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Uncover the best deals on Ontario to Newark flights by comparing fares from hundreds of airlines and agencies.
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
$272
Delta Airlines
• 1 stop
• 13h 42m
Sep 27 – Oct 02
The cheapest round trip flight from Ontario to Newark (ONT-EWR-ONT) is currently $272
Cheapest One way Flight
$170
American Airlines
• 1 stop
• 17h 1m
Aug 11
The cheapest one way flight from Ontario to Newark (ONT-EWR) is currently $170
Fastest Flight
12h 27m
The fastest nonstop flight from Ontario to Newark (ONT-EWR) takes 12h 27m
Top Airlines Flying from Ontario to Newark
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 27 - Oct 02, Economy
Ontario → Newark
13h 42m
10:00 PM - 9:22 AM • 1 stop
Ontario → Newark
14h 16m
5:59 PM - 11:55 PM • 1 stop
Delta Airlines
Aug 10 - Aug 17, Economy
Ontario → Newark
15h 58m
12:00 PM - 12:58 AM • 1 stop
Ontario → Newark
13h 43m
4:29 PM - 9:52 PM • 1 stop
Delta Airlines
Aug 07 - Aug 07, Economy
Ontario → Newark
15h 31m
5:00 AM - 5:31 PM • 1 stop
Ontario → Newark
10h 5m
8:10 PM - 11:15 PM • nonstop
United Airlines
Aug 07 - Aug 07, Economy
Ontario → Newark
13h 20m
5:00 AM - 4:00 PM • 1 stop
Ontario → Newark
9h 11m
6:45 PM - 9:36 PM • nonstop
United Airlines
Aug 07 - Aug 07, Economy
Ontario → Newark
12h 29m
7:05 AM - 5:54 PM • 1 stop
Ontario → Newark
10h 18m
8:25 PM - 11:43 PM • nonstop
Delta Airlines
Explore competitive one-way airfare options for ONT - EWR flights. Best suited for flexible or open-ended travel plans.
Flying to Newark soon? We've surfaced some of the most affordable last-minute flights from Ontario to Newark, ideal for urgent plans or spontaneous trips.
Aug 07 - Aug 07, Economy
Ontario → Newark
15h 31m
5:00 AM - 5:31 PM • 1 stop
Ontario → Newark
10h 5m
8:10 PM - 11:15 PM • nonstop
United Airlines
Aug 07 - Aug 07, Economy
Ontario → Newark
13h 20m
5:00 AM - 4:00 PM • 1 stop
Ontario → Newark
9h 11m
6:45 PM - 9:36 PM • nonstop
United Airlines
Aug 07 - Aug 07, Economy
Ontario → Newark
12h 29m
7:05 AM - 5:54 PM • 1 stop
Ontario → Newark
10h 18m
8:25 PM - 11:43 PM • nonstop
Delta Airlines
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 479
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 10:00 pm
Essential Information for Booking Flights from Ontario (ONT) - AI Insights
What's the cheapest airline from ont to ewr?
You can find low fares on Alaska Airlines flights from Ontario International Airport (ONT) to Newark Liberty International Airport (EWr). For a round-trip business class ticket, you can expect savings. Book in advance to secure budget-friendly airfare.
What's the popular airline to fly from ont to ewr?
You can fly from Ontario International Airport (ONT) to Newark Liberty International Airport (EWK) on Delta Airlines. As a business class passenger, you'll enjoy priority check-in, lounge access, and flatbed seats. With two stops, your round-trip journey will take advantage of budget-friendly fares and savings.
What's the cheapest day of the week to fly from ont to ewr?
The cheapest day to fly from Ontario International (ONT) to Newark Liberty International (EWK) is Wednesday. Flights on this day are often less expensive than other days of the week, making it a budget-friendly option for your round-trip Business class journey.
What's the cheapest month to fly from ont to ewr?
The cheapest month to fly from Ontario (ONT) to Newark Liberty International (EWK) is December. Flying during this time can result in budget-friendly flights, offering savings on airfares. October and July are also good options if you're looking for affordable airline tickets.
Which airline/airlines fly from ont to ewr?
The airlines that fly from Ontario International Airport (ONT) to Newark Liberty International Airport (EWK) offer a range of options. For your round-trip Business class ticket, consider Sun Country Airlines, United Airlines, Hawaiian Airlines, American Airlines, Alaska Airlines, Aeromexico, Avianca, Southwest Airlines, Delta Airlines, and JetBlue Airways.
What is the cheapest airline to fly from Ontario International Airport (ONT) to Newark Liberty International Airport (EWK) for a round trip business class ticket?
Alaska Airlines (AS)
How far in advance can I book my airfare to get the best deal on flights from airport to destination?
You can book your airfare up to 54 days in advance to get the best deal.
Can I find affordable flights with airlines that offer direct airflights from Ontario International Airport (ONT)?
Yes, you can find affordable flights with airlines like Sun Country Airlines (SY), United Airlines (UA), Hawaiian Airlines (HA), American Airlines (AA), Alaska Airlines (AS), Aeromexico (AM), Avianca (AV), Southwest Airlines (WN), Delta Airlines (DL), JetBlue Airways (B6).
What is the average cost of an airfare for a weekend getaway from airport to Newark Liberty International Airport (EWK) in July?
The average cost of an airfare for a weekend getaway from Ontario International Airport (ONT) to Newark Liberty International Airport (EWK) in July is around $
How can I use website fareleaders.com to compare and book cheap flights from Ontario International Airport (ONT) to Newark Liberty International Airport (EWK)?
You can use fareleaders.com to compare and book cheap flights by following these steps: [insert steps]
Are there any airlines that offer busco-style discounts on airfares for travelers booking in advance?
Yes, some airlines like Alaska Airlines (AS) offer busco-style discounts on airfares for travelers booking in advance.
Can I save money by flying with airlines that offer awesome deals on round trip business class tickets?
Yes, you can save money by flying with airlines that offer awesome deals on round trip business class tickets like Alaska Airlines (AS).
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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