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

You'll find cheap round-trip JetBlue Airways flights from $257 from ONT to JFK by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options from $139 for a one-way journey.**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.

For cheap JetBlue Airways fares from Los Angeles - Ontario Intl. Airport (ONT) to John F. Kennedy Intl. Airport (JFK), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact what you pay. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**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.

Find JetBlue Airways's earliest flights from ONT to JFK by checking the "Early Morning" and "Morning" filters. Not only will you arrive at your destination sooner, early departures also have a 20% less chance of being canceled.**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.