$104 Cheap Flights from Ontario (ONT) to New York (JFK)

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $104 for one-way flights and $188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
JetBlue Airways
Frontier Airlines
American Airlines
Delta
Alaska Airlines
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, Hawaiian Airlines, JetBlue Airways, United
Roundtrip price
$188
Distance
2422 mi

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 May. 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 $104 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 long does it take to fly from ONT to JFK Airport?
JetBlue Airways operates a direct flight departing from Los Angeles - Ontario Intl. Airport (ONT) at 11:40PM and coming in to land at JFK at 8:00AM — a total flight duration of 5 hours and 20 minutes. Select your preferred seat, pack some things to keep you entertained and the time will whiz by.
Is it cheaper to buy a plane ticket from ONT to JFK last minute?
Being spontaneous is a terrific way to travel the world, but it isn’t always the best method to score a cheap plane ticket. Think about booking your Ontario Airport to JFK trip ahead of time instead of leaving it until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave all that spontaneity for when you’re exploring JFK!
What airports do you fly into for New York from Ontario?
With John F. Kennedy Intl. Airport (JFK), LaGuardia Airport (LGA) and Liberty Intl. Airport (EWR) to choose from, making your way from Ontario to New York is a snap. The city’s busiest terminal, John F. Kennedy Intl. Airport (JFK), is roughly 13 mi southeast of the center. Along with the price of tickets, consider factors like transportation options from the airport and the distance to your hotel before making your choice. Get your New York vacation off to a fun start by discovering Times Square and Broadway.
What are the most popular departure times for flights from Los Angeles - Ontario Intl. Airport (ONT) to JFK?
The most popular departure times for journeys from Ontario Airport to JFK fall between 11:00 PM - 0:00 AM on JetBlue Airways. One helpful tip is to jet off in the morning. The earlier you take off, the greater your chances of a delay-free flight with less air traffic around.
Can I change the date of my flight from Ontario Airport to JFK Airport?
It’s easy to make changes to your Ontario Airport to JFK journey yourself. Log in to the Expedia Trips portal and tap “change flight.” Look around for new flights and secure the one that better fits your plans. You’ll see an estimate of flight change fees that may apply. Alternatively, use our Customer Service portal to chat to our Virtual Agent and get answers to all your questions.

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*Available to One Key members.