Cheap Frontier Airlines flights Ontario (ONT) to Newark Liberty Intl. Airport (EWR)

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Flights from Ontario (ONT) to Newark Liberty Intl. Airport (EWR)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Newark Liberty Intl. Airport
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
American Airlines
Distance
2402 mi

Frequently asked questions

How much is a Frontier Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR)?
Set the "Price (lowest to highest)" filter on Expedia to find cheap Frontier Airlines return flights from ONT to EWR. Affordable one-way options are available as well.**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 EWR with Frontier Airlines?
January is one of the cheapest months to jet away to Newark with Frontier Airlines. You could also find great deals on one-way and return fares in February.
What is the cheapest time to book flights from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR) with Frontier Airlines?
Start searching one to three months ahead of your departure date to find cheaper fares on Frontier Airlines flights from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR). 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 cut 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 Frontier Airlines fly nonstop from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR)?
Fill in your dates, press search and tick the "Nonstop" filter on Expedia to browse any direct flights from ONT to EWR with Frontier Airlines or other airlines.
What is the earliest Frontier Airlines flight from ONT to EWR?
Sort your results by "Early Morning" and "Morning" to see the earliest departures from ONT to EWR. Setting off early 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 Frontier Airlines fly into in Newark?
Frontier Airlines flights from Los Angeles - Ontario Intl. Airport (ONT) to Newark touch down at Liberty Intl. Airport (EWR). This is the main entry point here.
Why fly with Frontier Airlines from ONT to EWR?
Fly from ONT to EWR with Frontier Airlines and you can look forward to a range of benefits starting with a rewarding loyalty program. When booking through Expedia as a Frontier Miles and One Key™ member, you could also earn OneKeyCash™* to spend on select future travel purchases.*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 Frontier Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR)?
Changes are generally free within 24 hours of making your booking, but your airline may charge a fee after that time. For further details about modifying your flights, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to update your itinerary without additional charges, tick the "Changes included" and "No cancel fee" filters when organizing your next escape.

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*Available to One Key members.