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John F Kennedy Intl

$114+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JFK
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 Sunday or Monday and return on a Friday

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 July 28, 2025.

Round-trip from

$239
(Trip.com)

One-way from

$114
(Trip.com)

Popular in

February

Cheapest in

January

Average price

$367

Good round-trip deal

$295 or less

Good one-way deal

$163 or less
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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Highest demand for flights based on searches. 3% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 28, 2025.

This Trip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/178:09 pmONT - JFK
1 stop12h 46mFrontier
Wed 8/276:59 amJFK - ONT
1 stop12h 19mFrontier
Deal found 7/25$239
This lastminute.com deal was found by Cheapflights users on 7/27. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1811:59 pmONT - JFK
Nonstop5h 31mJetBlue
Tue 8/266:50 pmJFK - ONT
Nonstop6h 09mJetBlue
Deal found 7/27$249
This American Airlines deal was found by Cheapflights users on 7/26. 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 9/2210:35 pmONT - JFK
1 stop9h 03mAmerican Airlines
Tue 9/3011:59 amJFK - ONT
2 stops9h 17mAmerican Airlines
Deal found 7/26$272
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1811:45 amONT - JFK
1 stop10h 21mDelta
Tue 8/261:30 pmJFK - ONT
1 stop8h 41mDelta
Deal found 7/27$276

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 July 28, 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

Sun 8/17

8:09 pm-11:55 am

1 stop12h 46m

New York John F Kennedy Intl

Wed 8/27

6:59 am-4:18 pm

1 stop12h 19m

$239

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 8/18

11:59 pm-8:30 am

Nonstop5h 31m

New York John F Kennedy Intl

Tue 8/26

6:50 pm-9:59 pm

Nonstop6h 09m

$249

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 9/22

10:35 pm-10:38 am

1 stop9h 03m

New York John F Kennedy Intl

Tue 9/30

11:59 am-6:16 pm

2 stops9h 17m

$272

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 8/18

11:45 am-1:06 am

1 stop10h 21m

New York John F Kennedy Intl

Tue 8/26

1:30 pm-7:11 pm

1 stop8h 41m

$276

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 10/15

8:00 am-5:54 am

1 stop18h 54m

$114

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 8/25

11:59 pm-11:52 am

1 stop8h 53m

$133

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 8/26

11:45 am-1:06 am

1 stop10h 21m

$139

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sat 9/27

10:56 pm-7:18 am

Nonstop5h 22m

$152

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 10/21

6:00 am-7:24 pm

1 stop10h 24m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 July 25, 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 $313). 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 July 28, 2025.

Unlike in the morning, 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.

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.

Weekly flight availability from Ontario to New York John F Kennedy Intl Airport

Explore weekly flight availability from Ontario to John F Kennedy Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 28, 2025.

The most flights from ONT to JFK are scheduled on a Monday (3 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

What’s the top layover airport for flights from Ontario to New York John F Kennedy Intl Airport?

Share of 1-stop round-trip flights from Ontario to New York John F Kennedy Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Las Vegas (LAS) – chosen by Cheapflights users on 71% of 1-stop itineraries from Ontario to New York John F Kennedy Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Ontario to New York John F Kennedy Intl Airport?

Average round-trip fare for 1-stop flights from Ontario to New York John F Kennedy Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $244.

What’s the fastest layover option from Ontario to New York John F Kennedy Intl Airport?

Shortest average travel time for 1-stop one-way flights from Ontario to New York John F Kennedy Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Seattle (SEA) have the shortest average one-way travel time for 1-stop routes: 7h 22m.

Which airport typically offers the quickest layover for flights from Ontario to New York John F Kennedy Intl Airport?

Average layover duration for 1-stop one-way flights from Ontario to New York John F Kennedy Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Seattle (SEA) offer the fastest connection on this route, with an average layover time of 2h 06m.

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 July 28, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and JetBlue 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

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

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

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
7,975 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

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
2,914 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

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

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
5.9
Fair
3,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

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 2 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.

  • 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 $239. Additional round-trip tickets that might be worth considering are offered by JetBlue and American Airlines, with the lowest prices starting at $249 and $272, respectively. Frontier is priced at 32% 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 $114. American Airlines flights start at $133 while deals on Delta start at $139 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 (87%), Air Serbia (80%), JetBlue (78%).

  • 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 $118. On average you can expect to pay $268. The most popular route, (Ontario - New York John F Kennedy Intl), can usually be booked for $257.

  • 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 $313). 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
Elizabeth
Secaucus
Ronkonkoma
Yonkers
East Rutherford
North Bergen
Staten Island
Stamford
Parsippany
Mahwah
New Brunswick
Carle Place
Absecon
Westbury
Hoboken
East Brunswick
Avenel
Paterson

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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.
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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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$105Average$233FlexibilityNo cancel feeOn-time62%
DeltaCheapest$188Average$415FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$241Average$346FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$245Average$380FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$335Average$395FlexibilityNo cancel feeOn-time75%

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