$144+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JFK
May 26 — Jun 21
Round-trip
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 November, booked 21 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
Best
Last-minute
One-way
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 April 26, 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 April 26, 2026.
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Fri 5/111:59 pm
ONT
- JFK
1 stop10h 29m
American Airlines
Fri 5/85:20 pm
JFK
- ONT
1 stop9h 26m
American Airlines
Deal found 4/24![American Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 5/512:19 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Thu 5/711:00 am
JFK
- ONT
2 stops10h 23m
American Airlines
Deal found 4/21![American Airlines logo]()
$282
This lol.travel deal was found by Cheapflights users on 4/25. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Fri 5/295:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/25![JetBlue logo]()
$291
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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 5/2310:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Sat 5/305:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/23![JetBlue logo]()
$292
This Super.com deal was found by Cheapflights users on 4/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Fri 6/55:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/25![JetBlue logo]()
$293
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Wed 10/2110:29 am
ONT
- JFK
2 stops9h 00m
American Airlines
Wed 10/286:30 am
JFK
- ONT
1 stop7h 57m
American Airlines
Deal found 4/21![American Airlines logo]()
$296
This JetBlue deal was found by Cheapflights users on 4/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Mon 8/177:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 4/21![JetBlue logo]()
$297
This Delta deal was found by Cheapflights users on 4/23. 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 8/2510:59 pm
ONT
- JFK
1 stop7h 56m
Delta
Fri 8/281:10 pm
JFK
- ONT
1 stop7h 51m
Delta
Deal found 4/23![Delta logo]()
$300
Best flights from Ontario to John F Kennedy IntlDiscover carefully curated flight deals from Ontario to John F Kennedy Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 26, 2026.
Discover carefully curated flight deals from Ontario to John F Kennedy Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 26, 2026.
This Delta deal was found by Cheapflights users on 4/21. 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.
Mon 6/110:00 pm
ONT
- JFK
1 stop9h 18m
Delta
Tue 6/96:00 am
JFK
- ONT
1 stop7h 40m
Delta
Deal found 4/21![Delta logo]()
$298
This JetBlue deal was found by Cheapflights users on 4/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:24 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Mon 8/107:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 4/25![JetBlue logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
ONT
- JFK
1 stop10h 27m
Alaska Airlines
Fri 5/154:15 pm
JFK
- ONT
1 stop10h 43m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$456
This JetBlue deal was found by Cheapflights users on 4/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:54 pm
ONT
- JFK
Nonstop5h 24m
JetBlue
Fri 6/197:33 pm
JFK
- ONT
Nonstop6h 06m
JetBlue
Deal found 4/23![JetBlue logo]()
$372
This Delta deal was found by Cheapflights users on 4/23. 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 5/612:49 pm
ONT
- JFK
1 stop8h 59m
Delta
Mon 5/111:11 pm
JFK
- ONT
1 stop8h 25m
Delta
Deal found 4/23![Delta logo]()
$383
This JetBlue deal was found by Cheapflights users on 4/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2611:50 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sat 8/86:59 pm
JFK
- ONT
Nonstop6h 06m
JetBlue
Deal found 4/25![JetBlue logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:10 am
ONT
- JFK
1 stop9h 02m
Alaska Airlines
Tue 9/89:55 am
JFK
- ONT
1 stop10h 23m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:00 pm
ONT
- JFK
1 stop12h 05m
Alaska Airlines
Sat 10/177:00 am
JFK
- ONT
1 stop10h 47m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$479
This JetBlue deal was found by Cheapflights users on 4/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Wed 5/275:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/25![JetBlue logo]()
$462
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
ONT
- JFK
1 stop10h 11m
Alaska Airlines
Sun 5/104:29 pm
JFK
- ONT
1 stop10h 19m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$549
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:03 pm
ONT
- JFK
1 stop11h 26m
Alaska Airlines
Tue 6/237:00 am
JFK
- ONT
1 stop12h 30m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$549
Last-minute flights from Ontario to John F Kennedy IntlDiscover last-minute flight deals from Ontario to John F Kennedy Intl. Data last updated April 26, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to John F Kennedy Intl. Data last updated April 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Fri 5/111:59 pm
ONT
- JFK
1 stop10h 29m
American Airlines
Fri 5/85:20 pm
JFK
- ONT
1 stop9h 26m
American Airlines
Deal found 4/24![American Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 5/512:19 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Thu 5/711:00 am
JFK
- ONT
2 stops10h 23m
American Airlines
Deal found 4/21![American Airlines logo]()
$282
This lol.travel deal was found by Cheapflights users on 4/25. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Fri 5/295:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/25![JetBlue logo]()
$291
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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 5/2310:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Sat 5/305:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/23![JetBlue logo]()
$292
This Super.com deal was found by Cheapflights users on 4/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Wed 5/275:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/21![JetBlue logo]()
$300
This Super.com deal was found by Cheapflights users on 4/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Fri 6/55:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/25![JetBlue logo]()
$293
This Super.com deal was found by Cheapflights users on 4/24. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Thu 6/45:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/24![JetBlue logo]()
$296
One-way flights from Ontario to John F Kennedy IntlSearch for one-way flight options from Ontario to John F Kennedy Intl. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
Search for one-way flight options from Ontario to John F Kennedy Intl. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Mon 5/188:06 pm
ONT
- JFK
2 stops36h 33m
Frontier
Deal found 4/21![Frontier logo]()
$144
This Super.com deal was found by Cheapflights users on 4/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Deal found 4/22![JetBlue logo]()
$146
This Super.com deal was found by Cheapflights users on 4/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Deal found 4/23![JetBlue logo]()
$147
This Super.com deal was found by Cheapflights users on 4/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2711:16 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Deal found 4/21![JetBlue logo]()
$148
This JetBlue deal was found by Cheapflights users on 4/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2911:54 pm
ONT
- JFK
Nonstop5h 24m
JetBlue
Deal found 4/21![JetBlue logo]()
$149
This SmartFares deal was found by Cheapflights users on 4/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:39 am
ONT
- JFK
1 stop9h 20m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$152
This Jetabroad deal was found by Cheapflights users on 4/24. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Deal found 4/24![JetBlue logo]()
$153
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:39 am
ONT
- JFK
1 stop9h 20m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$154
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:39 am
ONT
- JFK
1 stop9h 20m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$158
This KAYAK deal was found by Cheapflights users on 4/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1110:00 pm
ONT
- JFK
1 stop9h 18m
Delta
Deal found 4/21![Delta logo]()
$160
This CheapOair deal was found by Cheapflights users on 4/21. 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.
Fri 5/83:26 pm
ONT
- JFK
1 stop12h 54m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$164
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 April 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (American Airlines) |
One-way from | $144 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $380 |
Good round-trip deal | $350 or less |
Good one-way deal | $196 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 April 26, 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
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Mon 6/1
10:00 pm-10:18 am
1 stop9h 18m
New York John F Kennedy Intl
Tue 6/9
6:00 am-10:40 am
1 stop7h 40m
$298
Quickest round-trip
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sat 8/1
11:24 pm-7:45 am
Nonstop5h 21m
New York John F Kennedy Intl
Mon 8/10
7:30 pm-10:35 pm
Nonstop6h 05m
$347
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Thu 6/11
11:54 pm-8:18 am
Nonstop5h 24m
New York John F Kennedy Intl
Fri 6/19
7:33 pm-10:39 pm
Nonstop6h 06m
$372
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Wed 5/6
12:49 pm-12:48 am
1 stop8h 59m
New York John F Kennedy Intl
Mon 5/11
1:11 pm-6:36 pm
1 stop8h 25m
$383
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sun 7/26
11:50 pm-8:11 am
Nonstop5h 21m
New York John F Kennedy Intl
Sat 8/8
6:59 pm-10:05 pm
Nonstop6h 06m
$397
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sat 5/9
6:00 am-7:27 pm
1 stop10h 27m
New York John F Kennedy Intl
Fri 5/15
4:15 pm-11:58 pm
1 stop10h 43m
$456
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Fri 5/22
10:41 pm-7:10 am
Nonstop5h 29m
New York John F Kennedy Intl
Wed 5/27
5:30 pm-8:47 pm
Nonstop6h 17m
$462
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Thu 9/3
7:10 am-7:12 pm
1 stop9h 02m
New York John F Kennedy Intl
Tue 9/8
9:55 am-5:18 pm
1 stop10h 23m
$479
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Fri 10/9
4:00 pm-7:05 am
1 stop12h 05m
New York John F Kennedy Intl
Sat 10/17
7:00 am-2:47 pm
1 stop10h 47m
$479
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Tue 5/5
6:00 am-7:11 pm
1 stop10h 11m
New York John F Kennedy Intl
Sun 5/10
4:29 pm-11:48 pm
1 stop10h 19m
$549
Showing 1-10 of 23 resultsSorted by cheapest first
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 April.
| 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*1 star | |
| 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.
ONT-JFK
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?
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 20 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, January is the cheapest month in which you can book a flight from Ontario to New York John F Kennedy Intl Airport (average of $297). Flying from Ontario to New York John F Kennedy Intl Airport in March is currently the most expensive (average of $423). 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 much does it cost to fly round-trip from Ontario to New York John F Kennedy Intl Airport?
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 83% 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.
Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of $204.
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 Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 7h 59m.
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 Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 1h 19m.
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 April 26, 2026.
Peruse reviews from past customers who have flown with Delta,JetBlue, andAmerican 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
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentSally,Oct 2025
ATH - JFK
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentSally,Oct 2025
ATH - JFK
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentSally,Oct 2025
ATH - JFK
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentSally,Oct 2025
ATH - JFK
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
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
Secaucus
Mount Laurel
North Bergen
Elizabeth
Irvington
Seaside Heights
Absecon
Parsippany
Edgewater
Carle Place
Staten Island
Tannersville
Carteret
Stamford
New Brunswick
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Other flights to John F Kennedy Intl
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Ontario and John F Kennedy Intl flights
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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 April 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$259 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$229 | Average$355 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$246 | Average$376 | FlexibilityNo cancel fee | On-time71% |