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Uncover the best deals on Newark to Ontario flights by comparing fares from hundreds of airlines and agencies.
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
Delta Airlines
• 1 stop
• 13h 57m
Nov 03 – Nov 09
The cheapest round trip flight from Newark to Ontario (EWR-ONT-EWR) is currently $448
Cheapest One way Flight
$339
Delta Airlines
• 1 stop
• 13h 52m
Oct 11
The cheapest one way flight from Newark to Ontario (EWR-ONT) is currently $339
Fastest Flight
13h 21m
The fastest nonstop flight from Newark to Ontario (EWR-ONT) takes 13h 21m
Top Airlines Flying from Newark to Ontario
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 03 - Nov 09, Economy
Newark → Ontario
13h 57m
6:59 AM - 12:36 PM • 1 stop
Newark → Ontario
13h 48m
11:10 PM - 10:38 AM • 1 stop
Delta Airlines
Nov 03 - Nov 09, Economy
Newark → Ontario
13h 26m
6:00 AM - 11:06 AM • 1 stop
Newark → Ontario
13h 48m
11:10 PM - 10:38 AM • 1 stop
Delta Airlines
Nov 03 - Nov 09, Economy
Newark → Ontario
14h 15m
1:35 PM - 7:30 PM • 1 stop
Newark → Ontario
15h 37m
12:18 PM - 12:55 AM • 1 stop
Delta Airlines
Nov 03 - Nov 09, Economy
Newark → Ontario
17h 10m
12:00 PM - 7:30 PM • 1 stop
Newark → Ontario
12h 22m
12:18 PM - 11:00 PM • 1 stop
Delta Airlines
Oct 07 - Oct 08, Economy
Newark → Ontario
16h 44m
1:21 PM - 8:25 PM • 1 stop
Newark → Ontario
13h 34m
11:15 PM - 10:29 AM • 1 stop
Delta Airlines
Explore competitive one-way airfare options for EWR - ONT flights. Best suited for flexible or open-ended travel plans.
Flying to Ontario soon? We've surfaced some of the most affordable last-minute flights from Newark to Ontario, ideal for urgent plans or spontaneous trips.
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 DL : USD 339
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 4:29 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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