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$ 144. American Airlines flights start at C$ 148 while deals on Porter Airlines start at C$ 150 one-way.

How far in advance should I book a flight from Massachusetts to Region of Ontario?

To save on the cost of your flight from Massachusetts to Region of Ontario, book at least 51 days before your planned departure. Booking around this time can save you about 97% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 462 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 871.

What is the cheapest month to fly from Massachusetts to Region of Ontario?

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, March can be a great choice for travel to Region of Ontario. Flights to Region of Ontario from Massachusetts in March are about C$ 453 on average during March, but can be found for as low as C$ 262.

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.

C$ 144+ Flights from Massachusetts to Ontario

Cheap flight deals from Massachusetts to Ontario

Round-trip from	C$ 287
One-way from	C$ 144
Popular in	November
Cheapest in	March
Average price	C$ 484
Good round-trip deal	C$ 312 or less
Good one-way deal	C$ 154 or less

2/6-10/6
2 total stops
39h 15m total
Massachusetts to Ontario

Search Deals

29/5
1 total stop
8h 33m total
Massachusetts to Ontario

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (C$ 59 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 17 April 2025.

Mon 2/63:49 p.m.BOS - YYZ

1 stop22h 16mMultiple Airlines

Tue 10/66:30 a.m.YYZ - BOS

1 stop16h 59mMultiple Airlines

Deal found 17/4C$ 287

Tue 13/59:45 a.m.BOS - YUL

1 stop4h 05mPorter Airlines

Sat 17/510:45 a.m.YUL - BOS

1 stop4h 21mPorter Airlines

Deal found 16/4C$ 290

Wed 21/55:50 a.m.BOS - YTZ

1 stop5h 57mMultiple Airlines

Tue 27/512:00 p.m.YTZ - BOS

1 stop6h 08mMultiple Airlines

Deal found 17/4C$ 293

Wed 7/59:45 a.m.BOS - YTZ

Nonstop1h 49mPorter Airlines

Wed 14/59:50 a.m.YTZ - BOS

Nonstop1h 41mPorter Airlines

Deal found 16/4C$ 297

Wed 14/510:20 a.m.BOS - YUL

Nonstop1h 25mMultiple Airlines

Sun 18/52:30 p.m.YUL - BOS

1 stop7h 01mMultiple Airlines

Deal found 16/4C$ 299

Sat 17/53:50 p.m.BOS - YOW

Nonstop1h 28mPorter Airlines

Sat 24/59:35 a.m.YOW - BOS

1 stop5h 31mPorter Airlines

Deal found 17/4C$ 320

Wed 14/55:50 a.m.BOS - YYZ

1 stop4h 49mAir Canada

Sat 17/58:55 p.m.YYZ - BOS

Nonstop1h 43mAir Canada

Deal found 16/4C$ 329

Thu 8/510:20 a.m.BOS - YUL

Nonstop1h 25mAir Canada

Sun 11/51:05 p.m.YUL - BOS

Nonstop1h 27mAir Canada

Deal found 17/4C$ 329

Thu 8/55:50 a.m.BOS - YOW

1 stop4h 35mMultiple Airlines

Sun 11/53:25 p.m.YOW - BOS

1 stop6h 06mMultiple Airlines

Deal found 17/4C$ 331

Fri 13/63:54 p.m.BDL - YYZ

1 stop22h 11mMultiple Airlines

Sun 15/66:30 a.m.YYZ - BDL

1 stop26h 39mMultiple Airlines

Deal found 16/4C$ 340

Tue 20/55:50 a.m.BOS - YTZ

2 stops5h 42mAir Canada

Wed 21/58:50 a.m.YTZ - BOS

2 stops5h 42mAir Canada

Deal found 17/4C$ 344

Thu 8/510:20 a.m.BOS - YUL

Nonstop1h 25mSWISS

Sun 11/58:10 a.m.YUL - BOS

Nonstop1h 25mSWISS

Deal found 16/4C$ 367

Best flights from Massachusetts to Ontario
Discover carefully curated flight deals from Massachusetts to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 April 2025.

Mon 2/63:49 p.m.BOS - YYZ

1 stop22h 16mMultiple Airlines

Tue 10/66:30 a.m.YYZ - BOS

1 stop16h 59mMultiple Airlines

Deal found 17/4C$ 287

Tue 13/59:45 a.m.BOS - YUL

1 stop4h 05mPorter Airlines

Sat 17/510:45 a.m.YUL - BOS

1 stop4h 21mPorter Airlines

Deal found 16/4C$ 290

Thu 8/510:20 a.m.BOS - YUL

Nonstop1h 25mAir Canada

Sun 11/51:05 p.m.YUL - BOS

Nonstop1h 27mAir Canada

Deal found 17/4C$ 329

Thu 8/510:20 a.m.BOS - YUL

Nonstop1h 25mSWISS

Sun 11/58:10 a.m.YUL - BOS

Nonstop1h 25mSWISS

Deal found 16/4C$ 367

Fri 16/55:50 a.m.BOS - YUL

Nonstop1h 25mUnited Airlines

Tue 20/58:10 a.m.YUL - BOS

Nonstop1h 25mUnited Airlines

Deal found 16/4C$ 370

Thu 8/53:20 p.m.BOS - YUL

Nonstop1h 24mLufthansa

Sun 11/58:10 a.m.YUL - BOS

Nonstop1h 25mLufthansa

Deal found 16/4C$ 388

Wed 14/510:00 a.m.BOS - YYZ

1 stop7h 59mDelta

Sat 17/510:20 a.m.YYZ - BOS

1 stop8h 06mDelta

Deal found 17/4C$ 398

Sat 3/55:05 p.m.BOS - YYZ

1 stop18h 50mAmerican Airlines

Thu 8/510:35 a.m.YYZ - BOS

1 stop7h 47mAmerican Airlines

Deal found 17/4C$ 469

Wed 21/55:50 a.m.BOS - YTZ

1 stop5h 57mMultiple Airlines

Tue 27/512:00 p.m.YTZ - BOS

1 stop6h 08mMultiple Airlines

Deal found 17/4C$ 293

Wed 7/59:45 a.m.BOS - YTZ

Nonstop1h 49mPorter Airlines

Wed 14/59:50 a.m.YTZ - BOS

Nonstop1h 41mPorter Airlines

Deal found 16/4C$ 297

Sun 1/66:00 a.m.ALB - YYZ

1 stop26h 58mWestJet

Sun 8/66:30 a.m.YYZ - ALB

1 stop16h 44mWestJet

Deal found 17/4C$ 595

Wed 14/510:20 a.m.BOS - YUL

Nonstop1h 25mMultiple Airlines

Sun 18/52:30 p.m.YUL - BOS

1 stop7h 01mMultiple Airlines

Deal found 16/4C$ 299

Direct flights from Massachusetts to Ontario
Explore direct flight options from Massachusetts to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 April 2025.

Wed 7/59:45 a.m.BOS - YTZ

Nonstop1h 49mPorter Airlines

Wed 14/59:50 a.m.YTZ - BOS

Nonstop1h 41mPorter Airlines

Deal found 16/4C$ 297

Thu 15/55:50 a.m.BOS - YUL

Nonstop1h 25mAir Canada

Sun 18/58:10 a.m.YUL - BOS

Nonstop1h 25mAir Canada

Deal found 15/4C$ 318

Fri 30/53:50 p.m.BOS - YOW

Nonstop1h 28mPorter Airlines

Sun 1/64:40 p.m.YOW - BOS

Nonstop1h 28mPorter Airlines

Deal found 16/4C$ 323

Sat 31/56:00 a.m.BOS - YYZ

Nonstop1h 54mAir Canada

Sat 7/68:15 a.m.YYZ - BOS

Nonstop1h 40mAir Canada

Deal found 16/4C$ 341

Wed 14/512:15 p.m.BOS - YTZ

Nonstop1h 49mMultiple Airlines

Wed 21/57:50 p.m.YTZ - BOS

Nonstop1h 41mMultiple Airlines

Deal found 16/4C$ 354

Sat 31/53:50 p.m.BOS - YOW

Nonstop1h 28mMultiple Airlines

Mon 2/68:55 a.m.YOW - BOS

Nonstop1h 28mMultiple Airlines

Deal found 16/4C$ 362

Thu 8/510:20 a.m.BOS - YUL

Nonstop1h 25mSWISS

Sun 11/58:10 a.m.YUL - BOS

Nonstop1h 25mSWISS

Deal found 16/4C$ 367

Thu 8/510:20 a.m.BOS - YUL

Nonstop1h 25mLufthansa

Sun 11/51:05 p.m.YUL - BOS

Nonstop1h 27mLufthansa

Deal found 17/4C$ 369

Fri 16/55:50 a.m.BOS - YUL

Nonstop1h 25mUnited Airlines

Tue 20/58:10 a.m.YUL - BOS

Nonstop1h 25mUnited Airlines

Deal found 16/4C$ 370

Wed 21/56:00 a.m.BOS - YYZ

Nonstop1h 54mUnited Airlines

Wed 28/52:05 p.m.YYZ - BOS

Nonstop1h 43mUnited Airlines

Deal found 16/4C$ 379

Fri 2/58:20 p.m.BOS - YTZ

Nonstop1h 49mAir Transat

Sun 4/59:50 a.m.YTZ - BOS

Nonstop1h 41mAir Transat

Deal found 17/4C$ 433

Fri 11/75:50 a.m.BOS - YUL

Nonstop1h 25mMultiple Airlines

Wed 16/74:30 p.m.YUL - BOS

Nonstop1h 30mMultiple Airlines

Deal found 16/4C$ 448

Last-minute flights from Massachusetts to Ontario
Discover last-minute flight deals from Massachusetts to Ontario. Data last updated 17 April 2025 and is based on user searches.

Thu 24/47:05 a.m.BOS - YUL

1 stop4h 10mPorter Airlines

Thu 1/510:45 a.m.YUL - BOS

1 stop4h 21mPorter Airlines

Deal found 17/4C$ 441

Thu 24/49:00 a.m.BOS - YYZ

1 stop8h 59mDelta

Thu 8/56:15 a.m.YYZ - BOS

1 stop5h 06mDelta

Deal found 17/4C$ 531

Fri 25/47:48 p.m.BOS - YYZ

1 stop17h 07mMultiple Airlines

Fri 2/58:55 p.m.YYZ - BOS

Nonstop1h 41mMultiple Airlines

Deal found 17/4C$ 476

Fri 25/43:40 p.m.BOS - YTZ

1 stop4h 10mMultiple Airlines

Fri 2/59:50 a.m.YTZ - BOS

Nonstop1h 41mMultiple Airlines

Deal found 17/4C$ 510

Fri 25/46:10 a.m.BOS - YYZ

Nonstop2h 01mAir Canada

Fri 2/54:30 p.m.YYZ - BOS

Nonstop1h 43mAir Canada

Deal found 17/4C$ 516

Fri 25/47:55 p.m.BOS - YUL

1 stop5h 56mAir Canada

Wed 14/58:10 a.m.YUL - BOS

Nonstop1h 25mAir Canada

Deal found 16/4C$ 528

Fri 25/46:00 a.m.BOS - YYZ

1 stop8h 35mAmerican Airlines

Wed 30/47:20 a.m.YYZ - BOS

1 stop5h 08mAmerican Airlines

Deal found 17/4C$ 537

Sat 26/412:15 p.m.BOS - YUL

2 stops11h 44mMultiple Airlines

Wed 30/410:45 a.m.YUL - BOS

1 stop4h 40mMultiple Airlines

Deal found 15/4C$ 577

Sun 27/47:00 a.m.BOS - YTZ

Nonstop1h 59mPorter Airlines

Tue 29/48:00 a.m.YTZ - BOS

Nonstop1h 35mPorter Airlines

Deal found 17/4C$ 467

Sun 27/47:00 a.m.BOS - YOW

1 stop4h 54mPorter Airlines

Fri 2/54:40 p.m.YOW - BOS

Nonstop1h 28mPorter Airlines

Deal found 17/4C$ 482

Sun 27/46:35 a.m.BOS - YUL

Nonstop1h 25mUnited Airlines

Wed 7/51:05 p.m.YUL - BOS

Nonstop1h 27mUnited Airlines

Deal found 16/4C$ 512

Sun 27/44:10 p.m.BOS - YOW

Nonstop1h 29mMultiple Airlines

Thu 1/58:55 a.m.YOW - BOS

Nonstop1h 28mMultiple Airlines

Deal found 17/4C$ 525

One-way flights from Massachusetts to Ontario
Search for one-way flight options from Massachusetts to Ontario. Find affordable one-way fares based on user searches. Data last updated 17 April 2025.

Thu 29/512:27 p.m.BDL - YYZ

1 stop8h 33mMultiple Airlines

Deal found 16/4C$ 144

Tue 20/56:00 a.m.BOS - YYZ

Nonstop1h 54mAir Canada

Deal found 16/4C$ 144

Mon 12/55:50 a.m.BOS - YUL

Nonstop1h 25mAir Canada

Deal found 17/4C$ 147

Wed 30/48:05 a.m.BOS - YYZ

1 stop6h 30mAmerican Airlines

Deal found 16/4C$ 148

Mon 26/58:45 a.m.BOS - YOW

Nonstop1h 28mPorter Airlines

Deal found 16/4C$ 150

Thu 8/58:20 p.m.BOS - YTZ

Nonstop1h 49mPorter Airlines

Deal found 17/4C$ 151

Sat 31/56:10 a.m.BOS - YYZ

1 stop16h 15mMultiple Airlines

Deal found 17/4C$ 153

Tue 6/54:35 p.m.BOS - YYZ

Nonstop1h 55mUnited Airlines

Deal found 15/4C$ 154

Wed 14/56:10 a.m.BOS - YUL

2 stops18h 27mMultiple Airlines

Deal found 17/4C$ 154

Thu 22/58:45 a.m.BOS - YYZ

1 stop3h 43mPorter Airlines

Deal found 17/4C$ 155

Sat 10/512:15 p.m.BOS - YUL

1 stop5h 40mPorter Airlines

Deal found 16/4C$ 155

Sun 1/65:50 a.m.BOS - YOW

1 stop3h 11mAir Canada

Deal found 17/4C$ 155

Cheapflights Fare Finder

Use the filters below to find and compare flights from Massachusetts to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Mon 2/6

3:49 p.m.-2:05 p.m.

1 stop22h 16m

Toronto Pearson Intl

Tue 10/6

6:30 a.m.-11:29 p.m.

1 stop16h 59m

C$ 287

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 13/5

9:45 a.m.-1:50 p.m.

1 stop4h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 17/5

10:45 a.m.-3:06 p.m.

1 stop4h 21m

C$ 290

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 21/5

5:50 a.m.-11:47 a.m.

1 stop5h 57m

Toronto Island

Tue 27/5

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

1 stop6h 08m

C$ 293

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 7/5

9:45 a.m.-11:34 a.m.

Nonstop1h 49m

Toronto Island

Wed 14/5

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

Nonstop1h 41m

C$ 297

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Wed 14/5

10:20 a.m.-11:45 a.m.

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 18/5

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

1 stop7h 01m

C$ 299

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sat 17/5

3:50 p.m.-5:18 p.m.

Nonstop1h 28m

Ottawa

Sat 24/5

9:35 a.m.-3:06 p.m.

1 stop5h 31m

C$ 320

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 13/5

6:55 p.m.-8:20 p.m.

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

Sat 17/5

8:30 p.m.-9:57 p.m.

Nonstop1h 27m

C$ 327

HartfordToronto

BDL - YYZ

BDLYYZ

Hartford Bradley Intl

Fri 13/6

3:54 p.m.-2:05 p.m.

1 stop22h 11m

Toronto Pearson Intl

Sun 15/6

6:30 a.m.-9:09 a.m.

1 stop26h 39m

C$ 340

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 8/5

5:50 a.m.-10:25 a.m.

1 stop4h 35m

Ottawa

Sun 11/5

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

1 stop4h 31m

C$ 341

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 20/5

5:50 a.m.-11:32 a.m.

2 stops5h 42m

Toronto Island

Wed 21/5

8:50 a.m.-2:32 p.m.

2 stops5h 42m

C$ 344

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

Showing 1-10 of 60 results

...

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?

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

The most flights from USMA to CAON are scheduled on a Thursday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Ontario 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

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

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

281 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Porter Airlines

8.0

Very good

281 reviews

Porter Airlines

8.0

Very good

281 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Delta

8.0

Very good

7,916 reviews

Porter Airlines

8.0

Very good

281 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Air Transat

7.8

Good

385 reviews

Porter Airlines

8.0

Very good

281 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

SWISS

7.5

Good

1,580 reviews

Porter Airlines

8.0

Very good

281 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

United Airlines

7.4

Good

8,667 reviews

Porter Airlines

8.0

Very good

281 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Related info for your journey

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$ 144. American Airlines flights start at C$ 148 while deals on Porter Airlines start at C$ 150 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

Alternative routes for Massachusetts to Ontario

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Complete your trip

Region of Ontario car rentals

Toronto Pearson Intl Airport car rentals

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Direct flights to Canada

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Provincetown to Pierre Elliott Trudeau Intl flights

New Bedford to Pierre Elliott Trudeau Intl flights

Top 3 airlines flying from Massachusetts to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 208	AverageC$ 511	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 259	AverageC$ 490	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 345	AverageC$ 510	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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.

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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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Cheap flights from Massachusetts to Ontario from C$ 144

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.

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 17 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Massachusetts to Ontario

Cheapest flights from Massachusetts to OntarioExplore 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 17 April 2025.

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 17 April 2025.

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Use the filters below to find and compare flights from Massachusetts to Ontario that are best for you.

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.

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?

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 17 April 2025.

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 17 April 2025.

Rainfall in Ontario by month

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

Temperature in Ontario by month

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

Reviews of airlines servicing Ontario

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.

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?

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

How can I find direct flights from Massachusetts to Ontario?

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

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

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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.

Top 3 airlines flying from Massachusetts to Ontario

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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 17 April 2025.