$139 Cheap Delta flights Ontario (ONT) to New York (JFK)

View $139 flight on Fri, Jul 4, 2025Opens in a new window

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$139 Cheap Delta flights Ontario (ONT) to New York (JFK)

Prices were available within the past 7 days and start at $139 for one-way flights and $231 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Aug 6 - Tue, Aug 12
ONT
Ontario
JFK
New York
$231 Roundtrip, found 4 hours ago
$231
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Aug 6 from Ontario to New York, returning Tue, Aug 12, priced at $231 found 4 hours ago
Delta
Fri, Aug 8 - Tue, Aug 12
ONT
Ontario
JFK
New York
$235 Roundtrip, found 1 hour ago
$235
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, Aug 8 from Ontario to New York, returning Tue, Aug 12, priced at $235 found 1 hour ago
Delta
Tue, Sep 23 - Thu, Oct 23
ONT
Ontario
JFK
New York
$250 Roundtrip, found 1 day ago
$250
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 23 from Ontario to New York, returning Thu, Oct 23, priced at $250 found 1 day ago
Delta
Sat, Aug 30 - Tue, Sep 9
ONT
Ontario
JFK
New York
$263 Roundtrip, found 1 hour ago
$263
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Aug 30 from Ontario to New York, returning Tue, Sep 9, priced at $263 found 1 hour ago
Delta
Wed, Oct 1 - Wed, Oct 8
ONT
Ontario
JFK
New York
$277 Roundtrip, just found
$277
Roundtrip
just found
Select Delta flight, departing Wed, Oct 1 from Ontario to New York, returning Wed, Oct 8, priced at $277 just found
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
Popular airline
JetBlue Airways
Distance
2422 mi
Average flight time
5 hours 31 mins

Frequently asked questions

How much is a Delta Air Lines flight from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK)?
You'll discover affordable round-trip Delta Air Lines flights from $231 from ONT to JFK by organizing your results from "Price (lowest to highest)" on Expedia. Or look for deals from $139 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ONT to JFK with Delta Air Lines?
Browse for return or one-way flights to New York in January or February. You could find a cheap fare with Delta Air Lines during these off-peak travel months.
What is the cheapest time to book flights from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK) with Delta Air Lines?
Start searching one to three months ahead of your travel date to get cheaper fares on Delta Air Lines flights from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK)?
Select our "Nonstop" filter when looking for direct Delta Air Lines flights from ONT to JFK. It's also a good way to compare other carriers offering the same direct trip.
What is the earliest Delta Air Lines flight from ONT to JFK?
To find the earliest departures from ONT to JFK with Delta Air Lines, filter your results by "Early Morning" and "Morning." Choosing an early flight generally means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in New York?
Delta Air Lines flights from Los Angeles - Ontario Intl. Airport (ONT) to New York land at John F. Kennedy Intl. Airport (JFK). This is the main gateway to this destination.
Why fly with Delta Air Lines from ONT to JFK?
Delta Air Lines makes traveling from ONT to JFK more enjoyable with a rewarding loyalty program and an excellent in-flight experience. You may even earn points with Delta SkyMiles. Remember to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK)?
You can usually modify or cancel your flight, although there may be additional fees if you made your booking more than 24 hours ago. Need to keep your options open? Use our "No cancel fee" and "Changes included" filters to find flights that won't charge you extra if you have to alter your plans. To update your itinerary, go to "Trips," select your flight and click on "Manage Booking" for further information.

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