฿6,480 Cheap Flights from Ontario (ONT) to Newark Liberty Intl. Airport (EWR)

View ฿6,480 flight on Mon, 22 Dec 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 (ONT) to Newark Liberty Intl. Airport (EWR)

Prices were available within the past 7 days and start at ฿6,480 for one-way flights and ฿14,440 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, 5 Apr - Fri, 24 Apr
ONT
Ontario
EWR
New York
฿14,440 Return, found 4 days ago
฿14,440
Return
found 4 days ago
Select United flight, departing Sun, 5 Apr from Ontario to New York, returning Fri, 24 Apr, priced at ฿14,440 found 4 days ago
United
Sun, 5 Apr - Fri, 24 Apr
ONT
Ontario
EWR
New York
฿14,590 Return, found 4 days ago
฿14,590
Return
found 4 days ago
Select United flight, departing Sun, 5 Apr from Ontario to New York, returning Fri, 24 Apr, priced at ฿14,590 found 4 days ago
United
Sun, 5 Apr - Fri, 24 Apr
ONT
Ontario
EWR
New York
฿14,800 Return, found 4 days ago
฿14,800
Return
found 4 days ago
Select United flight, departing Sun, 5 Apr from Ontario to New York, returning Fri, 24 Apr, priced at ฿14,800 found 4 days ago
United
Sun, 5 Apr - Fri, 24 Apr
ONT
Ontario
EWR
New York
฿14,950 Return, found 4 days ago
฿14,950
Return
found 4 days ago
Select United flight, departing Sun, 5 Apr from Ontario to New York, returning Fri, 24 Apr, priced at ฿14,950 found 4 days ago
United
Sun, 5 Apr - Fri, 24 Apr
ONT
Ontario
EWR
New York
฿15,545 Return, found 4 days ago
฿15,545
Return
found 4 days ago
Select United flight, departing Sun, 5 Apr from Ontario to New York, returning Fri, 24 Apr, priced at ฿15,545 found 4 days ago
United
Sun, 5 Apr - Fri, 24 Apr
ONT
Ontario
EWR
New York
฿15,695 Return, found 4 days ago
฿15,695
Return
found 4 days ago
Select United flight, departing Sun, 5 Apr from Ontario to New York, returning Fri, 24 Apr, priced at ฿15,695 found 4 days ago
United
Sun, 5 Apr - Fri, 24 Apr
ONT
Ontario
EWR
New York
฿16,025 Return, found 4 days ago
฿16,025
Return
found 4 days ago
Select United flight, departing Sun, 5 Apr from Ontario to New York, returning Fri, 24 Apr, priced at ฿16,025 found 4 days ago
United
Sun, 5 Apr - Fri, 24 Apr
ONT
Ontario
EWR
New York
฿16,060 Return, found 4 days ago
฿16,060
Return
found 4 days ago
Select United flight, departing Sun, 5 Apr from Ontario to New York, returning Fri, 24 Apr, priced at ฿16,060 found 4 days ago
United
Sun, 5 Apr - Fri, 24 Apr
ONT
Ontario
EWR
New York
฿16,195 Return, found 4 days ago
฿16,195
Return
found 4 days ago
Select United flight, departing Sun, 5 Apr from Ontario to New York, returning Fri, 24 Apr, priced at ฿16,195 found 4 days ago
United
Sun, 5 Apr - Fri, 24 Apr
ONT
Ontario
EWR
New York
฿16,210 Return, found 4 days ago
฿16,210
Return
found 4 days ago
Select United flight, departing Sun, 5 Apr from Ontario to New York, returning Fri, 24 Apr, priced at ฿16,210 found 4 days ago

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

September is typically the cheapest month to fly

From ฿7,825 - ฿14,133 per traveller.

Graph displaying average flight prices per month

Flight from Ontario to Newark Liberty Intl. Airport route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Newark Liberty Intl. Airport
Return price
฿14,440
Distance
3843 km

Perfect flights from Ontario to Newark Liberty Intl. Airport

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Ontario to Newark Liberty Intl. Airport. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Los Angeles - Ontario Intl. to Newark Liberty Intl. Airport ticket options cater to your travel preferences, with incredible one-way fares from ฿6,480 and roundtrip prices from ฿14,440. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Newark Liberty Intl. Airport and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Newark Liberty Intl. Airport.

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 ฿14,440. 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.
฿15,210.00
Ontario Airports

Los Angeles

Los Angeles Intl. to Newark Liberty Intl. Airport
฿8,355.00
*Available to Expedia members.