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Cheap flights from Massachusetts to Ontario from C$ 134

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Massachusetts to Ontario

Enter your travel dates to find the best prices.

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 April 2026.

Mon 25/57:10 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Thu 28/53:05 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 27/4C$ 297
Sat 9/57:10 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Sun 10/53:05 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 24/4C$ 299
Fri 14/87:10 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Mon 17/88:50 a.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 26/4C$ 300
Sat 23/57:10 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Sat 30/59:00 a.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 23/4C$ 303
Tue 19/57:10 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Fri 22/56:05 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 27/4C$ 304
Sat 15/87:10 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Tue 25/86:00 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 23/4C$ 305
Thu 7/55:10 a.m.
BOS
-
YYZ
Nonstop1h 53m
Air Canada
Sun 10/58:05 a.m.
YYZ
-
BOS
Nonstop1h 44m
Air Canada
Deal found 23/4C$ 307
Wed 20/57:10 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Wed 27/59:00 a.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 27/4C$ 307
Wed 20/58:30 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Sat 23/511:55 a.m.
YTZ
-
BOS
1 stop4h 00m
Porter Airlines
Deal found 27/4C$ 308
Sat 9/55:10 a.m.
BOS
-
YYZ
Nonstop1h 53m
Air Canada
Sun 10/58:55 p.m.
YYZ
-
BOS
Nonstop1h 44m
Air Canada
Deal found 25/4C$ 309
Sat 9/510:35 a.m.
BOS
-
YTZ
1 stop5h 17m
Multiple Airlines
Sun 10/51:00 p.m.
YTZ
-
BOS
Nonstop1h 41m
Multiple Airlines
Deal found 24/4C$ 309
Thu 14/53:25 p.m.
BOS
-
YYZ
1 stop4h 19m
Porter Airlines
Sun 17/57:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 26/4C$ 311

Find 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 April 2026.

Round-trip from

C$ 297

One-way from

C$ 134

Popular in

April

Cheapest in

October

Average price

C$ 566

Good round-trip deal

C$ 168 or less

Good one-way deal

C$ 125 or less
Porter Airlines
  • Porter Airlines
  • 25/5-28/5
  • Nonstop
  • 3h 28m total
  • Massachusetts to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 27/5
  • 1 total stop
  • 4h 19m total
  • Massachusetts to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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

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 April 2026.
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

Cheapest round-trip

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sat 16/5

3:25 p.m.-4:50 p.m.

Nonstop1h 25m

Ottawa

Mon 18/5

4:20 p.m.-9:12 a.m.

1 stop16h 52m

C$ 368

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 26/5

6:35 p.m.-8:30 p.m.

Nonstop1h 55m

Toronto Pearson Intl

Tue 2/6

7:25 a.m.-9:05 a.m.

Nonstop1h 40m

C$ 376

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 3/6

6:35 p.m.-8:30 p.m.

Nonstop1h 55m

Toronto Pearson Intl

Sat 6/6

3:40 p.m.-8:55 p.m.

1 stop5h 15m

C$ 389

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 30/5

3:25 p.m.-8:24 p.m.

1 stop4h 59m

Toronto Pearson Intl

Tue 2/6

1:50 p.m.-7:05 p.m.

1 stop5h 15m

C$ 391

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Mon 1/6

7:10 a.m.-12:10 p.m.

1 stop5h 00m

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

10:35 a.m.-2:41 p.m.

1 stop4h 06m

C$ 391

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 26/5

3:25 p.m.-5:34 a.m.

2 stops14h 09m

Toronto Pearson Intl

Thu 28/5

7:25 a.m.-9:05 a.m.

Nonstop1h 40m

C$ 393

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 3/9

8:25 p.m.-10:12 p.m.

Nonstop1h 47m

Toronto Island

Tue 8/9

11:55 a.m.-4:00 p.m.

1 stop4h 05m

C$ 395

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 13/8

3:25 p.m.-6:58 p.m.

1 stop3h 33m

Toronto Island

Wed 23/9

3:05 p.m.-4:46 p.m.

Nonstop1h 41m

C$ 395

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 27/5

3:25 p.m.-5:34 a.m.

2 stops14h 09m

Toronto Pearson Intl

Sun 31/5

3:40 p.m.-8:55 p.m.

1 stop5h 15m

C$ 405

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 15/5

9:03 p.m.-9:19 a.m.

1 stop12h 16m

Toronto Pearson Intl

Sun 17/5

7:30 a.m.-12:51 p.m.

1 stop5h 21m

C$ 410

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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

The price you pay for your flight from Massachusetts to Region of Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of C$ 131). Flying from Massachusetts to Region of Ontario in February is currently the most expensive (average of C$ 1,007). 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 April 2026.

It’s typically best to fly out from Massachusetts to Region of Ontario in the evening. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Massachusetts to Ontario. Price data was last updated on 31 August 2025.

Travelers seeking maximum savings on their Massachusetts to Region of Ontario flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 28 April 2026.

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

How much does it cost to fly round-trip from Massachusetts to Region of Ontario?

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 April 2026.
See what other customers who have flown with Porter Airlines and Air Canada 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
8.0
Very good
435 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
435 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,975 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 55m. Fly via Porter Airlines, United Airlines, or Delta to get the fastest option. The distance between Massachusetts and Region of Ontario is about 715 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 Porter Airlines, which is currently one of the cheapest options available, starting at C$ 119. United Airlines flights start at C$ 132 while deals on Air Canada start at C$ 141 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, March is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of C$ 131). Flying from Massachusetts to Region of Ontario in February is currently the most expensive (average of C$ 1,007). 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

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Top 2 airlines flying from Massachusetts to Ontario

Discover the top 2 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 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 290AverageC$ 424FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 323AverageC$ 428FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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