cheapest flights from Massachusetts to Ontario
Explore the most affordable flight options available from Massachusetts to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Sat 4/106:55 p.m.BOS - YYZ
Nonstop1h 52mAir Canada
Mon 6/108:55 p.m.YYZ - BOS
Nonstop1h 44mAir Canada
Deal found 13/9C$ 295
Sat 4/107:15 a.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Mon 6/108:20 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 13/9C$ 295
Thu 16/108:45 a.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Sun 19/109:50 a.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 14/9C$ 296
Wed 15/106:00 a.m.BOS - YYZ
1 stop5h 39mAir Canada
Sun 19/108:15 a.m.YYZ - BOS
Nonstop1h 40mAir Canada
Deal found 12/9C$ 298
Tue 4/111:25 p.m.BOS - YTZ
Nonstop1h 59mPorter Airlines
Sun 9/118:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 13/9C$ 298
Tue 14/107:15 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Tue 21/101:00 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 14/9C$ 299
Sat 4/107:15 a.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Wed 8/101:00 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 13/9C$ 300
Sat 1/117:05 a.m.BOS - YTZ
Nonstop1h 59mPorter Airlines
Mon 3/118:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 13/9C$ 302
Sat 4/1010:20 a.m.BOS - YTZ
1 stop4h 25mAir Canada
Mon 6/105:25 p.m.YTZ - BOS
1 stop4h 00mAir Canada
Deal found 13/9C$ 305
Sat 25/1010:40 a.m.BOS - YYZ
Nonstop1h 55mAir Canada
Sat 1/112:15 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Deal found 13/9C$ 306
Thu 9/106:00 a.m.BOS - YYZ
1 stop4h 39mAir Canada
Sun 12/108:15 a.m.YYZ - BOS
Nonstop1h 40mAir Canada
Deal found 14/9C$ 307
Fri 17/1012:15 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Sun 19/109:50 a.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 13/9C$ 309

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to Ontario 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 15 September 2025.
Use the filters below to find and compare flights from Massachusetts to Ontario that are best for you.

Fly from

Massachusetts

Fly to

Ontario

Route

Depart

Return

Price

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 30/10

5:30 a.m.-11:55 a.m.

1 stop6h 25m

Toronto Island

Thu 6/11

10:30 a.m.-2:52 p.m.

1 stop4h 22m

C$ 306

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 16/10

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

Nonstop1h 49m

Toronto Island

Sun 19/10

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

Nonstop1h 41m

C$ 307

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 17/10

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

1 stop3h 33m

Toronto Island

Tue 21/10

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

Nonstop1h 41m

C$ 313

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 24/10

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

Nonstop1h 49m

Toronto Island

Sun 26/10

8:00 a.m.-9:35 a.m.

Nonstop1h 35m

C$ 316

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 14/10

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

1 stop3h 33m

Toronto Island

Tue 21/10

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

Nonstop1h 41m

C$ 320

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 2/10

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

Nonstop1h 49m

Toronto Island

Mon 6/10

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

Nonstop1h 41m

C$ 321

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 13/10

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

Nonstop1h 49m

Toronto Island

Mon 20/10

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

Nonstop1h 41m

C$ 329

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 4/10

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

Nonstop1h 49m

Toronto Island

Tue 7/10

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

Nonstop1h 41m

C$ 331

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 4/10

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

1 stop4h 39m

Toronto Pearson Intl

Mon 6/10

5:00 p.m.-9:25 p.m.

1 stop4h 25m

C$ 334

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 28/10

10:45 a.m.-12:48 p.m.

Nonstop2h 03m

Toronto Pearson Intl

Tue 4/11

2:15 p.m.-3:57 p.m.

Nonstop1h 42m

C$ 338

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

Showing 1-10 of 60 results
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Best time to book a flight from Massachusetts to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Massachusetts 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 Massachusetts to Ontario

What is the cheapest month to book a flight from Massachusetts to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of C$ 169). Flying from Massachusetts to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 MA to ON?

Find hourly flight availability from Massachusetts to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

When flying from Massachusetts to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Massachusetts to Region of Ontario

Explore weekly flight availability from Massachusetts to Ontario. 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 15 September 2025.

The most flights from USMA to CAON are scheduled on a Friday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 15 September 2025.
See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Massachusetts to Ontario have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Food

7.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Food

7.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Food

7.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,929 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Food

7.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Food

7.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Massachusetts to Region of Ontario?

    There are many flights that can get you from Massachusetts to Region of Ontario in 1h 49m. Fly via Porter Airlines, Air Canada, or United Airlines to get the fastest option. The distance between Massachusetts and Region of Ontario is about 695 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Massachusetts to Region of Ontario one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 141. Porter Airlines flights start at C$ 149 while deals on WestJet start at C$ 197 one-way.

  • Can I find deals for flights from Massachusetts to Ontario that include hotel bookings?

    Yes. In addition to deals on Massachusetts to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Massachusetts to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Ontario.

  • Can I find deals for business class flights from Massachusetts to Ontario?

    Yes. Cheapflights offers flight deals from Massachusetts to Ontario 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 Massachusetts to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of C$ 169). Flying from Massachusetts to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

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Alternative routes for Massachusetts to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Massachusetts to Ontario

Discover the top 3 airlines that operate flights from Massachusetts to Ontario. 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 271AverageC$ 470FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 304AverageC$ 475FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 344AverageC$ 543FlexibilityNo 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 Massachusetts to Ontario?

Cheapflights makes it easy to find Massachusetts to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Massachusetts to Ontario?

Cheapflights simply makes it quick and affordable to book flights from Massachusetts to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Massachusetts to Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from Massachusetts to Ontario with no change fees.

Can Cheapflights notify me if prices for flights from Massachusetts to Ontario become cheaper?

Of course! You can now track prices for flights from Massachusetts to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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