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S$256 Cheap Flights from Ontario Intl. Airport to Newark Liberty Intl. Airport

View S$256 flight on Sat, 12 Sept, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at S$256 for one-way flights and S$775 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 17 Sept - Mon, 21 Sept
ONT
Ontario
EWR
New York
S$775 Return, found 4 days ago
S$775
Return
found 4 days ago
Select American Airlines flight, departing Thu, 17 Sept from Ontario to New York, returning Mon, 21 Sept, priced at S$775 found 4 days ago
American Airlines
Thu, 17 Sept - Mon, 21 Sept
ONT
Ontario
EWR
New York
S$823 Return, found 4 days ago
S$823
Return
found 4 days ago
Select American Airlines flight, departing Thu, 17 Sept from Ontario to New York, returning Mon, 21 Sept, priced at S$823 found 4 days ago
American Airlines
Thu, 17 Sept - Mon, 21 Sept
ONT
Ontario
EWR
New York
S$838 Return, found 4 days ago
S$838
Return
found 4 days ago
Select American Airlines flight, departing Thu, 17 Sept from Ontario to New York, returning Mon, 21 Sept, priced at S$838 found 4 days ago
American Airlines
Thu, 17 Sept - Mon, 21 Sept
ONT
Ontario
EWR
New York
S$851 Return, found 4 days ago
S$851
Return
found 4 days ago
Select American Airlines flight, departing Thu, 17 Sept from Ontario to New York, returning Mon, 21 Sept, priced at S$851 found 4 days ago
American Airlines
Thu, 17 Sept - Mon, 21 Sept
ONT
Ontario
EWR
New York
S$881 Return, found 4 days ago
S$881
Return
found 4 days ago
Select American Airlines flight, departing Thu, 17 Sept from Ontario to New York, returning Mon, 21 Sept, priced at S$881 found 4 days ago
American Airlines
Thu, 17 Sept - Mon, 21 Sept
ONT
Ontario
EWR
New York
S$887 Return, found 4 days ago
S$887
Return
found 4 days ago
Select American Airlines flight, departing Thu, 17 Sept from Ontario to New York, returning Mon, 21 Sept, priced at S$887 found 4 days ago
United
Thu, 17 Sept - Mon, 21 Sept
ONT
Ontario
EWR
New York
S$899 Return, found 4 days ago
S$899
Return
found 4 days ago
Select United flight, departing Thu, 17 Sept from Ontario to New York, returning Mon, 21 Sept, priced at S$899 found 4 days ago
American Airlines
Thu, 17 Sept - Mon, 21 Sept
ONT
Ontario
EWR
New York
S$912 Return, found 4 days ago
S$912
Return
found 4 days ago
Select American Airlines flight, departing Thu, 17 Sept from Ontario to New York, returning Mon, 21 Sept, priced at S$912 found 4 days ago
American Airlines
Thu, 17 Sept - Mon, 21 Sept
ONT
Ontario
EWR
New York
S$915 Return, found 4 days ago
S$915
Return
found 4 days ago
Select American Airlines flight, departing Thu, 17 Sept from Ontario to New York, returning Mon, 21 Sept, priced at S$915 found 4 days ago
Delta
Fri, 18 Dec - Wed, 30 Dec
ONT
Ontario
EWR
New York
S$977 Return, found 2 days ago
S$977
Return
found 2 days ago
Select Delta flight, departing Fri, 18 Dec from Ontario to New York, returning Wed, 30 Dec, priced at S$977 found 2 days ago

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. Cheapest option available. Average driving time to city centre is 24 minutes. Flights from S$683
JFK
John F. Kennedy Intl.
Cheapest
Average driving time to city centre24 min
Flights from S$683

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

September is typically the cheapest month to fly

From S$362 - S$639 per traveller.

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$775. 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.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Newark Liberty Intl. Airport
Airlines serving
Delta
Return price
S$774
Distance
3843 km
Average flight time
10 hours 23 mins

Book with confidence

Perfect flights from Ontario Intl. Airport to Newark Liberty Intl. Airport

Your Journey from Ontario Intl. Airport to Newark Liberty Intl. Airport

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Ontario Intl. Airport to Newark Liberty Intl. Airport

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