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Cheap flights from Massachusetts to Ontario from C$ 127

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 20/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

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 30 October 2025.

Round-trip from

C$ 297

One-way from

C$ 127

Popular in

November

Cheapest in

September

Average price

C$ 445

Good round-trip deal

C$ 279 or less

Good one-way deal

C$ 200 or less
Air Canada
  • Air Canada
  • 27/11-4/12
  • 1 total stop
  • 7h 06m total
  • Massachusetts to Ontario
Search Deals
Air Canada
  • Air Canada
  • 20/11
  • 1 total stop
  • 5h 19m total
  • Massachusetts to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 75 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 October 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

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 30 October 2025.

Thu 20/116:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Sat 22/114:20 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Deal found 30/10C$ 309
Tue 25/113:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Fri 28/118:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 28/10C$ 328
Wed 19/111:25 p.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Sat 22/114:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 29/10C$ 332
Tue 2/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Fri 5/122:05 p.m.YTZ - BOS
1 stop4h 06mPorter Airlines
Deal found 29/10C$ 334
Fri 21/113:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Sun 23/118:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 29/10C$ 335
Tue 2/127:00 p.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Thu 11/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 29/10C$ 338
Fri 5/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Sun 7/121:20 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 28/10C$ 339
Thu 20/113:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Sun 23/118:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 28/10C$ 342
Thu 27/116:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Tue 2/128:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Deal found 29/10C$ 349
Tue 25/113:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Thu 27/111:20 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 28/10C$ 350
Thu 20/115:30 a.m.BOS - YTZ
1 stop4h 25mAir Canada
Sun 23/115:30 p.m.YTZ - BOS
1 stop3h 57mAir Canada
Deal found 28/10C$ 352
Fri 28/117:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 5/128:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 29/10C$ 357

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 30 October 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 - YTZ

BOSYTZ

Boston Logan Intl

Thu 20/11

5:30 a.m.-9:55 a.m.

1 stop4h 25m

Toronto Island

Sun 23/11

5:30 p.m.-9:27 p.m.

1 stop3h 57m

C$ 352

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 12/12

3:40 p.m.-5:09 p.m.

Nonstop1h 29m

Ottawa

Sun 14/12

4:45 p.m.-6:11 p.m.

Nonstop1h 26m

C$ 360

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 20/11

3:40 p.m.-5:06 p.m.

Nonstop1h 26m

Ottawa

Mon 24/11

4:45 p.m.-6:11 p.m.

Nonstop1h 26m

C$ 360

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 17/11

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

Nonstop1h 55m

Toronto Island

Thu 20/11

1:20 p.m.-2:55 p.m.

Nonstop1h 35m

C$ 363

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 9/1

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

Nonstop1h 59m

Toronto Island

Sun 11/1

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

Nonstop1h 35m

C$ 364

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 5/12

3:40 p.m.-5:09 p.m.

Nonstop1h 29m

Ottawa

Sun 7/12

8:40 a.m.-2:55 p.m.

1 stop6h 15m

C$ 369

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 20/11

10:15 a.m.-2:07 p.m.

1 stop3h 52m

Ottawa

Mon 24/11

4:45 p.m.-6:11 p.m.

Nonstop1h 26m

C$ 374

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 19/11

3:40 p.m.-10:03 p.m.

1 stop6h 23m

Toronto Island

Fri 21/11

10:30 a.m.-6:11 p.m.

1 stop7h 41m

C$ 376

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 9/1

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

1 stop3h 38m

Toronto Island

Sun 11/1

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

1 stop4h 05m

C$ 384

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 15/1

9:00 a.m.-3:04 p.m.

1 stop6h 04m

Ottawa

Mon 19/1

4:55 p.m.-6:10 p.m.

Nonstop1h 15m

C$ 385

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

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, October is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of C$ 154). Flying from Massachusetts to Region of Ontario in December is currently the most expensive (average of C$ 223). 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 30 October 2025.

It’s typically best to fly out from Massachusetts to Region of Ontario in the evening. Doing so could potentially save you 20% 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 Monday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 30 October 2025.
See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines 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
384 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.0

Crew

8.6

Comfort

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.0

Crew

8.6

Comfort

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.8
Good
469 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.0

Crew

8.6

Comfort

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,998 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.0

Crew

8.6

Comfort

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,377 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.0

Crew

8.6

Comfort

8.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 29m. Fly via Air Canada, Porter Airlines, or Air Transat to get the fastest option. The distance between Massachusetts and Region of Ontario is about 497 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$ 148. Air Transat flights start at C$ 151 while deals on Air Canada start at C$ 161 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, October is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of C$ 154). Flying from Massachusetts to Region of Ontario in December is currently the most expensive (average of C$ 223). 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 276AverageC$ 465FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 307AverageC$ 456FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 347AverageC$ 562FlexibilityNo 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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