$113+ Cheap flights from Ontario (ONT) to John F Kennedy Intl, NY (JFK)
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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JFK
ene. 3 — ene. 101
1 adult, Economy
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Find cheap flights from Ontario to John F Kennedy Intl 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Ontario to New York John F Kennedy Intl are usually found in January or April, booked 42 days in advance, depart on a Saturday or Sunday and return on a Friday
Cheap flight deals from Ontario to John F Kennedy Intl
Cheapest flights from Ontario to John F Kennedy IntlExplore the most affordable flight options available from Ontario to John F Kennedy Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 4, 2025.
Explore the most affordable flight options available from Ontario to John F Kennedy Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 4, 2025.
This Trip.com deal was found by Cheapflights users on 12/2. 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.
mié. 12/176:15 amONT - JFK
1 stop20h 15mFrontier
sáb. 1/107:59 amJFK - ONT
1 stop9h 27mFrontier
Deal found 12/2![Frontier logo]()
$170
This Frontier deal was found by Cheapflights users on 12/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/246:00 pmONT - JFK
1 stop8h 30mFrontier
jue. 1/87:59 amJFK - ONT
1 stop11h 21mFrontier
Deal found 12/1![Frontier logo]()
$183
This CheapOair deal was found by Cheapflights users on 12/1. 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.
mié. 12/246:00 pmONT - JFK
1 stop8h 30mFrontier
mié. 1/77:59 amJFK - ONT
1 stop26h 37mFrontier
Deal found 12/1![Frontier logo]()
$184
This Trip.com deal was found by Cheapflights users on 12/2. 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.
dom. 12/145:18 pmONT - JFK
1 stop9h 12mFrontier
mar. 12/166:59 amJFK - ONT
1 stop17h 18mFrontier
Deal found 12/2![Frontier logo]()
$187
This Mytrip deal was found by Cheapflights users on 12/3. 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.
mar. 12/166:15 amONT - JFK
1 stop20h 15mFrontier
sáb. 1/107:59 amJFK - ONT
1 stop9h 27mFrontier
Deal found 12/3![Frontier logo]()
$189
This Mytrip deal was found by Cheapflights users on 12/2. 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.
mar. 12/96:15 amONT - JFK
1 stop20h 15mFrontier
mar. 12/166:59 amJFK - ONT
1 stop17h 18mFrontier
Deal found 12/2![Frontier logo]()
$191
This Mytrip deal was found by Cheapflights users on 12/1. 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.
mar. 12/96:15 amONT - JFK
1 stop20h 15mFrontier
mié. 12/104:29 pmJFK - ONT
1 stop21h 40mFrontier
Deal found 12/1![Frontier logo]()
$192
This Trip.com deal was found by Cheapflights users on 12/2. 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.
vie. 12/123:20 pmONT - JFK
1 stop21h 09mFrontier
mar. 12/166:59 amJFK - ONT
1 stop17h 18mFrontier
Deal found 12/2![Frontier logo]()
$193
This Booking.com deal was found by Cheapflights users on 12/4. 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.
mié. 12/176:15 amONT - JFK
1 stop20h 15mFrontier
mié. 1/77:59 amJFK - ONT
1 stop26h 37mFrontier
Deal found 12/4![Frontier logo]()
$194
This Mytrip deal was found by Cheapflights users on 12/2. 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.
sáb. 12/136:15 amONT - JFK
1 stop20h 15mFrontier
mar. 12/166:59 amJFK - ONT
1 stop17h 18mFrontier
Deal found 12/2![Frontier logo]()
$203
This CheapOair deal was found by Cheapflights users on 12/2. 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.
sáb. 12/136:15 amONT - JFK
1 stop20h 15mFrontier
mié. 12/176:59 amJFK - ONT
1 stop17h 18mFrontier
Deal found 12/2![Frontier logo]()
$204
This CheapOair deal was found by Cheapflights users on 12/2. 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.
lun. 12/226:00 pmONT - JFK
1 stop8h 30mFrontier
mar. 1/61:00 pmJFK - ONT
1 stop12h 12mFrontier
Deal found 12/2![Frontier logo]()
$205
Find flight deals from Ontario to John F Kennedy Intl
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to John F Kennedy Intl (JFK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 4, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $159 (American Airlines) |
One-way from | $113 (Super.com) |
Popular in | December |
Cheapest in | January |
Average price | $449 |
Good round-trip deal | $337 or less |
Good one-way deal | $292 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to John F Kennedy Intl 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 diciembre 4, 2025.
Use the filters below to find and compare flights from Ontario to New York John F Kennedy Intl Airport that are best for you.
Fly from
Ontario
Fly to
John F Kennedy Intl
Route
Depart
Return
Price
OntarioNew York
ONT - JFK
ONTJFK
Ontario
mar. 12/16
6:15 am-5:30 am
1 stop20h 15m
New York John F Kennedy Intl
lun. 1/5
6:59 am-5:15 pm
1 stop13h 16m
$234
OntarioNew York
ONT - JFK
ONTJFK
Ontario
vie. 1/30
7:00 am-3:18 pm
1 stop29h 18m
New York John F Kennedy Intl
vie. 2/6
4:22 pm-11:56 pm
1 stop10h 34m
$246
OntarioNew York
ONT - JFK
ONTJFK
Ontario
jue. 2/5
6:00 am-7:28 pm
1 stop10h 28m
New York John F Kennedy Intl
lun. 2/9
4:22 pm-11:56 pm
1 stop10h 34m
$246
OntarioNew York
ONT - JFK
ONTJFK
Ontario
lun. 1/26
6:00 am-7:28 pm
1 stop10h 28m
New York John F Kennedy Intl
vie. 1/30
4:22 pm-11:56 pm
1 stop10h 34m
$246
OntarioNew York
ONT - JFK
ONTJFK
Ontario
lun. 2/2
6:00 am-7:28 pm
1 stop10h 28m
New York John F Kennedy Intl
sáb. 2/7
11:30 am-8:36 pm
1 stop12h 06m
$246
OntarioNew York
ONT - JFK
ONTJFK
Ontario
vie. 1/30
6:00 am-7:28 pm
1 stop10h 28m
New York John F Kennedy Intl
mar. 2/3
7:00 am-3:08 pm
1 stop11h 08m
$246
OntarioNew York
ONT - JFK
ONTJFK
Ontario
jue. 2/19
7:00 am-3:45 pm
1 stop29h 45m
New York John F Kennedy Intl
dom. 2/22
5:00 pm-11:52 pm
1 stop9h 52m
$252
OntarioNew York
ONT - JFK
ONTJFK
Ontario
mié. 2/25
6:14 am-7:10 pm
1 stop9h 56m
New York John F Kennedy Intl
jue. 3/5
5:00 pm-11:52 pm
1 stop9h 52m
$253
OntarioNew York
ONT - JFK
ONTJFK
Ontario
mié. 2/25
6:14 am-7:10 pm
1 stop9h 56m
New York John F Kennedy Intl
lun. 3/2
4:25 pm-11:32 pm
1 stop10h 07m
$253
OntarioNew York
ONT - JFK
ONTJFK
Ontario
mar. 3/3
6:14 am-7:10 pm
1 stop9h 56m
New York John F Kennedy Intl
mar. 3/10
5:00 pm-11:52 pm
1 stop9h 52m
$256
Showing 1-10 of 20 results
Compare providers for flights from Ontario to John F Kennedy Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to John F Kennedy Intl in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Ontario-New York John F Kennedy Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Ontario-New York John F Kennedy Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Ontario-New York John F Kennedy Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-New York John F Kennedy Intl Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-New York John F Kennedy Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to John F Kennedy Intl
Have a flexible travel schedule? Discover the best time to fly to John F Kennedy Intl 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 New York John F Kennedy Intl Airport
Prices
Delays
More
How far ahead should I book a flight from Ontario to New York John F Kennedy Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Ontario to John F Kennedy Intl. Price data was last updated on November 28, 2025.
The price you pay for your flight from Ontario to New York John F Kennedy Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Ontario to New York John F Kennedy Intl Airport?
Currently, June is the cheapest month in which you can book a flight from Ontario to New York John F Kennedy Intl Airport (average of $114). Flying from Ontario to New York John F Kennedy Intl Airport in December is currently the most expensive (average of $162). 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 ONT to JFK?
Find hourly flight availability from Ontario to John F Kennedy Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 4, 2025.
Unlike in the evening, when flights are generally more expensive, you can save up to 11% on flights from Ontario to New York John F Kennedy Intl Airport by exploring options for tickets in the afternoon.
How often are flights from Ontario to New York delayed?
About 20% of weekly flights between Ontario and New York have experienced delays in the past year, with the average delay time being 177 minutes.
What is the most punctual flight time for Ontario to New York flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Ontario to New York flights?
Over the last year, JetBlue have had the lowest number of delays on this route, with just 15% of flights being delayed.
What’s the top layover airport for flights from Ontario to New York John F Kennedy Intl Airport?
Share of 1-stop round-trip flights from Ontario to New York John F Kennedy Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Las Vegas (LAS) – chosen by Cheapflights users on 93% of 1-stop itineraries from Ontario to New York John F Kennedy Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to New York John F Kennedy Intl Airport?
Average round-trip fare for 1-stop flights from Ontario to New York John F Kennedy Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $232.
What’s the fastest layover option from Ontario to New York John F Kennedy Intl Airport?
Shortest average travel time for 1-stop one-way flights from Ontario to New York John F Kennedy Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Seattle (SEA) have the shortest average one-way travel time for 1-stop routes: 10h 55m.
Which airport typically offers the quickest layover for flights from Ontario to New York John F Kennedy Intl Airport?
Average layover duration for 1-stop one-way flights from Ontario to New York John F Kennedy Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Seattle (SEA) offer the fastest connection on this route, with an average layover time of 2h 29m.
Reviews of airlines servicing John F Kennedy Intl
Get insights into the airlines that provide service to John F Kennedy Intl. 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 John F Kennedy Intl. Reviews last updated diciembre 4, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and American Airlines from Ontario to New York John F Kennedy Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
7.1
Boarding
8.1
Overall
8.0
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
LAX - LIH
Crew
8.5
Food
7.1
Boarding
8.1
Overall
8.0
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
LAX - LIH
Crew
8.5
Food
7.1
Boarding
8.1
Overall
8.0
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
LAX - LIH
Crew
8.5
Food
7.1
Boarding
8.1
Overall
8.0
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
LAX - LIH
Crew
8.5
Food
7.1
Boarding
8.1
Overall
8.0
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
LAX - LIH
Crew
8.5
Food
7.1
Boarding
8.1
Overall
8.0
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
LAX - LIH
Related info for your journey
Find useful and relevant information for your journey from Ontario to John F Kennedy Intl. 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 New York John F Kennedy Intl Airport?
Book flights to New York John F Kennedy Intl Airport if you plan to visit one of these locationsQueens
Bronx
East Rutherford
Mahwah
Yonkers
Elizabeth
Secaucus
North Bergen
Ronkonkoma
Stamford
Staten Island
Edgewater
Seaside Heights
Absecon
Carle Place
Parsippany
New Brunswick
Mount Laurel
Carlstadt
Carteret
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ontario to John F Kennedy Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Ontario to John F Kennedy Intl
Discover the top 5 airlines that operate flights from Ontario to John F Kennedy Intl. 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 diciembre 4, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$113 | Average$241 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$365 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$227 | Average$434 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$353 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$249 | Average$388 | FlexibilityNo cancel fee | On-time71% |