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Cheap flights from Massachusetts to Ontario from C$ 146

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.
BOS — YYZ
17 jun. — 24 jun.1
1 adult

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 12 junio 2025.

Round-trip from

C$ 302

One-way from

C$ 146

Popular in

November

Cheapest in

July

Average price

C$ 406

Good round-trip deal

C$ 357 or less

Good one-way deal

C$ 155 or less
Air Canada
  • Air Canada
  • 3/7-10/7
  • Nonstop
  • 3h 38m total
  • Massachusetts to Ontario
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Porter Airlines
  • Porter Airlines
  • 25/6
  • Nonstop
  • 1h 28m total
  • Massachusetts to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Massachusetts to Ontario.
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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 12 junio 2025.

jue. 3/76:00 a.m.BOS - YYZ
Nonstop1h 55mAir Canada
jue. 10/79:45 a.m.YYZ - BOS
Nonstop1h 43mAir Canada
Deal found 9/6C$ 302
jue. 10/78:45 a.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
lun. 14/73:00 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 11/6C$ 302
vie. 18/75:50 a.m.BOS - YTZ
2 stops5h 41mMultiple Airlines
vie. 25/71:00 p.m.YTZ - BOS
Nonstop1h 41mMultiple Airlines
Deal found 11/6C$ 305
mié. 29/109:45 a.m.BOS - YYZ
1 stop4h 30mPorter Airlines
dom. 2/112:00 p.m.YYZ - BOS
1 stop4h 15mPorter Airlines
Deal found 12/6C$ 314
vie. 20/65:25 p.m.BOS - YUL
1 stop4h 50mPorter Airlines
sáb. 21/610:45 a.m.YUL - BOS
1 stop4h 21mPorter Airlines
Deal found 11/6C$ 345
sáb. 29/116:00 a.m.BOS - YTZ
1 stop5h 50mAir Canada
vie. 12/1210:25 a.m.YTZ - BOS
1 stop4h 13mAir Canada
Deal found 10/6C$ 351
mar. 2/126:30 p.m.BOS - YYZ
1 stop4h 14mDelta
mar. 9/127:59 a.m.YYZ - BOS
1 stop7h 23mDelta
Deal found 10/6C$ 361
jue. 25/93:30 p.m.BOS - YOW
Nonstop1h 28mPorter Airlines
lun. 29/95:00 p.m.YOW - BOS
Nonstop1h 28mPorter Airlines
Deal found 11/6C$ 362
mié. 9/75:30 a.m.BOS - YYZ
1 stop8h 49mUnited Airlines
mié. 9/75:15 p.m.YYZ - BOS
1 stop6h 17mUnited Airlines
Deal found 9/6C$ 364
mié. 9/76:40 p.m.BOS - YUL
Nonstop1h 25mAir Canada
lun. 21/78:10 a.m.YUL - BOS
Nonstop1h 25mAir Canada
Deal found 10/6C$ 366
jue. 10/75:25 p.m.BOS - YUL
1 stop4h 50mMultiple Airlines
lun. 14/78:30 p.m.YUL - BOS
Nonstop1h 26mMultiple Airlines
Deal found 12/6C$ 371
mié. 2/712:15 p.m.BOS - YTZ
Nonstop1h 49mAir Transat
vie. 4/77:50 p.m.YTZ - BOS
Nonstop1h 41mAir Transat
Deal found 10/6C$ 390

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 12 junio 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 - YYZ

BOSYYZ

Boston Logan Intl

jue. 3/7

6:00 a.m.-7:55 a.m.

Nonstop1h 55m

Toronto Pearson Intl

jue. 10/7

9:45 a.m.-11:28 a.m.

Nonstop1h 43m

C$ 302

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

jue. 10/7

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

Nonstop1h 49m

Toronto Island

lun. 14/7

3:00 p.m.-4:41 p.m.

Nonstop1h 41m

C$ 302

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

vie. 18/7

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

2 stops5h 41m

Toronto Island

vie. 25/7

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

Nonstop1h 41m

C$ 305

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

jue. 4/9

6:55 p.m.-1:50 a.m.

1 stop6h 55m

Montreal Pierre Elliott Trudeau Intl

vie. 5/9

1:05 p.m.-2:30 p.m.

Nonstop1h 25m

C$ 345

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

dom. 22/6

9:20 a.m.-1:50 p.m.

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

sáb. 28/6

2:30 p.m.-7:36 p.m.

1 stop5h 06m

C$ 347

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

lun. 1/9

10:20 a.m.-4:46 p.m.

1 stop6h 26m

Toronto Island

mié. 3/9

8:50 a.m.-2:30 p.m.

2 stops5h 40m

C$ 357

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

jue. 25/9

3:30 p.m.-4:58 p.m.

Nonstop1h 28m

Ottawa

lun. 29/9

5:00 p.m.-6:28 p.m.

Nonstop1h 28m

C$ 362

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

mié. 9/7

5:30 a.m.-2:19 p.m.

1 stop8h 49m

Toronto Pearson Intl

mié. 9/7

5:15 p.m.-11:32 p.m.

1 stop6h 17m

C$ 364

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

vie. 3/10

6:00 a.m.-7:25 a.m.

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

mié. 8/10

10:45 a.m.-2:41 p.m.

1 stop3h 56m

C$ 364

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

mié. 25/6

12:00 p.m.-4:14 p.m.

1 stop4h 14m

Toronto Pearson Intl

lun. 30/6

6:15 a.m.-2:20 p.m.

1 stop8h 05m

C$ 383

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

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$ 167). Flying from Massachusetts to Region of Ontario in July is currently the most expensive (average of C$ 255). 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 12 junio 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 12 junio 2025.

The most flights from USMA to CAON are scheduled on a Wednesday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 12 junio 2025.
Read reviews from past customers who have flown Porter Airlines, Delta and Air Transat from Massachusetts to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.1

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!!!
Porter Airlines
8.0
Very good
288 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.1

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!!!
Delta
8.0
Very good
7,946 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.1

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!!!
Air Transat
7.8
Good
396 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.1

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!!!
Aeromexico
7.5
Good
1,706 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.1

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!!!
United Airlines
7.4
Good
8,790 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.1

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 Massachusetts to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 146. Air Canada flights start at C$ 152 while deals on Air Transat start at C$ 154 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$ 167). Flying from Massachusetts to Region of Ontario in July is currently the most expensive (average of C$ 255). 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

Browse thousands of different options on Cheapflights for your next trip

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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.
Newark to Pearson Intl flights
Newark to Toronto Island flights
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San Francisco to Pierre Elliott Trudeau Intl flights
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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 12 junio 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 205AverageC$ 473FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 291AverageC$ 459FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 340AverageC$ 526FlexibilityNo 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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