$127+ Cheap flights from Ontario to Boston (BOS)
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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
juin 17 — juin 241
1 adult, Economy
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Find cheap flights from Ontario to Boston 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 Ontario to Boston
Keep the following information in mind while searching for Ontario to Boston flight deals. Data was last updated juin 12, 2025.
Round-trip from | $205 (Trip.com) |
|---|---|
One-way from | $127 (CheapOair) |
Popular in | December |
Cheapest in | March |
Average price | $262 |
Good round-trip deal | $190 or less |
Good one-way deal | $128 or less |
Find flight deals from Ontario to Boston
Cheapest flights from Ontario to BostonExplore the most affordable flight options available from Ontario to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 12, 2025.
Explore the most affordable flight options available from Ontario to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 12, 2025.
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 6/2012:00 pmYTZ - BOS
1 stop6h 08mPorter Airlines
mar. 6/2410:10 amBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 6/10![Porter Airlines logo]()
$205
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/78:15 amYYZ - BOS
Nonstop1h 40mAir Canada
jeu. 9/186:00 amBOS - YYZ
1 stop4h 39mAir Canada
Deal found 6/11![Air Canada logo]()
$206
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/39:10 amYYZ - BOS
2 stops9h 18mPorter Airlines
mar. 9/93:30 pmBOS - YYZ
2 stops14h 08mPorter Airlines
Deal found 6/11![Porter Airlines logo]()
$222
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 6/206:00 pmYYZ - BOS
1 stop4h 24mUnited Airlines
mar. 6/243:16 pmBOS - YYZ
1 stop8h 42mUnited Airlines
Deal found 6/10![United Airlines logo]()
$239
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 7/254:10 pmYTZ - BOS
2 stops5h 46mAir Canada
ven. 8/15:50 amBOS - YTZ
2 stops5h 41mAir Canada
Deal found 6/10![Air Canada logo]()
$240
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.
jeu. 8/286:15 amYYZ - BOS
1 stop4h 12mDelta
dim. 9/76:05 amBOS - YYZ
1 stop5h 19mDelta
Deal found 6/10![Delta logo]()
$244
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/107:50 pmYTZ - BOS
Nonstop1h 41mMultiple Airlines
jeu. 7/176:00 amBOS - YTZ
1 stop11h 43mMultiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$245
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/153:25 pmYYZ - BOS
1 stop6h 54mAmerican Airlines
mar. 7/224:40 pmBOS - YYZ
1 stop6h 25mAmerican Airlines
Deal found 6/11![American Airlines logo]()
$246
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/711:00 amYOW - BOS
1 stop3h 41mPorter Airlines
lun. 8/118:45 amBOS - YOW
1 stop4h 13mPorter Airlines
Deal found 6/10![Porter Airlines logo]()
$250
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 7/259:35 amYUL - BOS
2 stops8h 33mAir Canada
dim. 7/276:40 pmBOS - YUL
Nonstop1h 25mAir Canada
Deal found 6/12![Air Canada logo]()
$260
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/2410:45 amYUL - BOS
1 stop5h 56mPorter Airlines
lun. 7/288:45 amBOS - YUL
1 stop5h 05mPorter Airlines
Deal found 6/11![Porter Airlines logo]()
$261
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.
ven. 6/2010:45 amYUL - BOS
1 stop5h 56mMultiple Airlines
dim. 6/225:50 amBOS - YUL
Nonstop1h 25mMultiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$265
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Boston 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 juin 12, 2025.
Use the filters below to find and compare flights from Ontario to Boston that are best for you.
Fly from
Ontario
Fly to
Boston
Route
Depart
Return
Price
TorontoBoston
YTZ - BOS
YTZBOS
Toronto Island
ven. 6/20
12:00 pm-6:08 pm
1 stop6h 08m
Boston Logan Intl
mar. 6/24
10:10 am-11:59 am
Nonstop1h 49m
$205
TorontoBoston
YYZ - BOS
YYZBOS
Toronto Pearson Intl
dim. 9/7
8:15 am-9:55 am
Nonstop1h 40m
Boston Logan Intl
jeu. 9/18
6:00 am-10:39 am
1 stop4h 39m
$206
TorontoBoston
YYZ - BOS
YYZBOS
Toronto Pearson Intl
mer. 9/3
9:10 am-6:28 pm
2 stops9h 18m
Boston Logan Intl
mar. 9/9
3:30 pm-5:38 am
2 stops14h 08m
$222
TorontoBoston
YYZ - BOS
YYZBOS
Toronto Pearson Intl
ven. 6/20
6:00 pm-10:24 pm
1 stop4h 24m
Boston Logan Intl
mar. 6/24
3:16 pm-11:58 pm
1 stop8h 42m
$239
TorontoBoston
YTZ - BOS
YTZBOS
Toronto Island
ven. 7/25
4:10 pm-9:56 pm
2 stops5h 46m
Boston Logan Intl
ven. 8/1
5:50 am-11:31 am
2 stops5h 41m
$240
TorontoBoston
YYZ - BOS
YYZBOS
Toronto Pearson Intl
jeu. 8/28
6:15 am-10:27 am
1 stop4h 12m
Boston Logan Intl
dim. 9/7
6:05 am-11:24 am
1 stop5h 19m
$244
TorontoBoston
YTZ - BOS
YTZBOS
Toronto Island
jeu. 7/10
7:50 pm-9:31 pm
Nonstop1h 41m
Boston Logan Intl
jeu. 7/17
6:00 am-5:43 pm
1 stop11h 43m
$245
TorontoBoston
YYZ - BOS
YYZBOS
Toronto Pearson Intl
mar. 7/15
3:25 pm-10:19 pm
1 stop6h 54m
Boston Logan Intl
mar. 7/22
4:40 pm-11:05 pm
1 stop6h 25m
$246
OttawaBoston
YOW - BOS
YOWBOS
Ottawa
jeu. 8/7
11:00 am-2:41 pm
1 stop3h 41m
Boston Logan Intl
lun. 8/11
8:45 am-12:58 pm
1 stop4h 13m
$250
MontrealBoston
YUL - BOS
YULBOS
Montreal Pierre Elliott Trudeau Intl
ven. 7/25
9:35 am-6:08 pm
2 stops8h 33m
Boston Logan Intl
dim. 7/27
6:40 pm-8:05 pm
Nonstop1h 25m
$260
Showing 1-10 of 56 results
Best time to book a flight from Ontario to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Ontario 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 Ontario to Boston
What is the cheapest month to book a flight from Region of Ontario to Boston?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Boston (average of $218). Flying from Region of Ontario to Boston in June is currently the most expensive (average of $306). 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 ON to BOS?
Find hourly flight availability from Ontario to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juin 12, 2025.
When flying from Region of Ontario to Boston, 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 Region of Ontario to Boston
Explore weekly flight availability from Ontario to Boston. 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 juin 12, 2025.
The most flights from CAON to BOS are scheduled on a Thursday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).
Rainfall in Boston by month
Plan your trip to Boston by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.
Temperature in Boston by month
Plan your trip to Boston by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Boston, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated juin 12, 2025.
See what other customers who have flown with Porter Airlines, Delta and Air Transat from Ontario to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Overall
8.0
Boarding
8.2
Comfort
8.1
Food
7.6
Entertainment
7.0
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Crew
8.7
Overall
8.0
Boarding
8.2
Comfort
8.1
Food
7.6
Entertainment
7.0
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Crew
8.7
Overall
8.0
Boarding
8.2
Comfort
8.1
Food
7.6
Entertainment
7.0
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Crew
8.7
Overall
8.0
Boarding
8.2
Comfort
8.1
Food
7.6
Entertainment
7.0
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Crew
8.7
Overall
8.0
Boarding
8.2
Comfort
8.1
Food
7.6
Entertainment
7.0
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Crew
8.7
Overall
8.0
Boarding
8.2
Comfort
8.1
Food
7.6
Entertainment
7.0
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Related info for your journey
Find useful and relevant information for your journey from Ontario to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Ontario?
Book flights to Ontario if you plan to visit one of these locationsCambridge
Medford
Watertown
Warwick
Waltham
Framingham
Seabrook
Cranston
Randolph
Chestnut Hill
Lowell
Chelsea
Marlborough
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ontario to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Ontario to Boston
Discover the top 4 airlines that operate flights from Ontario to Boston. 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 juin 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$348 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$214 | Average$315 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$221 | Average$332 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$237 | Average$375 | FlexibilityNo cancel fee | On-time69% |