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Cheap flights from Massachusetts to Ontario from C$ 133

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
30 Aug — 6 Sep1
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 31 July 2026.

Tue 15/98:25 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Tue 22/96:00 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 30/7C$ 275
Sun 13/97:00 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Sun 20/98:50 a.m.
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 30/7C$ 276
Mon 31/811:10 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Sun 6/98:50 a.m.
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 30/7C$ 278
Wed 9/97:40 p.m.
BOS
-
YTZ
Nonstop1h 59m
Multiple Airlines
Wed 16/96:00 p.m.
YTZ
-
BOS
Nonstop1h 41m
Multiple Airlines
Deal found 26/7C$ 281
Thu 10/98:25 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Sun 13/98:50 a.m.
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 30/7C$ 283
Wed 9/95:30 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Wed 16/98:50 a.m.
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 26/7C$ 286
Sun 13/910:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sun 20/97:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 30/7C$ 288
Tue 8/95:30 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Tue 15/93:05 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 26/7C$ 288
Thu 17/910:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sat 19/97:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 30/7C$ 289
Sun 13/93:35 p.m.
BOS
-
YTZ
1 stop4h 15m
Multiple Airlines
Sun 20/93:05 p.m.
YTZ
-
BOS
Nonstop1h 41m
Multiple Airlines
Deal found 30/7C$ 289
Tue 15/910:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Tue 22/97:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 30/7C$ 290
Thu 10/93:55 p.m.
BOS
-
YTZ
1 stop5h 50m
Porter Airlines
Thu 17/98:50 a.m.
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 27/7C$ 292

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 31 July 2026.

Round-trip from

C$ 275

One-way from

C$ 133

Popular in

April

Cheapest in

July

Average price

C$ 387

Good round-trip deal

C$ 287 or less

Good one-way deal

C$ 136 or less
Porter Airlines
  • Porter Airlines
  • 15/9-22/9
  • Nonstop
  • 3h 28m total
  • Massachusetts to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 1/9
  • 1 total stop
  • 6h 09m total
  • Massachusetts to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 31 July 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

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 10/9

7:40 p.m.-9:39 p.m.

Nonstop1h 59m

Toronto Island

Sun 13/9

5:20 p.m.-6:57 p.m.

Nonstop1h 37m

C$ 358

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 11/9

7:30 p.m.-9:25 p.m.

Nonstop1h 55m

Toronto Pearson Intl

Fri 18/9

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

Nonstop1h 40m

C$ 370

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sun 13/9

3:55 p.m.-10:04 p.m.

1 stop6h 09m

Toronto Pearson Intl

Sun 20/9

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

Nonstop1h 40m

C$ 377

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Mon 24/8

3:55 p.m.-10:04 p.m.

1 stop6h 09m

Toronto Pearson Intl

Mon 31/8

4:00 p.m.-8:55 p.m.

1 stop4h 55m

C$ 383

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 5/9

3:55 p.m.-10:04 p.m.

1 stop6h 09m

Toronto Pearson Intl

Tue 8/9

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

1 stop5h 15m

C$ 390

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 10/9

3:55 p.m.-8:15 p.m.

1 stop4h 20m

Toronto Island

Sat 12/9

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

1 stop4h 05m

C$ 403

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 29/8

6:00 p.m.-10:23 p.m.

1 stop4h 23m

Toronto Pearson Intl

Sun 6/9

3:00 p.m.-9:27 p.m.

1 stop6h 27m

C$ 404

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 11/9

7:00 p.m.-11:39 p.m.

1 stop4h 39m

Toronto Pearson Intl

Mon 14/9

7:55 a.m.-1:22 p.m.

1 stop5h 27m

C$ 406

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 16/9

9:00 a.m.-5:56 p.m.

1 stop8h 56m

Toronto Pearson Intl

Mon 21/9

2:45 p.m.-1:10 a.m.

1 stop10h 25m

C$ 406

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Tue 25/8

7:45 p.m.-12:25 a.m.

1 stop4h 40m

Ottawa

Mon 31/8

10:40 a.m.-4:46 p.m.

1 stop6h 06m

C$ 415

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/7

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

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

Currently, July is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of C$ 414). Flying from Massachusetts to Region of Ontario in April is currently the most expensive (average of C$ 540). 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 31 July 2026.

It’s typically best to fly out from Massachusetts to Region of Ontario in the morning. Doing so could potentially save you 33% on the flight price compared to flying at noon, which is usually more expensive.

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 31 July 2026.

The most flights from USMA to CAON are scheduled on a Friday (20 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

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

Airfare is below average for this route at the moment.
Massachusetts to Region of Ontario flights typically cost between C$ 368 and C$ 634 in September.
The cheapest round-trip price found within the last 5 days was C$ 288 on Porter Airlines (13 Sep-20 Sep).

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 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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.

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 31 July 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
449 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
449 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,412 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

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 36m. Fly via Air Canada, Porter Airlines, or United Airlines to get the fastest option. The distance between Massachusetts and Region of Ontario is about 407 km. Most flights are nonstop.

  • 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, July is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of C$ 414). Flying from Massachusetts to Region of Ontario in April is currently the most expensive (average of C$ 540). 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 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 31 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 181AverageC$ 470FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 277AverageC$ 430FlexibilityNo cancel feeOn-time52%
Search Porter 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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