$101+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JFK
Apr 9 — Apr 161
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 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
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 March 10, 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 March 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:25 pm
ONT
- JFK
Nonstop5h 25m
JetBlue
Sat 5/235:30 pm
JFK
- ONT
Nonstop6h 15m
JetBlue
Deal found 3/9![JetBlue logo]()
$247
This Cheapflightsfares deal was found by Cheapflights users on 3/10. 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.
Fri 5/2910:00 pm
ONT
- JFK
Nonstop5h 16m
JetBlue
Mon 6/15:30 pm
JFK
- ONT
Nonstop6h 15m
JetBlue
Deal found 3/10![JetBlue logo]()
$252
This Priceline deal was found by Cheapflights users on 3/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:00 pm
ONT
- JFK
Nonstop5h 16m
JetBlue
Wed 6/35:30 pm
JFK
- ONT
Nonstop6h 15m
JetBlue
Deal found 3/5![JetBlue logo]()
$257
This Jetabroad deal was found by Cheapflights users on 3/5. 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.
Tue 5/2610:00 pm
ONT
- JFK
Nonstop5h 16m
JetBlue
Thu 5/285:30 pm
JFK
- ONT
Nonstop6h 15m
JetBlue
Deal found 3/5![JetBlue logo]()
$267
This JetBlue deal was found by Cheapflights users on 3/8. 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 5/1511:25 pm
ONT
- JFK
Nonstop5h 25m
JetBlue
Wed 5/206:59 pm
JFK
- ONT
Nonstop6h 10m
JetBlue
Deal found 3/8![JetBlue logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 4/216:00 am
ONT
- JFK
1 stop10h 06m
Alaska Airlines
Fri 4/246:42 pm
JFK
- ONT
1 stop18h 03m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:30 am
ONT
- JFK
1 stop9h 35m
American Airlines
Sat 4/185:20 pm
JFK
- ONT
1 stop8h 16m
American Airlines
Deal found 3/9![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 3/8. 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.
Sat 5/211:53 am
ONT
- JFK
1 stop9h 27m
Delta
Wed 5/611:45 am
JFK
- ONT
1 stop9h 48m
Delta
Deal found 3/8![Delta logo]()
$281
This Cheapflightsfares deal was found by Cheapflights users on 3/5. 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.
Wed 5/2710:00 pm
ONT
- JFK
Nonstop5h 16m
JetBlue
Wed 6/35:30 pm
JFK
- ONT
Nonstop6h 15m
JetBlue
Deal found 3/5![JetBlue logo]()
$282
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:59 pm
ONT
- JFK
1 stop8h 35m
American Airlines
Wed 4/155:20 pm
JFK
- ONT
1 stop8h 16m
American Airlines
Deal found 3/9![American Airlines logo]()
$284
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/1411:59 pm
ONT
- JFK
2 stops10h 29m
American Airlines
Tue 4/218:29 am
JFK
- ONT
1 stop10h 53m
American Airlines
Deal found 3/8![American Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:08 pm
ONT
- JFK
1 stop9h 58m
Delta
Wed 6/36:00 am
JFK
- ONT
1 stop7h 57m
Delta
Deal found 3/9![Delta logo]()
$287
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 March 10, 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 March 10, 2026.
This JetBlue deal was found by Cheapflights users on 3/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1511:25 pm
ONT
- JFK
Nonstop5h 25m
JetBlue
Mon 5/186:59 pm
JFK
- ONT
Nonstop6h 10m
JetBlue
Deal found 3/9![JetBlue logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 5/410:39 am
ONT
- JFK
1 stop9h 20m
Alaska Airlines
Sat 5/94:29 pm
JFK
- ONT
1 stop10h 19m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 3/8. 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 3/245:53 pm
ONT
- JFK
1 stop10h 22m
Delta
Thu 4/26:45 pm
JFK
- ONT
1 stop8h 06m
Delta
Deal found 3/8![Delta logo]()
$559
This JetBlue deal was found by Cheapflights users on 3/8. 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 6/1611:59 pm
ONT
- JFK
Nonstop5h 22m
JetBlue
Mon 6/297:35 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 3/8![JetBlue logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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
Tue 5/129:35 am
JFK
- ONT
2 stops15h 57m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$365
This JetBlue deal was found by Cheapflights users on 3/6. 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.
Wed 8/2611:59 pm
ONT
- JFK
Nonstop5h 22m
JetBlue
Sun 9/67:35 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 3/6![JetBlue logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 4/2810:39 am
ONT
- JFK
1 stop9h 20m
Alaska Airlines
Tue 5/124:29 pm
JFK
- ONT
1 stop10h 19m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$412
This JetBlue deal was found by Cheapflights users on 3/7. 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 6/3011:59 pm
ONT
- JFK
Nonstop5h 22m
JetBlue
Sat 7/47:35 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 3/7![JetBlue logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 4/226:00 am
ONT
- JFK
2 stops13h 17m
Alaska Airlines
Wed 4/297:00 am
JFK
- ONT
1 stop10h 32m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$542
This JetBlue deal was found by Cheapflights users on 3/6. 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 5/1411:25 pm
ONT
- JFK
Nonstop5h 25m
JetBlue
Mon 5/186:59 pm
JFK
- ONT
Nonstop6h 10m
JetBlue
Deal found 3/6![JetBlue logo]()
$537
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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.
Mon 8/35:38 pm
ONT
- JFK
1 stop11h 03m
Alaska Airlines
Fri 8/75:08 pm
JFK
- ONT
1 stop9h 46m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$592
This JetBlue deal was found by Cheapflights users on 3/8. 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 6/1811:59 pm
ONT
- JFK
Nonstop5h 22m
JetBlue
Mon 6/227:35 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 3/8![JetBlue logo]()
$572
Last-minute flights from Ontario to John F Kennedy IntlDiscover last-minute flight deals from Ontario to John F Kennedy Intl. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to John F Kennedy Intl. Data last updated March 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:59 pm
ONT
- JFK
1 stop8h 35m
American Airlines
Wed 4/155:20 pm
JFK
- ONT
1 stop8h 16m
American Airlines
Deal found 3/9![American Airlines logo]()
$284
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/1411:59 pm
ONT
- JFK
1 stop8h 35m
American Airlines
Tue 4/218:29 am
JFK
- ONT
1 stop10h 53m
American Airlines
Deal found 3/6![American Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:59 pm
ONT
- JFK
1 stop8h 35m
American Airlines
Fri 4/175:20 pm
JFK
- ONT
1 stop9h 26m
American Airlines
Deal found 3/9![American Airlines logo]()
$287
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:30 am
ONT
- JFK
1 stop9h 35m
American Airlines
Sat 4/185:20 pm
JFK
- ONT
1 stop8h 16m
American Airlines
Deal found 3/9![American Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:15 am
ONT
- JFK
2 stops10h 50m
American Airlines
Thu 4/232:29 pm
JFK
- ONT
1 stop11h 07m
American Airlines
Deal found 3/9![American Airlines logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 4/216:00 am
ONT
- JFK
1 stop10h 06m
Alaska Airlines
Fri 4/246:42 pm
JFK
- ONT
1 stop18h 03m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/2211:59 pm
ONT
- JFK
1 stop8h 35m
American Airlines
Sat 4/2511:00 am
JFK
- ONT
2 stops11h 34m
American Airlines
Deal found 3/5![American Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 4/2711:59 pm
ONT
- JFK
1 stop10h 29m
American Airlines
Thu 4/305:20 pm
JFK
- ONT
1 stop9h 26m
American Airlines
Deal found 3/8![American Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 3/6. 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.
Thu 4/3011:59 pm
ONT
- JFK
1 stop10h 29m
American Airlines
Sat 5/26:35 am
JFK
- ONT
1 stop7h 59m
American Airlines
Deal found 3/6![American Airlines logo]()
$289
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 March 10, 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 March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 5/412:59 am
ONT
- JFK
2 stops30h 30m
Frontier
Deal found 3/5![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 5/412:22 pm
ONT
- JFK
2 stops43h 07m
Frontier
Deal found 3/8![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/2712:59 am
ONT
- JFK
2 stops31h 51m
Frontier
Deal found 3/8![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/1312:59 am
ONT
- JFK
2 stops31h 51m
Frontier
Deal found 3/8![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:59 am
ONT
- JFK
2 stops31h 51m
Frontier
Deal found 3/9![Frontier logo]()
$125
This JetBlue deal was found by Cheapflights users on 3/5. 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 5/1911:25 pm
ONT
- JFK
Nonstop5h 25m
JetBlue
Deal found 3/5![JetBlue logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Sun 4/198:21 am
ONT
- JFK
2 stops48h 29m
Frontier
Deal found 3/6![Frontier logo]()
$137
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Cheapflightsfares) |
One-way from | $101 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $436 |
Good round-trip deal | $317 or less |
Good one-way deal | $245 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 March 10, 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
Fri 5/15
11:25 pm-7:50 am
Nonstop5h 25m
New York John F Kennedy Intl
Mon 5/18
6:59 pm-10:09 pm
Nonstop6h 10m
$297
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Mon 5/4
10:39 am-10:59 pm
1 stop9h 20m
New York John F Kennedy Intl
Sat 5/9
4:29 pm-11:48 pm
1 stop10h 19m
$342
Quickest round-trip
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Tue 6/16
11:59 pm-8:21 am
Nonstop5h 22m
New York John F Kennedy Intl
Mon 6/29
7:35 pm-10:40 pm
Nonstop6h 05m
$362
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Thu 5/7
10:39 am-10:59 pm
1 stop9h 20m
New York John F Kennedy Intl
Tue 5/12
9:35 am-10:32 pm
2 stops15h 57m
$365
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Wed 8/26
11:59 pm-8:21 am
Nonstop5h 22m
New York John F Kennedy Intl
Sun 9/6
7:35 pm-10:40 pm
Nonstop6h 05m
$372
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Tue 4/28
10:39 am-10:59 pm
1 stop9h 20m
New York John F Kennedy Intl
Tue 5/12
4:29 pm-11:48 pm
1 stop10h 19m
$412
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Tue 6/30
11:59 pm-8:21 am
Nonstop5h 22m
New York John F Kennedy Intl
Sat 7/4
7:35 pm-10:40 pm
Nonstop6h 05m
$427
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Thu 5/14
11:25 pm-7:50 am
Nonstop5h 25m
New York John F Kennedy Intl
Mon 5/18
6:59 pm-10:09 pm
Nonstop6h 10m
$537
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Wed 4/22
6:00 am-10:17 pm
2 stops13h 17m
New York John F Kennedy Intl
Wed 4/29
7:00 am-2:32 pm
1 stop10h 32m
$542
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Tue 3/24
5:53 pm-7:15 am
1 stop10h 22m
New York John F Kennedy Intl
Thu 4/2
6:45 pm-11:51 pm
1 stop8h 06m
$559
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 March.
| 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.
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
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 March 6, 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 March is currently the most expensive (average of $189). 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.
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 March 10, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andJetBlue 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
Comfort
7.8
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.1
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.1
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.1
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.1
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.1
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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
Mahwah
Bronx
East Rutherford
Yonkers
Secaucus
Elizabeth
Mount Laurel
North Bergen
Edgewater
Irvington
Seaside Heights
Carle Place
Absecon
Parsippany
Tannersville
Staten Island
Carteret
Stamford
New Brunswick
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Other flights to John F Kennedy Intl
Explore flights to John F Kennedy Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Ontario and John F Kennedy Intl flights
Browse other Ontario and John F Kennedy Intl flight options. Last updated on March 10, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$255 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$322 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$219 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$229 | Average$349 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$249 | Average$377 | FlexibilityNo cancel fee | On-time71% |