$107+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
Jun 17 — Jun 241
1 adult, Economy
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Find cheap flights from Massachusetts to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 June 12, 2025.
Round-trip from | $221 (Flightnetwork) |
|---|---|
One-way from | $107 (Kiwi.com) |
Popular in | November |
Cheapest in | July |
Average price | $297 |
Good round-trip deal | $237 or less |
Good one-way deal | $128 or less |
Find flight deals from Massachusetts to Ontario
Cheapest flights from Massachusetts to OntarioExplore 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 June 12, 2025.
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 June 12, 2025.
This Flightnetwork deal was found by Cheapflights users on 6/9. 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 7/36:00 amBOS - YYZ
Nonstop1h 55mAir Canada
Thu 7/109:45 amYYZ - BOS
Nonstop1h 43mAir Canada
Deal found 6/9![Air Canada logo]()
$221
This Trip.com deal was found by Cheapflights users on 6/12. 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.
Thu 6/267:15 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Sat 6/285:55 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 6/12![Porter Airlines logo]()
$221
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:05 amBOS - YTZ
Nonstop1h 59mMultiple Airlines
Wed 11/198:00 amYTZ - BOS
Nonstop1h 35mMultiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$224
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/299:45 amBOS - YYZ
1 stop4h 30mPorter Airlines
Sun 11/22:00 pmYYZ - BOS
1 stop4h 15mPorter Airlines
Deal found 6/12![Porter Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/205:25 pmBOS - YUL
1 stop4h 50mPorter Airlines
Sat 6/2110:45 amYUL - BOS
1 stop4h 21mPorter Airlines
Deal found 6/11![Porter Airlines logo]()
$252
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Sat 11/296:00 amBOS - YTZ
1 stop5h 50mAir Canada
Fri 12/1210:25 amYTZ - BOS
1 stop4h 13mAir Canada
Deal found 6/10![Air Canada logo]()
$257
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 12/26:30 pmBOS - YYZ
1 stop4h 14mDelta
Tue 12/97:59 amYYZ - BOS
1 stop7h 23mDelta
Deal found 6/10![Delta logo]()
$264
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:30 pmBOS - YOW
Nonstop1h 28mPorter Airlines
Mon 9/295:00 pmYOW - BOS
Nonstop1h 28mPorter Airlines
Deal found 6/10![Porter Airlines logo]()
$265
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/95:30 amBOS - YYZ
1 stop8h 49mUnited Airlines
Wed 7/95:15 pmYYZ - BOS
1 stop6h 17mUnited Airlines
Deal found 6/9![United Airlines logo]()
$266
This Flightnetwork deal was found by Cheapflights users on 6/10. 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.
Wed 7/96:40 pmBOS - YUL
Nonstop1h 25mAir Canada
Mon 7/218:10 amYUL - BOS
Nonstop1h 25mAir Canada
Deal found 6/10![Air Canada logo]()
$268
This Flightnetwork deal was found by Cheapflights users on 6/11. 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 7/108:45 amBOS - YUL
1 stop5h 05mMultiple Airlines
Mon 7/148:30 pmYUL - BOS
Nonstop1h 26mMultiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$276
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Fri 7/258:39 pmBOS - YYZ
1 stop17h 26mMultiple Airlines
Tue 7/299:10 amYYZ - BOS
2 stops9h 18mMultiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$282
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 June 12, 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
Thu 7/3
6:00 am-7:55 am
Nonstop1h 55m
Toronto Pearson Intl
Thu 7/10
9:45 am-11:28 am
Nonstop1h 43m
$221
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Thu 6/26
7:15 pm-9:04 pm
Nonstop1h 49m
Toronto Island
Sat 6/28
5:55 pm-7:36 pm
Nonstop1h 41m
$221
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Sat 11/15
7:05 am-9:04 am
Nonstop1h 59m
Toronto Island
Wed 11/19
8:00 am-9:35 am
Nonstop1h 35m
$224
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Thu 9/4
6:55 pm-1:50 am
1 stop6h 55m
Montreal Pierre Elliott Trudeau Intl
Fri 9/5
1:05 pm-2:30 pm
Nonstop1h 25m
$252
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Sun 6/22
9:20 am-1:50 pm
1 stop4h 30m
Montreal Pierre Elliott Trudeau Intl
Sat 6/28
2:30 pm-7:36 pm
1 stop5h 06m
$254
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Sat 11/29
6:00 am-11:50 am
1 stop5h 50m
Toronto Island
Fri 12/12
10:25 am-2:38 pm
1 stop4h 13m
$257
BostonOttawa
BOS - YOW
BOSYOW
Boston Logan Intl
Thu 9/25
3:30 pm-4:58 pm
Nonstop1h 28m
Ottawa
Mon 9/29
5:00 pm-6:28 pm
Nonstop1h 28m
$265
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Wed 7/9
5:30 am-2:19 pm
1 stop8h 49m
Toronto Pearson Intl
Wed 7/9
5:15 pm-11:32 pm
1 stop6h 17m
$266
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Fri 10/3
6:00 am-7:25 am
Nonstop1h 25m
Montreal Pierre Elliott Trudeau Intl
Wed 10/8
10:45 am-2:41 pm
1 stop3h 56m
$266
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Wed 6/25
12:00 pm-4:14 pm
1 stop4h 14m
Toronto Pearson Intl
Fri 6/27
6:15 am-10:30 am
1 stop4h 15m
$280
Showing 1-10 of 60 results
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 $353). 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 June 12, 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 June 12, 2025.
The most flights from USMA to CAON are scheduled on a Wednesday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 June 12, 2025.
Read reviews from past customers who have flown Porter Airlines, Delta and Air Transat 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.
Entertainment
7.0
Boarding
8.2
Comfort
8.1
Food
7.6
Overall
8.0
Crew
8.7
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Entertainment
7.0
Boarding
8.2
Comfort
8.1
Food
7.6
Overall
8.0
Crew
8.7
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Entertainment
7.0
Boarding
8.2
Comfort
8.1
Food
7.6
Overall
8.0
Crew
8.7
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Entertainment
7.0
Boarding
8.2
Comfort
8.1
Food
7.6
Overall
8.0
Crew
8.7
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Entertainment
7.0
Boarding
8.2
Comfort
8.1
Food
7.6
Overall
8.0
Crew
8.7
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Entertainment
7.0
Boarding
8.2
Comfort
8.1
Food
7.6
Overall
8.0
Crew
8.7
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
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.
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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.
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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$127 | Average$414 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$137 | Average$531 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$165 | Average$360 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$172 | Average$431 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$263 | Average$337 | FlexibilityNo cancel fee | On-time50% |