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$81+ Cheap flights from Massachusetts to Ontario

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$195
(Trip.com)

One-way from

$81
(Mytrip)

Popular in

November

Cheapest in

September

Average price

$312

Good round-trip deal

$244 or less

Good one-way deal

$128 or less
Provider with most accurate pricing for Boston Logan Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Toronto (YTO) flights.
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From Massachusetts to Ontario
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One-way flight from Massachusetts to Ontario
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Highest demand for flights based on searches. 8% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Massachusetts to Ontario.
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Price to beat on a one-way flight from Massachusetts to Ontario.
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Find flight deals from Massachusetts to Ontario

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 March 31, 2025.

This Trip.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/142:05 pmBOS - YTZ
Nonstop1h 59mPorter Airlines
Tue 4/151:05 pmYTZ - BOS
1 stop4h 45mPorter Airlines
Deal found 3/30$195
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1211:32 amBOS - YYZ
1 stop12h 23mMultiple Airlines
Mon 4/147:05 amYYZ - BOS
1 stop27h 22mMultiple Airlines
Deal found 3/30$202
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/174:10 pmBOS - YTZ
1 stop6h 13mMultiple Airlines
Sun 4/2010:25 amYTZ - BOS
1 stop4h 32mMultiple Airlines
Deal found 3/30$202
This Gotogate deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/136:35 amBOS - YYZ
1 stop5h 04mAir Canada
Mon 4/146:25 amYYZ - BOS
1 stop3h 42mAir Canada
Deal found 3/30$222
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/112:15 pmBOS - YUL
1 stop5h 40mMultiple Airlines
Sun 5/48:10 amYUL - BOS
Nonstop1h 25mMultiple Airlines
Deal found 3/30$245
This Flightnetwork deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/111:05 amBOS - YUL
1 stop6h 50mPorter Airlines
Sun 5/47:00 amYUL - BOS
1 stop4h 31mPorter Airlines
Deal found 3/30$253
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/510:45 amBDL - YYZ
1 stop11h 50mMultiple Airlines
Tue 4/87:05 amYYZ - BDL
2 stops16h 02mMultiple Airlines
Deal found 3/30$261
This Air Canada deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/146:35 amBOS - YTZ
1 stop5h 12mAir Canada
Thu 4/1710:25 amYTZ - BOS
1 stop6h 27mAir Canada
Deal found 3/30$265
This Trip.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/239:45 amBOS - YOW
Nonstop1h 28mPorter Airlines
Sun 5/253:25 pmYOW - BOS
1 stop6h 06mPorter Airlines
Deal found 3/30$267
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:00 amBOS - YUL
2 stops9h 13mAir Canada
Thu 6/191:05 pmYUL - BOS
Nonstop1h 30mAir Canada
Deal found 3/30$268
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/169:00 amBOS - YYZ
1 stop4h 04mDelta
Sun 4/206:15 amYYZ - BOS
1 stop7h 55mDelta
Deal found 3/30$269
This Flightnetwork deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:35 amBOS - YOW
1 stop5h 42mMultiple Airlines
Mon 4/284:20 pmYOW - BOS
Nonstop1h 30mMultiple Airlines
Deal found 3/30$278

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 2,558,603 searches. Data last updated March 31, 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

Mon 4/14

2:05 pm-4:04 pm

Nonstop1h 59m

Toronto Island

Tue 4/15

1:05 pm-5:50 pm

1 stop4h 45m

$195

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 4/12

11:32 am-11:55 pm

1 stop12h 23m

Toronto Pearson Intl

Mon 4/14

7:05 am-10:27 am

1 stop27h 22m

$202

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 4/17

4:10 pm-10:23 pm

1 stop6h 13m

Toronto Island

Sun 4/20

10:25 am-2:57 pm

1 stop4h 32m

$202

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sun 4/13

6:35 am-11:39 am

1 stop5h 04m

Toronto Pearson Intl

Mon 4/14

6:25 am-10:07 am

1 stop3h 42m

$222

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 5/1

12:15 pm-5:55 pm

1 stop5h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

8:10 am-9:35 am

Nonstop1h 25m

$245

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 5/1

11:05 am-5:55 pm

1 stop6h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

7:00 am-11:31 am

1 stop4h 31m

$253

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 4/14

6:35 am-11:47 am

1 stop5h 12m

Toronto Island

Thu 4/17

10:25 am-4:52 pm

1 stop6h 27m

$265

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 5/23

9:45 am-11:13 am

Nonstop1h 28m

Ottawa

Sun 5/25

3:25 pm-9:31 pm

1 stop6h 06m

$267

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 6/12

6:00 am-3:13 pm

2 stops9h 13m

Montreal Pierre Elliott Trudeau Intl

Thu 6/19

1:05 pm-2:35 pm

Nonstop1h 30m

$268

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 4/16

9:00 am-1:04 pm

1 stop4h 04m

Toronto Pearson Intl

Sun 4/20

6:15 am-2:10 pm

1 stop7h 55m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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, January is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of $243). Flying from Massachusetts to Region of Ontario in July is currently the most expensive (average of $359). 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 March 31, 2025.

When flying from Massachusetts to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 March 31, 2025.

The most flights from USMA to CAON are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 March 31, 2025.
Read reviews from past customers who have flown Delta, Porter Airlines and KLM from Massachusetts to Ontario. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
7.9
Good
277 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
770 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Massachusetts to Region of Ontario one-way?

    One-way options have recently been found by users for as low as $104 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from $114 and American Airlines from $132 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, January is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of $243). Flying from Massachusetts to Region of Ontario in July is currently the most expensive (average of $359). 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 5 airlines flying from Massachusetts to Ontario

Discover the top 5 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 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$135Average$463FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$165Average$428FlexibilityNo cancel feeOn-time71%
Porter AirlinesCheapest$183Average$362FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$249Average$396FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$263Average$334FlexibilityNo cancel feeOn-time50%
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