$154+ Cheap flights from Ontario (ONT) to John F Kennedy Intl, NY (JFK)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JFK
Oct 7 — Oct 141
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 53 days in advance, depart on a Monday or Tuesday and return on a Wednesday
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 September 7, 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 September 7, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:35 pm -
1 stop7h 05m
Thu 11/126:00 am -
1 stop8h 08m
Deal found 9/3![Delta logo]()
$307
This Gotogate deal was found by Cheapflights users on 9/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:13 pm -
1 stop22h 07m
Sat 10/247:22 am -
1 stop13h 38m
Deal found 9/4![Alaska Airlines logo]()
$308
This Mytrip deal was found by Cheapflights users on 9/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:02 am -
1 stop13h 27m
Tue 11/37:00 am -
1 stop11h 13m
Deal found 9/6![Alaska Airlines logo]()
$309
This Booking.com deal was found by Cheapflights users on 9/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
1 stop13h 55m
Thu 11/121:00 pm -
1 stop13h 06m
Deal found 9/6![Alaska Airlines logo]()
$310
This Mytrip deal was found by Cheapflights users on 9/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:15 am -
1 stop9h 04m
Sat 11/76:31 pm -
1 stop19h 47m
Deal found 9/4![Alaska Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am -
1 stop8h 55m
Tue 10/63:30 pm -
2 stops10h 10m
Deal found 9/2![American Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:10 pm -
1 stop8h 19m
Sat 10/248:29 am -
1 stop9h 47m
Deal found 9/4![American Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:20 am -
1 stop8h 40m
Mon 12/78:28 am -
1 stop10h 51m
Deal found 9/3![American Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:25 am -
1 stop9h 10m
Sat 10/36:46 am -
2 stops9h 39m
Deal found 9/2![American Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:35 pm -
1 stop7h 05m
Sat 11/146:00 am -
1 stop8h 08m
Deal found 9/6![Delta logo]()
$327
This KAYAK deal was found by Cheapflights users on 9/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:54 am -
1 stop9h 27m
Wed 10/76:00 am -
1 stop9h 36m
Deal found 9/3![Delta logo]()
$340
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 September 7, 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 September 7, 2026.
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:15 pm -
1 stop10h 11m
Mon 10/56:35 pm -
1 stop8h 12m
Deal found 9/2![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:15 am -
1 stop9h 04m
Sat 11/214:30 pm -
1 stop10h 01m
Deal found 9/6![Alaska Airlines logo]()
$362
This JetBlue deal was found by Cheapflights users on 9/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:39 pm -
Nonstop5h 21m
Sat 10/106:59 pm -
Nonstop6h 15m
Deal found 9/2![JetBlue logo]()
$457
This KAYAK deal was found by Cheapflights users on 9/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:20 am -
1 stop10h 15m
Fri 9/257:29 am -
1 stop8h 56m
Deal found 9/2![American Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:16 pm -
1 stop7h 17m
Wed 11/116:40 am -
1 stop8h 37m
Deal found 9/2![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:15 pm -
1 stop7h 40m
Thu 11/196:48 pm -
1 stop8h 01m
Deal found 9/5![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:15 am -
1 stop9h 04m
Wed 11/254:30 pm -
1 stop10h 01m
Deal found 9/6![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:15 pm -
1 stop7h 40m
Fri 11/134:05 pm -
1 stop8h 52m
Deal found 9/5![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:02 am -
1 stop13h 27m
Sat 10/171:00 pm -
1 stop24h 17m
Deal found 9/6![Alaska Airlines logo]()
$523
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:15 am -
2 stops12h 40m
Sat 11/214:30 pm -
1 stop10h 01m
Deal found 9/4![Alaska Airlines logo]()
$525
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/25:38 pm -
1 stop8h 51m
Thu 1/76:00 am -
1 stop8h 27m
Deal found 9/6![Delta logo]()
$513
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:56 pm -
1 stop9h 48m
Tue 10/277:22 am -
2 stops11h 40m
Deal found 9/3![Alaska Airlines logo]()
$536
Last-minute flights from Ontario to John F Kennedy IntlDiscover last-minute flight deals from Ontario to John F Kennedy Intl. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to John F Kennedy Intl. Data last updated September 7, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 9/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:14 pm -
1 stop8h 47m
Tue 9/295:59 pm -
Nonstop5h 58m
Deal found 9/4![Multiple Airlines logo]()
$342
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am -
1 stop8h 55m
Tue 10/63:30 pm -
2 stops10h 10m
Deal found 9/2![American Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:25 am -
1 stop9h 10m
Sat 10/36:46 am -
2 stops9h 39m
Deal found 9/2![American Airlines logo]()
$322
This KAYAK deal was found by Cheapflights users on 9/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:54 am -
1 stop9h 27m
Wed 10/76:00 am -
1 stop9h 36m
Deal found 9/3![Delta logo]()
$340
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 pm -
1 stop10h 11m
Wed 10/217:10 am -
1 stop13h 02m
Deal found 9/7![Delta logo]()
$327
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:34 pm -
1 stop7h 09m
Fri 10/237:00 am -
1 stop8h 14m
Deal found 9/3![American Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:35 pm -
1 stop7h 05m
Tue 11/179:30 am -
1 stop9h 54m
Deal found 9/3![Delta logo]()
$307
This Gotogate deal was found by Cheapflights users on 9/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:13 pm -
1 stop22h 07m
Sat 10/247:22 am -
1 stop13h 38m
Deal found 9/4![Alaska Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:10 pm -
1 stop8h 19m
Sat 10/248:29 am -
1 stop9h 47m
Deal found 9/4![American Airlines logo]()
$313
This Mytrip deal was found by Cheapflights users on 9/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:02 am -
1 stop13h 27m
Tue 11/37:00 am -
1 stop11h 13m
Deal found 9/6![Alaska Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:34 pm -
2 stops10h 55m
Wed 10/287:58 am -
2 stops10h 18m
Deal found 9/2![American Airlines logo]()
$317
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 September 7, 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 September 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:14 pm -
1 stop8h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Alaska Airlines logo]()
$154
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/151:23 pm -
1 stop7h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$155
This Booking.com deal was found by Cheapflights users on 9/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:02 am -
1 stop13h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Alaska Airlines logo]()
$159
This Mytrip deal was found by Cheapflights users on 9/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:02 am -
1 stop13h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Alaska Airlines logo]()
$160
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:16 pm -
1 stop9h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$164
This KAYAK deal was found by Cheapflights users on 9/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:04 pm -
1 stop7h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$170
This KAYAK deal was found by Cheapflights users on 9/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:54 am -
1 stop9h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Delta logo]()
$178
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:38 pm -
1 stop10h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$184
This KAYAK deal was found by Cheapflights users on 9/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:39 pm -
Nonstop5h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![JetBlue logo]()
$187
This KAYAK deal was found by Cheapflights users on 9/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:42 pm -
Nonstop5h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![JetBlue logo]()
$188
This JetBlue deal was found by Cheapflights users on 9/6. 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.
Sat 10/1011:05 pm -
Nonstop5h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![JetBlue logo]()
$189
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (Delta) |
One-way from | $154 (Alaska Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $376 |
Good round-trip deal | $428 or less |
Good one-way deal | $214 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 7,457,451 searches. Data last updated September 7, 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 Ontario - JFK New York John F Kennedy Intl
ONTJFK
Ontario
Fri 1/15
7:10 am-7:23 pm
1 stop9h 13m
New York John F Kennedy Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$154
OntarioNew York
ONT Ontario - JFK New York John F Kennedy Intl
ONTJFK
Ontario
Tue 9/22
5:15 pm-6:26 am
1 stop10h 11m
New York John F Kennedy Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$154
OntarioNew York
ONT Ontario - JFK New York John F Kennedy Intl
ONTJFK
Ontario
Fri 2/5
7:10 am-7:23 pm
1 stop9h 13m
New York John F Kennedy Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$154
OntarioNew York
ONT Ontario - JFK New York John F Kennedy Intl
ONTJFK
Ontario
Wed 3/3
3:30 pm-6:22 am
1 stop11h 52m
New York John F Kennedy Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$154
OntarioNew York
ONT Ontario - JFK New York John F Kennedy Intl
ONTJFK
Ontario
Tue 12/1
11:57 am-11:56 pm
1 stop8h 59m
New York John F Kennedy Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$164
OntarioNew York
ONT Ontario - JFK New York John F Kennedy Intl
ONTJFK
Ontario
Sun 12/6
5:04 pm-6:23 am
1 stop10h 19m
New York John F Kennedy Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$164
OntarioNew York
ONT Ontario - JFK New York John F Kennedy Intl
ONTJFK
Ontario
Sat 11/21
11:57 am-11:57 pm
1 stop9h 00m
New York John F Kennedy Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$164
OntarioNew York
ONT Ontario - JFK New York John F Kennedy Intl
ONTJFK
Ontario
Sat 12/5
12:20 pm-1:01 am
1 stop9h 41m
New York John F Kennedy Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$164
Quickest round-trip
OntarioNew York
ONT Ontario - JFK New York John F Kennedy Intl
ONTJFK
Ontario
Sat 10/10
11:05 pm-7:23 am
Nonstop5h 18m
New York John F Kennedy Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
OntarioNew York
ONT Ontario - JFK New York John F Kennedy Intl
ONTJFK
Ontario
Tue 10/6
10:42 pm-7:00 am
Nonstop5h 18m
New York John F Kennedy Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
Showing 1-10 of 24 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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?
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 52 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 June is currently the most expensive (average of $495). 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 September 7, 2026.
When flying from Ontario to New York John F Kennedy Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 157 minutes.
What is the most punctual flight time for Ontario to New York flights?
Historically, flights departing at night 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 Saturday 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 19% 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 September 7, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, 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.
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayHoward,Dec 2022
SAN - JFK
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayHoward,Dec 2022
SAN - JFK
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayHoward,Dec 2022
SAN - JFK
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayHoward,Dec 2022
SAN - JFK
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayHoward,Dec 2022
SAN - JFK
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayHoward,Dec 2022
SAN - 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
Elizabeth
East Rutherford
Mahwah
Staten Island
Mount Laurel
Yonkers
Irvington
Secaucus
Seaside Heights
North Bergen
Tannersville
Carle Place
Absecon
Carteret
Fort Lee
Goshen
Parsippany
Avenel
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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 September 7, 2026.
Ontario and John F Kennedy Intl flights
Browse other Ontario and John F Kennedy Intl flight options. Last updated on September 7, 2026.
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Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
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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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$131 | Average$269 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$346 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$237 | Average$425 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$251 | Average$382 | FlexibilityNo cancel fee | On-time71% |