S$178 Cheap Flights from Newark Liberty Intl. Airport to Ontario

View S$178 flight on Tue, 14 Oct, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at S$178 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

September is typically the cheapest month to fly

From S$318 - S$656 per traveller.

Graph displaying average flight prices per month

Newark Liberty Intl. Airport to Ontario route information
Origin airport
Newark Liberty Intl. Airport
Destination airport
Los Angeles - Ontario Intl.
Distance
3843 km
Average flight time
9 hours 41 mins

Perfect flights from Newark Liberty Intl. Airport to Ontario

Your Journey from Newark Liberty Intl. Airport to Ontario

Start your unforgettable journey with Expedia. Our broad selection of flights from Newark Liberty Intl. Airport to Ontario caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, American Airlines, United, Alaska Airlines. Our selection of flights from Newark Liberty Intl. Airport to Los Angeles - Ontario Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 19 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Newark Liberty Intl. Airport to Ontario Flights

Experience the joy of finding cheap flights from Newark Liberty Intl. Airport to Los Angeles - Ontario Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$178 and roundtrip prices *.
 

Pre-Flight Essentials

Ensure a smooth journey from Newark Liberty Intl. Airport to Ontario with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Ontario

Picture yourself stepping off the plane in Ontario and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Newark Liberty Intl. Airport to Ontario Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Newark Liberty Intl. Airport to Ontario.
 

Beyond the Flight – Exploring Ontario

With Expedia, your adventure extends beyond the flight. Explore Ontario at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Newark Liberty Intl. Airport to Ontario with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Newark Liberty Intl. Airport to Ontario with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Newark Airport to Los Angeles - Ontario Intl. Airport (ONT)?
The lowest price advertised for a round-trip flight between Newark Airport and Los Angeles - Ontario Intl. Airport (ONT) is . But you better get a move on. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from EWR to ONT?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Newark Airport to Ontario Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Liberty Intl. Airport (EWR) to Ontario Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Newark Airport to ONT?
Around 3,900 kilometres separates Newark and Ontario, so pack something to help you fill in a couple of hours. That thrilling novel you haven't had time to start will be ideal.
Which airlines fly direct from EWR to ONT?
Flying directly between EWR and ONT isn't possible at present. However, you'll still be able to book a flight to Ontario with at least one stop.
Are Newark Airport to Los Angeles - Ontario Intl. Airport (ONT) flight tickets cheaper when they're purchased at the last minute?
Airline tickets from EWR to ONT are available up to a year prior to departure on Expedia. And although you may occasionally nab fantastic last-minute deals, it's never something you can count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid getting trapped in the dreaded middle seat! We're always updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

Newark Liberty Intl. Airport Airports

New York

John F. Kennedy Intl. to Ontario
S$412.80
*Available to Expedia members.