John F Kennedy Intl

$107+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JFK
ene. 11 — ene. 181
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Cheapflights Tip: The best prices from Ontario to New York John F Kennedy Intl are usually found in January or November, booked 42 days in advance, depart on a Saturday or Sunday and return on a Friday

Cheap flight deals from Ontario to John F Kennedy Intl

Cheapest flights from Ontario to John F Kennedy Intl
Explore the most affordable flight options available from Ontario to John F Kennedy Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This Trip.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/176:15 amONT - JFK
1 stop20h 15mFrontier
sáb. 1/107:59 amJFK - ONT
1 stop9h 27mFrontier
Deal found 12/11$197
This Frontier deal was found by Cheapflights users on 12/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:07 pmONT - JFK
1 stop8h 23mFrontier
sáb. 1/107:59 amJFK - ONT
1 stop9h 27mFrontier
Deal found 12/9$207
This CheapOair deal was found by Cheapflights users on 12/11. 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.
dom. 12/216:00 amONT - JFK
1 stop20h 30mFrontier
sáb. 1/107:59 amJFK - ONT
1 stop26h 37mFrontier
Deal found 12/11$208
This CheapOair deal was found by Cheapflights users on 12/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:45 amONT - JFK
1 stop29h 35mFrontier
mié. 1/77:59 amJFK - ONT
1 stop26h 37mFrontier
Deal found 12/10$229
This Mytrip deal was found by Cheapflights users on 12/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/136:15 amONT - JFK
1 stop20h 15mFrontier
mié. 12/176:59 amJFK - ONT
1 stop17h 18mFrontier
Deal found 12/10$233
This CheapOair deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/246:00 amONT - JFK
1 stop20h 30mFrontier
jue. 1/16:59 amJFK - ONT
1 stop13h 23mFrontier
Deal found 12/11$234
This Frontier deal was found by Cheapflights users on 12/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:07 pmONT - JFK
1 stop8h 23mFrontier
vie. 1/97:59 amJFK - ONT
1 stop9h 55mFrontier
Deal found 12/10$242
This CheapOair deal was found by Cheapflights users on 12/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1112:04 pmONT - JFK
1 stop24h 25mFrontier
mié. 12/176:59 amJFK - ONT
1 stop17h 18mFrontier
Deal found 12/10$254
This CheapOair deal was found by Cheapflights users on 12/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/155:18 pmONT - JFK
1 stop9h 12mFrontier
lun. 1/127:59 amJFK - ONT
1 stop9h 52mFrontier
Deal found 12/10$255
This Frontier deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:07 pmONT - JFK
1 stop8h 23mFrontier
jue. 1/16:59 amJFK - ONT
1 stop13h 23mFrontier
Deal found 12/11$258
This CheapOair deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:45 amONT - JFK
1 stop29h 35mFrontier
lun. 1/56:59 amJFK - ONT
1 stop17h 18mFrontier
Deal found 12/11$259

Find flight deals from Ontario to John F Kennedy Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to John F Kennedy Intl (JFK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$172
(Kiwi.com)

One-way from

$107
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$454

Good round-trip deal

$258 or less
Provider with most accurate pricing for Ontario-New York John F Kennedy Intl flight deals.
Provider most trusted by Cheapflights users for Ontario-New York John F Kennedy Intl flights.
From Ontario to New York John F Kennedy Intl
One-way flight from Ontario to New York John F Kennedy Intl
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Ontario to New York John F Kennedy Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to John F Kennedy Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from Ontario to New York John F Kennedy Intl Airport that are best for you.

Fly from

Ontario

Fly to

John F Kennedy Intl

Route

Depart

Return

Price

OntarioNew York

ONT - JFK

ONTJFK

Ontario

dom. 12/21

6:00 am-5:30 am

1 stop20h 30m

New York John F Kennedy Intl

sáb. 1/10

7:59 am-7:36 am

1 stop26h 37m

$208

OntarioNew York

ONT - JFK

ONTJFK

Ontario

vie. 12/26

5:54 pm-5:30 am

1 stop8h 36m

New York John F Kennedy Intl

jue. 1/1

6:59 am-5:22 pm

1 stop13h 23m

$208

OntarioNew York

ONT - JFK

ONTJFK

Ontario

lun. 1/5

6:00 pm-5:29 am

1 stop8h 29m

New York John F Kennedy Intl

vie. 1/9

7:59 am-2:54 pm

1 stop9h 55m

$238

OntarioNew York

ONT - JFK

ONTJFK

Ontario

jue. 1/22

6:00 am-7:28 pm

1 stop10h 28m

New York John F Kennedy Intl

mar. 1/27

7:00 am-3:08 pm

1 stop11h 08m

$246

OntarioNew York

ONT - JFK

ONTJFK

Ontario

jue. 1/29

5:59 pm-3:18 pm

1 stop18h 19m

New York John F Kennedy Intl

jue. 2/5

7:00 am-3:08 pm

1 stop11h 08m

$246

OntarioNew York

ONT - JFK

ONTJFK

Ontario

jue. 1/22

6:00 am-7:28 pm

1 stop10h 28m

New York John F Kennedy Intl

jue. 1/29

4:22 pm-11:56 pm

1 stop10h 34m

$246

OntarioNew York

ONT - JFK

ONTJFK

Ontario

jue. 1/29

6:00 am-7:28 pm

1 stop10h 28m

New York John F Kennedy Intl

mar. 2/10

7:00 am-3:08 pm

1 stop11h 08m

$246

OntarioNew York

ONT - JFK

ONTJFK

Ontario

jue. 2/19

7:00 am-3:45 pm

1 stop29h 45m

New York John F Kennedy Intl

dom. 2/22

5:00 pm-11:52 pm

1 stop9h 52m

$256

OntarioNew York

ONT - JFK

ONTJFK

Ontario

vie. 1/9

12:41 pm-12:51 am

1 stop9h 10m

New York John F Kennedy Intl

sáb. 1/17

5:59 am-11:31 am

1 stop8h 32m

$257

OntarioNew York

ONT - JFK

ONTJFK

Ontario

dom. 1/11

10:30 pm-10:00 am

1 stop8h 30m

New York John F Kennedy Intl

sáb. 1/17

5:59 am-11:31 am

1 stop8h 32m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 20 results
1
2

Compare providers for flights from Ontario to John F Kennedy Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to John F Kennedy Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-New York John F Kennedy Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Ontario-New York John F Kennedy Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Ontario-New York John F Kennedy Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-New York John F Kennedy Intl Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-New York John F Kennedy Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to John F Kennedy Intl

Have a flexible travel schedule? Discover the best time to fly to John F Kennedy Intl from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to New York John F Kennedy Intl Airport

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 December 5, 2025.

The price you pay for your flight from Ontario to New York John F Kennedy Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Ontario to New York John F Kennedy Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Ontario to New York John F Kennedy Intl Airport (average of $107). Flying from Ontario to New York John F Kennedy Intl Airport in December is currently the most expensive (average of $164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to JFK?

Find hourly flight availability from Ontario to John F Kennedy Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 11% on flights from Ontario to New York John F Kennedy Intl Airport by exploring options for tickets in the afternoon.

Reviews of airlines servicing John F Kennedy Intl

Get insights into the airlines that provide service to John F Kennedy Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to John F Kennedy Intl. Reviews last updated diciembre 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and American Airlines from Ontario to New York John F Kennedy Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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.
  • What airport do you fly from for flights from Ontario to New York John F Kennedy Intl?

    Most people fly from Ontario (ONT) if they book a flight from Ontario to New York John F Kennedy Intl. On average, Ontario has 0 outbound flights to New York John F Kennedy Intl per day from 5 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Ontario to New York John F Kennedy Intl Airport?

    Departing from Ontario to New York John F Kennedy Intl Airport will take you 10h 28m. Ontario and New York John F Kennedy Intl Airport are separated by a distance of 2422 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Ontario to New York John F Kennedy Intl Airport round-trip?

    Flying on Frontier is currently your cheapest option to New York John F Kennedy Intl Airport, with prices starting at $99. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Delta, with the lowest prices starting at $158 and $219, respectively. Frontier is priced at 71% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Ontario to New York John F Kennedy Intl Airport one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $71. American Airlines flights start at $128 while deals on JetBlue start at $133 one-way.

  • What are the most reliable airlines from Ontario to New York John F Kennedy Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ontario to New York John F Kennedy Intl Airport on time: Etihad Airways (79%), JetBlue (79%), Air Serbia (33%).

  • What are the cheapest flights from Ontario to New York John F Kennedy Intl Airport?

    The cheapest flight price from Ontario to New York John F Kennedy Intl Airport is $188. On average you can expect to pay $337. The most popular route, (Ontario - New York John F Kennedy Intl), can usually be booked for $182.

  • Can I find deals for flights from Ontario to John F Kennedy Intl that include hotel bookings?

    Yes. In addition to deals on Ontario to John F Kennedy Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to John F Kennedy Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to John F Kennedy Intl.

  • Can I find deals for business class flights from Ontario to John F Kennedy Intl?

    Yes. Cheapflights offers flight deals from Ontario to John F Kennedy Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to New York John F Kennedy Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Ontario to New York John F Kennedy Intl Airport (average of $107). Flying from Ontario to New York John F Kennedy Intl Airport in December is currently the most expensive (average of $164). 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.

See more FAQs

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 locations
Queens
Bronx
East Rutherford
Mahwah
Yonkers
Elizabeth
Secaucus
North Bergen
Ronkonkoma
Stamford
Staten Island
Edgewater
Carteret
Seaside Heights
Shelton
Absecon
Carle Place
Parsippany
New Brunswick
Mount Laurel

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Alternative routes for Ontario to John F Kennedy Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Ontario to John F Kennedy Intl

Discover the top 5 airlines that operate flights from Ontario to John F Kennedy Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$241FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$158Average$365FlexibilityNo cancel feeOn-time75%
DeltaCheapest$227Average$434FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$237Average$353FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$248Average$387FlexibilityNo cancel feeOn-time71%

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