Cheap Flight Tickets from Ontario (ONT) to Newark (EWR), Starting at $201

Good to Know: Cheapest and Fastest ONT - EWR Flights

Useful information for finding best airline tickets from Ontario International to Newark Liberty International on your next trip.

Cheapest Round Trip Flight

$257

DL Delta Airlines • 1 stop • 12h 26m

Sep 19 – Sep 27

The cheapest round trip flight from Ontario to Newark (ONT-EWR-ONT) is currently $257

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Cheapest One way Flight

$201

AA American Airlines • 1 stop • 17h 1m

Sep 02

The cheapest one way flight from Ontario to Newark (ONT-EWR) is currently $201

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Fastest Flight

12h 4m

The fastest nonstop flight from Ontario to Newark (ONT-EWR) takes 12h 4m

Top Airlines Flying from Ontario to Newark

Delta Airline, DL

Delta Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

United Airlines, UA

United Airlines

Latest Flight Deals from Ontario (ONT) to Newark (EWR)

Compare and book low fare round-trip air tickets from Ontario to Newark. Ideal for travelers with confirmed return itineraries.

Sep 19 - Sep 27, Economy
DL
Ontario → Newark
12h 26m
1:04 PM - 11:50 PM • 1 stop
DL
Ontario → Newark
9h 19m
8:00 AM - 10:59 AM • nonstop
$257
Delta Airlines
Sep 19 - Sep 27, Economy
DL
Ontario → Newark
14h
12:17 PM - 11:57 PM • 1 stop
DL
Ontario → Newark
9h 19m
8:00 AM - 10:59 AM • nonstop
$257
Delta Airlines
Sep 19 - Sep 27, Economy
DL
Ontario → Newark
14h 9m
6:00 AM - 5:49 PM • 1 stop
DL
Ontario → Newark
9h 19m
8:00 AM - 10:59 AM • nonstop
$257
Delta Airlines
Sep 19 - Sep 27, Economy
DL
Ontario → Newark
13h 54m
7:05 AM - 6:39 PM • 1 stop
DL
Ontario → Newark
9h 19m
8:00 AM - 10:59 AM • nonstop
$285
Delta Airlines
Oct 14 - Oct 22, Economy
DL
Ontario → Newark
15h 57m
5:03 PM - 6:00 AM • 1 stop
DL
Ontario → Newark
10h 12m
8:35 PM - 11:47 PM • nonstop
$312
Delta Airlines
Dec 11 - Dec 11, Economy
DL
Ontario → Newark
12h 4m
7:05 AM - 5:29 PM • 1 stop
DL
Ontario → Newark
10h 16m
8:55 PM - 12:11 AM • nonstop
$548
Delta Airlines

Fly from Ontario to Newark with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Newark? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Ontario to Newark Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to EWR?
The most popular airline flying from Ontario to Newark are
Can I fly from ONT to EWR non-stop?
NO
Which airlines fly nonstop between Ontario and Newark?
The non-stop flights between Ontario and Newark are .
What’s the earliest departure time from ONT to EWR Airport?
The earliest flight leaves ONT at 5:00 am and lands in EWR - Newark Liberty International
What are the airports in Newark?
JFK,LGA,EWR
Can I make changes to my Ontario to Newark flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to EWR?
Read the fare rules of the Ontario to Newark air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Newark?
operate flights between Ontario and Newark
How long does a flight from Ontario to Newark take?
It takes approximately 5 hour to fly non-stop from ONT to EWR, which is 2408.71 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Newark (EWR) ?
In the past couple of days, the cheapest tickets to EWR from ONT were found on DL : USD 429
Do I need a passport to fly between ONT and EWR?
No
What’s the latest departure time from ONT to EWR ?
The last flight leaves ONT at 5:03 pm

Ontario (ONT) to Newark (EWR): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport Newark Liberty International , Newark, US
Distance 2409 miles

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