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Cheap flights from Massachusetts to Ontario from C$ 131

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
27 Feb — 6 Mar1
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 January 2026.

Thu 26/26:15 a.m.
BOS
-
YYZ
Nonstop2h 02m
Air Canada
Sun 1/38:20 a.m.
YYZ
-
BOS
Nonstop1h 42m
Air Canada
Deal found 26/1C$ 273
Fri 13/36:15 a.m.
BOS
-
YYZ
Nonstop2h 02m
Air Canada
Fri 20/32:15 p.m.
YYZ
-
BOS
Nonstop1h 42m
Air Canada
Deal found 27/1C$ 277
Thu 26/23:30 p.m.
BOS
-
YYZ
1 stop4h 41m
Multiple Airlines
Sun 1/38:20 a.m.
YYZ
-
BOS
Nonstop1h 42m
Multiple Airlines
Deal found 26/1C$ 316
Fri 3/46:15 a.m.
BOS
-
YYZ
Nonstop1h 53m
Air Canada
Sun 5/48:55 p.m.
YYZ
-
BOS
Nonstop1h 43m
Air Canada
Deal found 27/1C$ 321
Tue 24/29:49 a.m.
BDL
-
YYZ
1 stop14h 25m
Multiple Airlines
Tue 3/37:15 a.m.
YYZ
-
BDL
1 stop26h 08m
Multiple Airlines
Deal found 27/1C$ 334
Tue 28/47:55 p.m.
BOS
-
YYZ
1 stop18h 10m
Multiple Airlines
Fri 1/58:10 a.m.
YYZ
-
BOS
Nonstop1h 44m
Multiple Airlines
Deal found 27/1C$ 338
Thu 26/26:55 p.m.
BOS
-
YTZ
Nonstop1h 57m
Porter Airlines
Mon 2/31:10 p.m.
YTZ
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 26/1C$ 338
Sat 25/47:05 a.m.
BOS
-
YTZ
Nonstop1h 59m
Porter Airlines
Tue 28/48:30 p.m.
YTZ
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 26/1C$ 340
Thu 5/39:00 a.m.
BOS
-
YTZ
Nonstop1h 52m
Porter Airlines
Mon 9/37:35 p.m.
YTZ
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 26/1C$ 342
Thu 30/410:20 a.m.
BOS
-
YTZ
Nonstop1h 59m
Porter Airlines
Sun 10/58:50 a.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 26/1C$ 343
Fri 27/35:30 a.m.
BOS
-
YYZ
1 stop6h 10m
Air Canada
Sun 29/36:15 a.m.
YYZ
-
BOS
1 stop3h 37m
Air Canada
Deal found 26/1C$ 344
Thu 5/39:00 a.m.
BOS
-
YTZ
Nonstop1h 52m
Multiple Airlines
Mon 9/34:25 p.m.
YTZ
-
BOS
1 stop5h 02m
Multiple Airlines
Deal found 27/1C$ 344

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 January 2026.

Round-trip from

C$ 273

One-way from

C$ 131

Popular in

November

Cheapest in

October

Average price

C$ 444

Good round-trip deal

C$ 146 or less

Good one-way deal

C$ 177 or less
Air Canada
  • Air Canada
  • 26/2-1/3
  • Nonstop
  • 3h 44m total
  • Massachusetts to Ontario
Search Deals
24/2
  • 24/2
  • 1 total stop
  • 14h 25m total
  • Massachusetts to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 2026.
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

Thu 28/5

10:45 a.m.-12:35 p.m.

Nonstop1h 50m

Toronto Pearson Intl

Fri 29/5

4:15 p.m.-5:59 p.m.

Nonstop1h 44m

C$ 321

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 3/4

6:15 a.m.-8:08 a.m.

Nonstop1h 53m

Toronto Pearson Intl

Sun 5/4

8:55 p.m.-10:38 p.m.

Nonstop1h 43m

C$ 321

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 24/2

1:00 p.m.-3:00 p.m.

Nonstop2h 00m

Toronto Pearson Intl

Tue 3/3

2:00 p.m.-7:12 p.m.

1 stop5h 12m

C$ 334

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 21/7

5:45 a.m.-10:35 a.m.

1 stop4h 50m

Toronto Pearson Intl

Fri 24/7

4:00 p.m.-9:27 p.m.

1 stop5h 27m

C$ 346

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 14/5

5:50 a.m.-11:38 a.m.

1 stop5h 48m

Toronto Pearson Intl

Sun 17/5

9:00 a.m.-2:47 p.m.

1 stop5h 47m

C$ 346

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 25/2

2:23 p.m.-12:14 a.m.

1 stop9h 51m

Toronto Pearson Intl

Wed 4/3

3:40 p.m.-5:15 p.m.

1 stop25h 35m

C$ 349

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 12/3

3:30 p.m.-8:03 p.m.

1 stop4h 33m

Toronto Island

Thu 19/3

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

Nonstop1h 35m

C$ 349

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 27/4

1:25 p.m.-3:24 p.m.

Nonstop1h 59m

Toronto Island

Wed 29/4

2:05 p.m.-6:10 p.m.

1 stop4h 05m

C$ 353

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 18/3

9:00 a.m.-10:52 a.m.

Nonstop1h 52m

Toronto Island

Sun 22/3

9:30 a.m.-11:05 a.m.

Nonstop1h 35m

C$ 366

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 19/2

11:31 a.m.-12:25 a.m.

1 stop12h 54m

Ottawa

Mon 23/2

4:40 p.m.-6:10 p.m.

Nonstop1h 30m

C$ 368

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

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, March is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of C$ 160). Flying from Massachusetts to Region of Ontario in December is currently the most expensive (average of C$ 297). 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 January 2026.

It’s typically best to fly out from Massachusetts to Region of Ontario in the morning. 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 Saturday evenings when fares are most often at their lowest. Monday evenings 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 January 2026.

The most flights from USMA to CAON are scheduled on a Monday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 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 January 2026.
See what other customers who have flown with Porter Airlines,United Airlines, andAir 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
7.9
Good
412 reviews
Check prices

Boarding

8.2

Food

7.5

Overall

7.9

Comfort

7.9

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Boarding

8.2

Food

7.5

Overall

7.9

Comfort

7.9

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,212 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Boarding

8.2

Food

7.5

Overall

7.9

Comfort

7.9

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,666 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Boarding

8.2

Food

7.5

Overall

7.9

Comfort

7.9

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 50m. Fly via Air Canada, Porter Airlines, or WestJet 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 United Airlines, which is currently one of the cheapest options available, starting at C$ 122. Porter Airlines flights start at C$ 127 while deals on Air Canada start at C$ 146 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$ 160). Flying from Massachusetts to Region of Ontario in December is currently the most expensive (average of C$ 297). 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 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 184AverageC$ 424FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 300AverageC$ 443FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 340AverageC$ 550FlexibilityNo 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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