Cheap Flight Tickets from Newark (EWR) to Ontario (ONT), Starting at $125

Good to Know: Cheapest and Fastest EWR - ONT Flights

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

Cheapest Round Trip Flight

$448

DL Delta Airlines • 1 stop • 13h 24m

Nov 20 – Nov 30

The cheapest round trip flight from Newark to Ontario (EWR-ONT-EWR) is currently $448

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Cheapest One way Flight

$125

AS Alaska Airlines • 1 stop • 18h 33m

Nov 09

The cheapest one way flight from Newark to Ontario (EWR-ONT) is currently $125

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Fastest Flight

12h 39m

The fastest nonstop flight from Newark to Ontario (EWR-ONT) takes 12h 39m

Top Airlines Flying from Newark to Ontario

Alaska Airlines -AS

Alaska Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

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

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

Nov 20 - Nov 30, Economy
DL
Newark → Ontario
13h 24m
4:53 PM - 9:57 PM • 1 stop
DL
Newark → Ontario
12h
11:10 PM - 9:30 AM • 1 stop
$448
Delta Airlines
Nov 20 - Nov 20, Economy
DL
Newark → Ontario
12h 39m
1:35 PM - 6:34 PM • 1 stop
DL
Newark → Ontario
13h 49m
11:10 PM - 10:39 AM • 1 stop
$483
Delta Airlines
Nov 20 - Nov 20, Economy
DL
Newark → Ontario
17h 39m
10:35 AM - 6:34 PM • 1 stop
DL
Newark → Ontario
13h 39m
11:10 PM - 10:29 AM • 1 stop
$483
Delta Airlines
Nov 20 - Nov 20, Economy
DL
Newark → Ontario
15h 50m
11:44 AM - 6:34 PM • 1 stop
DL
Newark → Ontario
13h 39m
11:10 PM - 10:29 AM • 1 stop
$483
Delta Airlines
Nov 20 - Nov 20, Economy
DL
Newark → Ontario
13h 23m
6:00 AM - 11:03 AM • 1 stop
DL
Newark → Ontario
13h 39m
11:10 PM - 10:29 AM • 1 stop
$483
Delta Airlines
Nov 20 - Nov 30, Economy
DL
Newark → Ontario
13h 23m
6:00 AM - 11:03 AM • 1 stop
DL
Newark → Ontario
8h 33m
9:15 PM - 5:28 AM • nonstop
$495
Delta Airlines

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

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

FAQs on Newark to Ontario Flights

What are the airports in Newark?
JFK,LGA,EWR
What’s the most popular airline flying from EWR to ONT?
The most popular airline flying from Newark to Ontario are
Can I fly from EWR to ONT non-stop?
NO
Which airlines fly nonstop between Newark and Ontario?
The non-stop flights between Newark and Ontario are .
What’s the earliest departure time from EWR to ONT Airport?
The earliest flight leaves EWR at 6:00 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Newark to Ontario 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 EWR to ONT?
Read the fare rules of the Newark to Ontario 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 Newark and Ontario?
operate flights between Newark and Ontario
How long does a flight from Newark to Ontario take?
It takes approximately 5 hour to fly non-stop from EWR to ONT, which is 2408.71 miles by air.
Which airlines provide the cheapest flights from Newark (EWR) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from EWR were found on AS : USD 125
Do I need a passport to fly between EWR and ONT?
No
What’s the latest departure time from EWR to ONT ?
The last flight leaves EWR at 4:53 pm

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

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

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