$119 Cheap Flights from Ontario (ONT) to New York (JFK)

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK)

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Cheap Flights from Ontario to New York (ONT-JFK)

Prices were available within the past 7 days and start at $119 for one-way flights and $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
American Airlines
JetBlue Airways
American Airlines
JetBlue Airways
JetBlue Airways
American Airlines
Delta
Alaska Airlines
Hawaiian Airlines

Find the cheapest month to fly from Ontario (ONT) to New York (JFK)

September is typically the cheapest month to fly

From $138 - $278 per traveler.

Graph displaying average flight prices per month

Alternative airports near New York

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Ontario (ONT) to New York (JFK)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
John F. Kennedy Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways
Roundtrip price
$237
Distance
2422 mi
Average flight time
5 hours 31 mins

Ontario to New York Flights

The cheapest times to fly from Ontario to New York

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to New York are during the month of August. You can find some of the cheapest flights from Ontario to New York with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to New York

Sunday is one of the best days to book for cheap flights from Ontario to New York: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to New York

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to New York in 2025. You can also book with separate airlines for your outbound and return journeys, from $119 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to New York flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to New York airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK) cost?
You can score cheap return flights from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK) starting from $240. Grab your seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a JetBlue Airways and Spirit Airlines flight leaving ONT on August 2 2025 and touching down at JFK. The price was last updated on July 12 2025 and has not changed since.
What is the cheapest month to fly from ONT to JFK?
The cheapest flights from ONT to JFK are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK)?
While Ontario, CA (ONT-Los Angeles - Ontario Intl.) has no direct flights to John F. Kennedy Intl. Airport (JFK), other airports have nonstop routes. Flying from Los Angeles Intl. Airport (LAX) will get you to New York without any layovers.
What is the cheapest airline that flies from ONT to JFK?
At the moment, the cheapest airline operating one-way flights from ONT to JFK is JetBlue Airways. You can take off on this route from $135. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ONT on September 23 2025. Prices were last updated on July 12 2025 and have not changed since.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK)?
Nonstop flights from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ONT to JFK?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK)?
Select a flight from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK) last-minute?
Booking your ticket from ONT to JFK right before your journey is generally more expensive. However, if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ONT to JFK flight and hotel package?
Compared with arranging flights and hotels separately, booking an ONT to JFK flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Just pick your flights and choose from our wide range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK)?
Typically, you're able to reschedule or cancel your ONT to JFK flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more details, visit our Customer Service portal.

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*Available to One Key members.