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John F Kennedy Intl

$122+ 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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JFK
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to New York John F Kennedy Intl are usually found in January or September, booked 68 days in advance, depart on a Monday or Sunday and return on a Wednesday

Cheap 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 May 12, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$215
(Flightnetwork)

One-way from

$122
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$361

Good round-trip deal

$307 or less

Good one-way deal

$155 or less
Provider with most accurate pricing for Ontario-New York John F Kennedy Intl flight deals.
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Provider most trusted by Cheapflights users for Ontario-New York John F Kennedy Intl flights.
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From Ontario to New York John F Kennedy Intl
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One-way flight from Ontario to New York John F Kennedy Intl
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High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Ontario to New York John F Kennedy Intl.
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Price to beat on a one-way flight from Ontario to New York John F Kennedy Intl.
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Find 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 May 12, 2025.

This Flightnetwork deal was found by Cheapflights users on 5/12. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/27:36 pmONT - JFK
1 stop6h 54mFrontier
Tue 6/106:59 amJFK - ONT
1 stop16h 52mFrontier
Deal found 5/12$215
This American Airlines deal was found by Cheapflights users on 5/12. 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 5/306:01 amONT - JFK
2 stops10h 59mAmerican Airlines
Tue 6/102:55 pmJFK - ONT
2 stops9h 43mAmerican Airlines
Deal found 5/12$234
This JetBlue deal was found by Cheapflights users on 5/12. 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 9/1611:00 pmONT - JFK
Nonstop5h 23mJetBlue
Tue 9/236:35 pmJFK - ONT
Nonstop6h 06mJetBlue
Deal found 5/12$257
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 9/167:22 pmONT - JFK
1 stop8h 44mAlaska Airlines
Sat 9/205:29 pmJFK - ONT
1 stop9h 24mAlaska Airlines
Deal found 5/12$296
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2511:25 amONT - JFK
1 stop10h 01mDelta
Tue 7/18:55 amJFK - ONT
2 stops13h 59mDelta
Deal found 5/11$345
This Hawaiian Airlines deal was found by Cheapflights users on 5/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:05 pmONT - JFK
1 stop10h 55mHawaiian Airlines
Thu 11/207:20 amJFK - ONT
1 stop10h 52mHawaiian Airlines
Deal found 5/11$386

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 May 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

Mon 6/2

7:36 pm-5:30 am

1 stop6h 54m

New York John F Kennedy Intl

Tue 6/10

6:59 am-8:51 pm

1 stop16h 52m

$215

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 5/30

10:00 am-9:55 pm

2 stops8h 55m

New York John F Kennedy Intl

Tue 6/10

2:55 pm-9:38 pm

2 stops9h 43m

$224

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 9/16

11:00 pm-7:23 am

Nonstop5h 23m

New York John F Kennedy Intl

Tue 9/23

6:35 pm-9:41 pm

Nonstop6h 06m

$257

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 9/16

7:22 pm-7:06 am

1 stop8h 44m

New York John F Kennedy Intl

Wed 9/24

5:29 pm-11:53 pm

1 stop9h 24m

$296

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 6/25

11:25 am-12:26 am

1 stop10h 01m

New York John F Kennedy Intl

Tue 7/1

8:55 am-7:54 pm

2 stops13h 59m

$345

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sat 9/13

8:00 am-5:54 am

1 stop18h 54m

$123

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 6/3

4:45 pm-6:09 am

1 stop10h 24m

$124

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 9/9

11:00 pm-7:23 am

Nonstop5h 23m

$129

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 7/14

6:58 pm-7:02 am

1 stop9h 04m

$143

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sat 6/14

11:49 am-12:16 am

1 stop9h 27m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 11 results
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars

*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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Ontario-New York John F Kennedy Intl Airport flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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 May 9, 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 68 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 $236). Flying from Ontario to New York John F Kennedy Intl Airport in June is currently the most expensive (average of $341). 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 May 12, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 18% on flights from Ontario to New York John F Kennedy Intl Airport by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Ontario to New York John F Kennedy Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Ontario to John F Kennedy Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to New York John F Kennedy Intl Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in John F Kennedy Intl by month

Plan your trip to John F Kennedy Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in New York John F Kennedy Intl Airport ranges from 2.8 - 4.5 inches per month. July is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit New York John F Kennedy Intl Airport when rainfall is around 2.8 in.

Temperature in John F Kennedy Intl by month

Plan your trip to John F Kennedy Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to New York John F Kennedy Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 May 12, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Ontario to New York have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,432 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,924 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 1 outbound flight 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.

  • 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 $215. Additional round-trip tickets that might be worth considering are offered by American Airlines and JetBlue, with the lowest prices starting at $224 and $257, respectively. Frontier is priced at 41% 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 $122. Hawaiian Airlines flights start at $124 while deals on JetBlue start at $139 one-way.

  • 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 $133. On average you can expect to pay $273. The most popular route, (Ontario - New York John F Kennedy Intl), can usually be booked for $228.

  • 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, January is the cheapest month in which you can book a flight from Ontario to New York John F Kennedy Intl Airport (average of $236). Flying from Ontario to New York John F Kennedy Intl Airport in June is currently the most expensive (average of $341). 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Queens
Bronx
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East Rutherford
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Parsippany
Shelton
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Staten Island
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East Brunswick
Carle Place
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Alternative routes for Ontario to John F Kennedy Intl

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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 2,558,603 searches. Data last updated May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$216FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$402FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$246Average$376FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$256Average$378FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$335Average$395FlexibilityNo cancel feeOn-time75%

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