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

View S$178 flight on Mon, 11 Aug, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at S$178 for one-way flights and S$357 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 6 Aug - Tue, 12 Aug
ONT
Ontario
EWR
New York
S$357 Return, found 6 days ago
S$357
Return
found 6 days ago
Select Delta flight, departing Wed, 6 Aug from Ontario to New York, returning Tue, 12 Aug, priced at S$357 found 6 days ago
United
Wed, 6 Aug - Tue, 12 Aug
ONT
Ontario
EWR
New York
S$416 Return, found 6 days ago
S$416
Return
found 6 days ago
Select United flight, departing Wed, 6 Aug from Ontario to New York, returning Tue, 12 Aug, priced at S$416 found 6 days ago
Delta
Sat, 9 Aug - Sat, 16 Aug
ONT
Ontario
EWR
New York
S$430 Return, found 3 days ago
S$430
Return
found 3 days ago
Select Delta flight, departing Sat, 9 Aug from Ontario to New York, returning Sat, 16 Aug, priced at S$430 found 3 days ago
Delta
Wed, 6 Aug - Tue, 12 Aug
ONT
Ontario
EWR
New York
S$447 Return, found 6 days ago
S$447
Return
found 6 days ago
Select Delta flight, departing Wed, 6 Aug from Ontario to New York, returning Tue, 12 Aug, priced at S$447 found 6 days ago
Delta
Fri, 8 Aug - Fri, 15 Aug
ONT
Ontario
EWR
New York
S$448 Return, found 4 days ago
S$448
Return
found 4 days ago
Select Delta flight, departing Fri, 8 Aug from Ontario to New York, returning Fri, 15 Aug, priced at S$448 found 4 days ago
Delta
Sat, 9 Aug - Sat, 16 Aug
ONT
Ontario
EWR
New York
S$464 Return, found 3 days ago
S$464
Return
found 3 days ago
Select Delta flight, departing Sat, 9 Aug from Ontario to New York, returning Sat, 16 Aug, priced at S$464 found 3 days ago
American Airlines
Wed, 6 Aug - Tue, 12 Aug
ONT
Ontario
EWR
New York
S$473 Return, found 6 days ago
S$473
Return
found 6 days ago
Select American Airlines flight, departing Wed, 6 Aug from Ontario to New York, returning Tue, 12 Aug, priced at S$473 found 6 days ago
United
Sat, 9 Aug - Sat, 16 Aug
ONT
Ontario
EWR
New York
S$483 Return, found 3 days ago
S$483
Return
found 3 days ago
Select United flight, departing Sat, 9 Aug from Ontario to New York, returning Sat, 16 Aug, priced at S$483 found 3 days ago
Delta
Sat, 9 Aug - Sat, 16 Aug
ONT
Ontario
EWR
New York
S$488 Return, found 3 days ago
S$488
Return
found 3 days ago
Select Delta flight, departing Sat, 9 Aug from Ontario to New York, returning Sat, 16 Aug, priced at S$488 found 3 days ago
American Airlines
Sat, 9 Aug - Sat, 16 Aug
ONT
Ontario
EWR
New York
S$494 Return, found 3 days ago
S$494
Return
found 3 days ago
Select American Airlines flight, departing Sat, 9 Aug from Ontario to New York, returning Sat, 16 Aug, priced at S$494 found 3 days ago

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

September is typically the cheapest month to fly

From S$305 - S$558 per traveller.

Graph displaying average flight prices per month

Ontario to Newark Liberty Intl. Airport route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Newark Liberty Intl. Airport
Return price
S$357
Distance
3843 km

Perfect flights from Ontario to Newark Liberty Intl. Airport

Your Journey from Ontario to Newark Liberty Intl. Airport

Start your unforgettable journey with Expedia. Our broad selection of flights from Ontario to Newark Liberty Intl. Airport 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. Our selection of flights from Los Angeles - Ontario Intl. to Newark Liberty Intl. Airport caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Ontario to Newark Liberty Intl. Airport Flights

Experience the joy of finding cheap flights from Los Angeles - Ontario Intl. to Newark Liberty Intl. Airport 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 from S$357*.
 

Pre-Flight Essentials

Ensure a smooth journey from Ontario to Newark Liberty Intl. Airport 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 Newark Liberty Intl. Airport

Picture yourself stepping off the plane in Newark Liberty Intl. Airport 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 Ontario to Newark Liberty Intl. Airport 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 Ontario to Newark Liberty Intl. Airport.
 

Beyond the Flight – Exploring Newark Liberty Intl. Airport

With Expedia, your adventure extends beyond the flight. Explore Newark Liberty Intl. Airport 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 Ontario to Newark Liberty Intl. Airport 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 Ontario to Newark Liberty Intl. Airport 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 Ontario Airport to Liberty Intl. Airport (EWR)?
If you're travelling from Los Angeles - Ontario Intl. Airport (ONT) to Newark Airport, round-trip flights start from S$357. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Los Angeles - Ontario Intl. Airport (ONT) to Liberty Intl. Airport (EWR)?
Every air carrier has its own 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 Ontario Airport to Liberty Intl. Airport (EWR) 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 Ontario Airport to Liberty Intl. Airport (EWR) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ONT to EWR?
Around 3,900 kilometres separates Ontario and Newark, so pack some entertainment to help you fill in a couple of hours. That latest bestseller you haven't had time to start will do the trick.
Which airlines fly direct from Ontario Airport to Newark Airport?
There are no direct flights, so you'll need to make at least one stop between ONT and Newark Airport. Take advantage of the layover time to stretch your legs and take a break.
Are ONT to EWR flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Ontario Airport to EWR can be hit-or-miss. You might be lucky and score a bargain, but you could also miss out entirely! If you'd prefer to start your travel planning early on, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines publish their prices so far in advance. Our top tip? Check back often as updates are made frequently.

Explore a world of travel with Expedia

Newark Liberty Intl. Airport Airports

New York

Ontario to John F. Kennedy Intl.
S$412.80
Ontario Airports

Los Angeles

Los Angeles Intl. to Newark Liberty Intl. Airport
S$327.80

Orange County

John Wayne to Newark Liberty Intl. Airport
S$509.70

Long Beach

Burbank

*Available to Expedia members.