$129 Cheap Flights from Newark to Ontario

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Liberty Intl. to Los Angeles - Ontario Intl.

Amazing EWR to ONT Flight Deals

The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $215 round trip and $129 one way. Prices and availability subject to change. Additional terms may apply.

Best Los Angeles - Ontario Intl. Flight and Hotel Packages

Los Angeles - Ontario Intl. flight + hotel packages - economy flights

Residence Inn Ontario Airport
DoubleTree by Hilton Ontario Airport
Ontario Airport Hotel & Conference Center
Holiday Inn Ontario Airport, an IHG Hotel
Azure Hotel & Suites, Trademark Collection by Wyndham
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Frequently asked questions

Can I catch a flight from Newark Airport to Ontario Airport right now?
For info on any current Ontario Airport travel advice and quarantine requirements, visit the Covid-19 Travel Advisor. Check before you arrange your flight, so you don’t get caught up en route.
Are there direct flights from Liberty Intl. Airport (EWR) to Los Angeles - Ontario Intl. Airport (ONT)?
If you’d prefer to travel as fast as possible from EWR to Ontario Airport, check out United Airlines, American Airlines and Delta. No airlines provide direct flights on this route, so you’ll have to make at least one stopover.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to ONT, please visit our Customer Service Portal.
How long is the flight from Newark Airport to Los Angeles - Ontario Intl. Airport (ONT)?
Leave the airplane feeling relaxed and rested by having a nap and something to eat during your flight to Ontario Airport. With an average travel time of 7 hours and 13 minutes from EWR, you’ll have enough time to enjoy both.
What is the flight distance from Newark Airport to ONT?
With a flight distance of 2,400 mi between EWR and Ontario Airport, you’re going to be cruising at altitude for a reasonable amount of time. It’s an excellent opportunity to watch a film, catch up on work or just unwind with some music.
What airlines fly from Liberty Intl. Airport (EWR) to ONT?
No airlines are currently offering a direct flight between Newark Airport and Ontario Airport. Save time and avoid annoying layovers by investigating the quickest routes in advance.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Southwest Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.


Traveling From
Liberty Intl.
Traveling To
Los Angeles - Ontario Intl.
Shortest Flight Time
hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price

Route Info

Flight path for flights from Newark Liberty International Airport to LA/Ontario International Airport

2,466.00 miles

Airlines & Aircraft Used on EWR to ONT Flight Routes

Airline Carrier
American Airlines
Boeing 737-400 pax

Discover our best flights from Newark EWR to Ontario ONT. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 


Find our best return flights from Newark EWR to Ontario ONT at the right price  

Airfares to Ontario ONT from Newark EWR currently cost between $215 and $275. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 


Book one-way flights from Newark EWR to Ontario ONT 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Newark EWR to Ontario ONT on Travelocity starting at $129. Prices and availability subject to change. Additional terms may apply. 


Get to Ontario ONT from Newark EWR quicker with direct flights. 

Get to Ontario faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to ONT from EWR to take around hour(s) min(s).  


Find our cheapest airfares for flights from Newark EWR to Ontario ONT

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to ONT from EWR. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  


Get our best airfare deals for your flight from Newark EWR to Ontario ONT today 

If you’re flexible about when you travel, February is usually the cheapest month to fly from Newark EWR to Ontario ONT. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 


Book flexible airline tickets for flights to Ontario ONT from Newark EWR 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to ONT from EWR have this option.  


Travel with confidence when you book flights to Ontario ONT from Newark EWR with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.