$97+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JFK
feb. 26 — mar. 51
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 April or January, booked 66 days in advance, depart on a Sunday or Saturday 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 enero 27, 2026.
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 enero 27, 2026.
This Frontier deal was found by Cheapflights users on 1/25. 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.
mar. 4/147:29 pm
ONT
- JFK
1 stop8h 01m
Frontier
mar. 4/217:30 am
JFK
- ONT
1 stop9h 10m
Frontier
Deal found 1/25![Frontier logo]()
$201
This CheapOair deal was found by Cheapflights users on 1/26. 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.
jue. 5/711:44 am
ONT
- JFK
1 stop15h 46m
Frontier
mar. 5/127:30 am
JFK
- ONT
1 stop9h 10m
Frontier
Deal found 1/26![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 1/26. 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.
jue. 4/2311:44 am
ONT
- JFK
1 stop15h 46m
Frontier
dom. 4/267:30 am
JFK
- ONT
1 stop27h 34m
Frontier
Deal found 1/26![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
dom. 4/1912:59 am
ONT
- JFK
2 stops30h 01m
Frontier
mié. 4/297:30 am
JFK
- ONT
1 stop9h 10m
Frontier
Deal found 1/25![Frontier logo]()
$216
This Frontier deal was found by Cheapflights users on 1/26. 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. 4/222:44 pm
ONT
- JFK
1 stop12h 46m
Frontier
sáb. 4/257:30 am
JFK
- ONT
1 stop13h 53m
Frontier
Deal found 1/26![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
mié. 4/2212:59 am
ONT
- JFK
2 stops30h 01m
Frontier
mar. 4/287:30 am
JFK
- ONT
1 stop9h 10m
Frontier
Deal found 1/26![Frontier logo]()
$232
This CheapOair deal was found by Cheapflights users on 1/26. 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.
jue. 4/1611:44 am
ONT
- JFK
1 stop15h 46m
Frontier
sáb. 5/27:30 am
JFK
- ONT
1 stop13h 53m
Frontier
Deal found 1/26![Frontier logo]()
$233
This Expedia deal was found by Cheapflights users on 1/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/27:18 pm
ONT
- JFK
1 stop8h 12m
Multiple Airlines
sáb. 5/166:59 pm
JFK
- ONT
Nonstop6h 10m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$234
This Expedia deal was found by Cheapflights users on 1/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/711:44 am
ONT
- JFK
1 stop15h 46m
Frontier
dom. 5/107:30 am
JFK
- ONT
1 stop15h 34m
Frontier
Deal found 1/24![Frontier logo]()
$236
This American Airlines deal was found by Cheapflights users on 1/24. 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.
dom. 2/2211:58 pm
ONT
- JFK
1 stop8h 33m
American Airlines
sáb. 2/286:30 am
JFK
- ONT
1 stop8h 06m
American Airlines
Deal found 1/24![American Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
mié. 4/2212:59 am
ONT
- JFK
2 stops30h 01m
Frontier
lun. 4/277:30 am
JFK
- ONT
1 stop15h 34m
Frontier
Deal found 1/26![Frontier logo]()
$239
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 enero 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $191 (CheapOair) |
One-way from | $97 (Super.com) |
Popular in | March |
Cheapest in | April |
Average price | $297 |
Good round-trip deal | $357 or less |
Good one-way deal | $178 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 enero 27, 2026.
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
mié. 4/22
2:44 pm-6:30 am
1 stop12h 46m
New York John F Kennedy Intl
mié. 4/29
7:30 am-6:34 pm
1 stop14h 04m
$201
OntarioNew York
ONT - JFK
ONTJFK
Ontario
mar. 2/17
5:00 pm-6:25 am
1 stop10h 25m
New York John F Kennedy Intl
mié. 2/18
4:05 pm-11:49 pm
1 stop10h 44m
$257
OntarioNew York
ONT - JFK
ONTJFK
Ontario
mar. 4/28
2:44 pm-6:30 am
1 stop12h 46m
New York John F Kennedy Intl
mié. 5/6
7:30 am-6:34 pm
1 stop14h 04m
$262
OntarioNew York
ONT - JFK
ONTJFK
Ontario
mié. 4/29
11:53 am-12:20 am
1 stop9h 27m
New York John F Kennedy Intl
jue. 5/7
10:10 am-6:15 pm
1 stop11h 05m
$278
OntarioNew York
ONT - JFK
ONTJFK
Ontario
mar. 4/28
5:55 pm-6:53 am
1 stop9h 58m
New York John F Kennedy Intl
vie. 5/8
10:10 am-6:15 pm
1 stop11h 05m
$278
OntarioNew York
ONT - JFK
ONTJFK
Ontario
mar. 4/28
5:55 pm-6:53 am
1 stop9h 58m
New York John F Kennedy Intl
jue. 5/7
10:10 am-6:15 pm
1 stop11h 05m
$278
OntarioNew York
ONT - JFK
ONTJFK
Ontario
mar. 4/28
5:55 pm-6:53 am
1 stop9h 58m
New York John F Kennedy Intl
mié. 5/20
10:10 am-6:15 pm
1 stop11h 05m
$279
OntarioNew York
ONT - JFK
ONTJFK
Ontario
mar. 5/19
11:25 pm-7:50 am
Nonstop5h 25m
New York John F Kennedy Intl
sáb. 5/23
6:59 pm-10:09 pm
Nonstop6h 10m
$287
OntarioNew York
ONT - JFK
ONTJFK
Ontario
mar. 5/26
11:25 pm-7:50 am
Nonstop5h 25m
New York John F Kennedy Intl
mar. 6/2
6:59 pm-10:09 pm
Nonstop6h 10m
$297
OntarioNew York
ONT - JFK
ONTJFK
Ontario
mar. 5/26
11:25 pm-7:50 am
Nonstop5h 25m
New York John F Kennedy Intl
sáb. 5/30
6:59 pm-10:09 pm
Nonstop6h 10m
$297
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-New York John F Kennedy Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 23, 2026.
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 66 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, November is the cheapest month in which you can book a flight from Ontario to New York John F Kennedy Intl Airport (average of $107). Flying from Ontario to New York John F Kennedy Intl Airport in December is currently the most expensive (average of $160). 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.
How often are flights from Ontario to New York delayed?
About 18% 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?
Wednesday 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 enero 27, 2026.
Peruse reviews from past customers who have flown with Delta, American Airlines, and JetBlue 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.
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentSally,Oct 2025
ATH - JFK
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentSally,Oct 2025
ATH - JFK
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentSally,Oct 2025
ATH - JFK
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentSally,Oct 2025
ATH - JFK
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentSally,Oct 2025
ATH - JFK
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
Mahwah
East Rutherford
Yonkers
Elizabeth
Secaucus
Mount Laurel
North Bergen
Ronkonkoma
Edgewater
Seaside Heights
Absecon
Carle Place
Parsippany
Staten Island
Carteret
Stamford
New Brunswick
Carlstadt
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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 4 airlines flying from Ontario to John F Kennedy Intl
Discover the top 4 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 enero 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$109 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$219 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$232 | Average$349 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$248 | Average$377 | FlexibilityNo cancel fee | On-time71% |