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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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
14 Jan — 21 Jan1
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 15 December 2025.

Wed 31/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 6/16:55 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 14/12C$ 359
Tue 30/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Tue 6/16:55 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 14/12C$ 365
Wed 31/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 9/110:40 a.m.YTZ - BOS
2 stops7h 30mPorter Airlines
Deal found 13/12C$ 370
Tue 30/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 2/18:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 15/12C$ 383
Sun 28/127:00 p.m.BOS - YTZ
Nonstop1h 59mPorter Airlines
Tue 30/1211:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 13/12C$ 384
Wed 31/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 2/18:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 14/12C$ 386
Mon 29/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Fri 2/18:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 15/12C$ 391
Sat 27/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Sun 28/128:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 13/12C$ 403
Tue 30/123:40 p.m.BOS - YOW
Nonstop1h 29mMultiple Airlines
Thu 22/17:00 a.m.YOW - BOS
1 stop9h 28mMultiple Airlines
Deal found 14/12C$ 408
Tue 30/123:40 p.m.BOS - YYZ
1 stop4h 33mMultiple Airlines
Tue 6/18:30 p.m.YYZ - BOS
1 stop14h 20mMultiple Airlines
Deal found 14/12C$ 419
Sun 14/1212:57 p.m.BOS - YYZ
1 stop25h 23mMultiple Airlines
Sun 1/28:20 p.m.YYZ - BOS
1 stop26h 59mMultiple Airlines
Deal found 13/12C$ 420
Wed 17/1210:56 a.m.BOS - YYZ
1 stop13h 15mMultiple Airlines
Fri 9/17:10 a.m.YYZ - BOS
1 stop27h 58mMultiple Airlines
Deal found 14/12C$ 430

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 15 December 2025.

Round-trip from

C$ 306

One-way from

C$ 147

Popular in

December

Cheapest in

October

Average price

C$ 505

Good round-trip deal

C$ 375 or less

Good one-way deal

C$ 162 or less
Air Canada
  • Air Canada
  • 7/2-10/2
  • Nonstop
  • 3h 45m total
  • Massachusetts to Ontario
Search Deals
29/1
  • 29/1
  • 1 total stop
  • 22h 55m total
  • Massachusetts to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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

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 15 December 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 - YYZ

BOSYYZ

Boston Logan Intl

Fri 9/1

3:30 p.m.-8:11 p.m.

1 stop4h 41m

Toronto Pearson Intl

Sun 11/1

12:15 p.m.-11:57 p.m.

3 stops35h 42m

C$ 325

BostonHamilton

BOS - YHM

BOSYHM

Boston Logan Intl

Thu 29/1

5:34 a.m.-3:00 p.m.

1 stop9h 26m

Hamilton

Thu 5/2

7:25 a.m.-4:28 p.m.

1 stop9h 03m

C$ 330

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 8/1

3:30 p.m.-7:08 p.m.

1 stop3h 38m

Toronto Island

Mon 12/1

6:55 p.m.-8:30 p.m.

Nonstop1h 35m

C$ 340

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Mon 5/1

3:30 p.m.-8:11 p.m.

1 stop4h 41m

Toronto Pearson Intl

Fri 9/1

7:10 a.m.-11:19 p.m.

1 stop16h 09m

C$ 351

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Tue 27/1

3:43 p.m.-5:13 p.m.

1 stop25h 30m

Ottawa

Tue 3/2

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

Nonstop1h 30m

C$ 376

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 20/3

6:55 p.m.-8:54 p.m.

Nonstop1h 59m

Toronto Island

Sun 22/3

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

1 stop4h 05m

C$ 379

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 8/1

3:30 p.m.-5:03 p.m.

Nonstop1h 33m

Ottawa

Mon 12/1

7:00 a.m.-11:57 p.m.

1 stop16h 57m

C$ 379

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 29/12

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Wed 31/12

8:00 a.m.-9:35 a.m.

Nonstop1h 35m

C$ 384

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 16/1

9:00 a.m.-10:55 a.m.

Nonstop1h 55m

Toronto Island

Sun 18/1

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

Nonstop1h 35m

C$ 386

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 13/3

3:30 p.m.-10:03 p.m.

1 stop6h 33m

Toronto Island

Wed 18/3

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

1 stop4h 05m

C$ 386

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/12

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, April 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 November is currently the most expensive (average of C$ 263). 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 15 December 2025.

It’s typically best to fly out from Massachusetts to Region of Ontario in the evening. Doing so could potentially save you 19% 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 16 December 2024.

Travelers seeking maximum savings on their Massachusetts to Region of Ontario flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday 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 15 December 2025.

The most flights from USMA to CAON are scheduled on a Wednesday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

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 15 December 2025.
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
8.0
Very good
399 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

7.9

Overall

8.0

Entertainment

7.0

Crew

8.6

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
8.0
Very good
399 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

7.9

Overall

8.0

Entertainment

7.0

Crew

8.6

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
9,092 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

7.9

Overall

8.0

Entertainment

7.0

Crew

8.6

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
10,526 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

7.9

Overall

8.0

Entertainment

7.0

Crew

8.6

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 25m. Fly via Porter Airlines, United Airlines, or Air Canada to get the fastest option. The distance between Massachusetts and Region of Ontario is about 407 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$ 130. United Airlines flights start at C$ 138 while deals on Air Canada start at C$ 153 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, April 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 November is currently the most expensive (average of C$ 263). 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 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 15 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 273AverageC$ 436FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 303AverageC$ 439FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 343AverageC$ 540FlexibilityNo 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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