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Cheap flights from Massachusetts to Ontario from C$ 147

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
2 Apr — 9 Apr1
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 28 March 2025.

Round-trip from

C$ 286

One-way from

C$ 147

Popular in

November

Cheapest in

September

Average price

C$ 442

Good round-trip deal

C$ 329 or less

Good one-way deal

C$ 174 or less
Air Canada
  • Air Canada
  • 10/4-13/4
  • 2 total stops
  • 12h 40m total
  • Massachusetts to Ontario
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Air Transat
  • Air Transat
  • 12/4
  • Nonstop
  • 1h 59m total
  • Massachusetts to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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.
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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 28 March 2025.

Thu 10/44:10 p.m.BOS - YTZ
1 stop6h 13mMultiple Airlines
Sun 13/410:25 a.m.YTZ - BOS
1 stop6h 27mMultiple Airlines
Deal found 27/3C$ 286
Fri 11/48:35 p.m.BOS - YYZ
1 stop27h 20mMultiple Airlines
Sun 13/47:05 a.m.YYZ - BOS
1 stop27h 22mMultiple Airlines
Deal found 27/3C$ 287
Thu 10/410:20 a.m.BOS - YTZ
Nonstop1h 59mPorter Airlines
Sun 13/411:40 a.m.YTZ - BOS
Nonstop1h 40mPorter Airlines
Deal found 27/3C$ 293
Thu 10/46:10 a.m.BOS - YYZ
Nonstop2h 01mAir Canada
Sun 13/48:00 a.m.YYZ - BOS
Nonstop1h 41mAir Canada
Deal found 27/3C$ 317
Fri 11/47:05 a.m.BOS - YTZ
Nonstop1h 59mAir Transat
Tue 15/41:45 p.m.YTZ - BOS
Nonstop1h 40mAir Transat
Deal found 27/3C$ 320
Sat 10/512:15 p.m.BOS - YUL
1 stop5h 40mMultiple Airlines
Sat 17/58:40 p.m.YUL - BOS
Nonstop1h 24mMultiple Airlines
Deal found 26/3C$ 333
Fri 11/46:35 a.m.BOS - YTZ
1 stop5h 12mAir Canada
Tue 15/48:25 a.m.YTZ - BOS
1 stop6h 32mAir Canada
Deal found 27/3C$ 354
Sat 3/56:00 a.m.BOS - YUL
Nonstop1h 15mAir Canada
Sat 24/58:10 a.m.YUL - BOS
Nonstop1h 25mAir Canada
Deal found 26/3C$ 359
Thu 1/511:05 a.m.BOS - YUL
1 stop4h 55mPorter Airlines
Sun 4/52:30 p.m.YUL - BOS
1 stop5h 06mPorter Airlines
Deal found 27/3C$ 369
Thu 10/46:10 a.m.BOS - YYZ
Nonstop2h 01mUnited Airlines
Sun 13/48:00 a.m.YYZ - BOS
Nonstop1h 41mUnited Airlines
Deal found 27/3C$ 373
Mon 12/511:05 a.m.BOS - YOW
1 stop5h 28mMultiple Airlines
Mon 19/511:05 a.m.YOW - BOS
1 stop3h 27mMultiple Airlines
Deal found 28/3C$ 376
Wed 21/53:50 p.m.BOS - YOW
Nonstop1h 28mPorter Airlines
Sun 25/54:40 p.m.YOW - BOS
Nonstop1h 28mPorter Airlines
Deal found 27/3C$ 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 28 March 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 10/4

4:10 p.m.-10:23 p.m.

1 stop6h 13m

Toronto Island

Sun 13/4

10:25 a.m.-4:52 p.m.

1 stop6h 27m

C$ 286

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 11/4

8:35 p.m.-11:55 p.m.

1 stop27h 20m

Toronto Pearson Intl

Sun 13/4

7:05 a.m.-10:27 a.m.

1 stop27h 22m

C$ 287

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 10/4

10:20 a.m.-12:19 p.m.

Nonstop1h 59m

Toronto Island

Sun 13/4

11:40 a.m.-1:20 p.m.

Nonstop1h 40m

C$ 293

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 10/4

6:10 a.m.-8:11 a.m.

Nonstop2h 01m

Toronto Pearson Intl

Sun 13/4

8:00 a.m.-9:41 a.m.

Nonstop1h 41m

C$ 317

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 11/4

7:05 a.m.-9:04 a.m.

Nonstop1h 59m

Toronto Island

Tue 15/4

1:45 p.m.-3:25 p.m.

Nonstop1h 40m

C$ 320

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 10/5

12:15 p.m.-5:55 p.m.

1 stop5h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 17/5

8:40 p.m.-10:04 p.m.

Nonstop1h 24m

C$ 333

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 11/4

6:35 a.m.-11:47 a.m.

1 stop5h 12m

Toronto Island

Tue 15/4

8:25 a.m.-2:57 p.m.

1 stop6h 32m

C$ 354

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 3/5

6:00 a.m.-7:15 a.m.

Nonstop1h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 24/5

8:10 a.m.-9:35 a.m.

Nonstop1h 25m

C$ 359

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 1/5

11:05 a.m.-4:00 p.m.

1 stop4h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 4/5

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

1 stop5h 06m

C$ 369

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 10/4

6:10 a.m.-8:11 a.m.

Nonstop2h 01m

Toronto Pearson Intl

Sun 13/4

8:00 a.m.-9:41 a.m.

Nonstop1h 41m

C$ 373

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/3

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$ 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 28 March 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.

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 28 March 2025.
Read reviews from past customers who have flown Delta, Porter Airlines 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.
Delta
8.0
Very good
7,897 reviews
Check prices

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
7.9
Good
276 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 Air Transat, which is currently one of the cheapest options available, starting at C$ 147. United Airlines flights start at C$ 152 while deals on Porter Airlines 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$ 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

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.
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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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 267AverageC$ 496FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 272AverageC$ 539FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 356AverageC$ 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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