Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Newark Liberty Intl. Airport (EWR)

Cheap Flights from Ontario to Newark Liberty Intl. Airport (ONT-EWR)

Prices were available within the past 7 days and start at $159 for one-way flights and $187 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jan 27 - Wed, Feb 4
ONT
Ontario
EWR
New York
$187 Roundtrip, found 18 hours ago
$187
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Jan 27 from Ontario to New York, returning Wed, Feb 4, priced at $187 found 18 hours ago
American Airlines
Wed, Feb 18 - Tue, Feb 24
ONT
Ontario
EWR
New York
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Feb 18 from Ontario to New York, returning Tue, Feb 24, priced at $198 found 2 days ago
American Airlines
Wed, Feb 18 - Tue, Feb 24
ONT
Ontario
EWR
New York
$225 Roundtrip, found 2 days ago
$225
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Feb 18 from Ontario to New York, returning Tue, Feb 24, priced at $225 found 2 days ago
United
Wed, Feb 18 - Tue, Feb 24
ONT
Ontario
EWR
New York
$236 Roundtrip, found 2 days ago
$236
Roundtrip
found 2 days ago
Select United flight, departing Wed, Feb 18 from Ontario to New York, returning Tue, Feb 24, priced at $236 found 2 days ago
American Airlines
Tue, Jan 27 - Wed, Feb 4
ONT
Ontario
EWR
New York
$237 Roundtrip, found 18 hours ago
$237
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Jan 27 from Ontario to New York, returning Wed, Feb 4, priced at $237 found 18 hours ago
American Airlines
Wed, Feb 4 - Tue, Feb 10
ONT
Ontario
EWR
New York
$239 Roundtrip, found 2 days ago
$239
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Feb 4 from Ontario to New York, returning Tue, Feb 10, priced at $239 found 2 days ago
American Airlines
Wed, Feb 4 - Sat, Feb 7
ONT
Ontario
EWR
New York
$248 Roundtrip, found 1 day ago
$248
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Feb 4 from Ontario to New York, returning Sat, Feb 7, priced at $248 found 1 day ago
Delta
Sat, Jan 31 - Wed, Feb 4
ONT
Ontario
EWR
New York
$257 Roundtrip, found 1 day ago
$257
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jan 31 from Ontario to New York, returning Wed, Feb 4, priced at $257 found 1 day ago
Alaska Airlines
Tue, Jan 27 - Wed, Feb 4
ONT
Ontario
EWR
New York
$276 Roundtrip, found 18 hours ago
$276
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Tue, Jan 27 from Ontario to New York, returning Wed, Feb 4, priced at $276 found 18 hours ago
Hawaiian Airlines
Mon, Jan 26 - Tue, Feb 3
ONT
Ontario
EWR
New York
$285 Roundtrip, found 23 hours ago
$285
Roundtrip
found 23 hours ago
Select Hawaiian Airlines flight, departing Mon, Jan 26 from Ontario to New York, returning Tue, Feb 3, priced at $285 found 23 hours ago

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

September is typically the cheapest month to fly

From $236 - $400 per traveler.

Alternative airports near New York

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

Select flight to John F. Kennedy Intl. JFK. Average driving time to city center is 24 minutes. Flights from $602
JFK
John F. Kennedy Intl.
Average driving time to city center24 min
Flights from $602
Select flight to LaGuardia LGA. Cheapest option available. Average driving time to city center is 14 minutes. Flights from $509
LGA
LaGuardia
Cheapest
Average driving time to city center14 min
Flights from $509
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
Roundtrip price
$187
Distance
2402 mi

Ontario to Newark Liberty Intl. Airport Flights

The cheapest times to fly from Ontario to Newark Liberty Intl. Airport

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 Newark Liberty Intl. Airport are during the month of January. You can find some of the cheapest flights from Ontario to Newark Liberty Intl. Airport with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Newark Liberty Intl. Airport

Sunday is one of the best days to book for cheap flights from Ontario to Newark Liberty Intl. Airport: 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 Newark Liberty Intl. Airport

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 Newark Liberty Intl. Airport in 2026. You can also book with separate airlines for your outbound and return journeys, from $159 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 Newark Liberty Intl. Airport 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 Newark Liberty Intl. Airport 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 Liberty Intl. Airport (EWR) cost?
Secure a cheap one-way flight from $159 or cheap return flight from $187 from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR)?
Flying in January is a good way to save, as it's the cheapest month for flights between ONT and EWR. You'll often find the lowest prices during off-peak months.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR)?
You can't fly nonstop to Liberty Intl. Airport (EWR) from Ontario, CA (ONT-Los Angeles - Ontario Intl.). However, you can seamlessly travel to Newark without any layovers by taking off from Los Angeles Intl. Airport (LAX).
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ONT to EWR flight.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR)?
Nonstop flights from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ONT to EWR?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a range of factors, including the season and airline.*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 Liberty Intl. Airport (EWR)?
Choose a flight from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time 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 Liberty Intl. Airport (EWR) last-minute?
Last-minute bookings from ONT to EWR are usually more expensive. To lock in the best rates, start looking for flights as soon as possible. That said, if you're flexible with your travel plans, you may score a cheap ticket just before your departure.
Is it cheaper to book an ONT to EWR flight and hotel package?
Securing an ONT to EWR flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR)?
If you booked your ONT to EWR flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.