Cheap flights from Ontario to Newark (ONT-EWR)

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

$318

American Airlines • 1 stop • 14h 19m

Jun 24 – Jun 26

The cheapest round trip flight from Ontario to Newark (ONT-EWR-ONT) is currently $318

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Cheapest One way Flight

$264

Alaska Airlines • 1 stop • 15h 27m

Jul 01

The cheapest one way flight from Ontario to Newark (ONT-EWR) is currently $264

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Fastest Flight

12h 27m

The fastest nonstop flight from Ontario to Newark (ONT-EWR) takes 12h 27m

Top Airlines Flying from Ontario to Newark

Delta Airlines

United Airlines

American Airlines

Alaska 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.

Jun 24 - Jun 26, Economy

Ontario → Newark

14h 19m

10:00 PM - 9:59 AM • 1 stop

Ontario → Newark

18h 27m

2:29 PM - 10:36 PM • 1 stop

$318

American Airlines

Aug 27 - Aug 31, Economy

Ontario → Newark

12h 27m

6:00 AM - 4:47 PM • 1 stop

Ontario → Newark

14h 9m

10:30 AM - 4:19 PM • 1 stop

$483

Delta Airlines

Aug 27 - Aug 31, Economy

Ontario → Newark

12h 29m

7:05 AM - 5:54 PM • 1 stop

Ontario → Newark

13h 42m

4:53 PM - 10:15 PM • 1 stop

$483

Delta Airlines

Aug 27 - Aug 31, Economy

Ontario → Newark

16h 47m

10:00 PM - 10:29 AM • 1 stop

Ontario → Newark

12h 37m

6:15 AM - 11:12 AM • 1 stop

$524

Delta Airlines

Jun 24 - Jun 26, Economy

Ontario → Newark

12h 28m

7:05 AM - 5:53 PM • 1 stop

Ontario → Newark

13h 39m

4:29 PM - 9:48 PM • 1 stop

$719

Delta Airlines

Jun 24 - Jun 26, Economy

Ontario → Newark

15h 18m

11:50 AM - 12:08 AM • 1 stop

Ontario → Newark

13h 21m

1:29 PM - 6:30 PM • 1 stop

$719

Delta Airlines

Explore competitive one-way airfare options for ONT - EWR flights. Best suited for flexible or open-ended travel plans.

Jul 01, Economy

Ontario → Newark

15h 27m

6:02 AM - 6:29 PM • 1 stop

$264

Alaska Airlines

Jul 01, Economy

Ontario → Newark

17h 3m

6:10 AM - 7:33 PM • 1 stop

$495

United Airlines

Jul 01, Economy

Ontario → Newark

15h 27m

5:32 PM - 5:59 AM • 1 stop

$573

Alaska Airlines

Jul 01, Economy

Ontario → Newark

25h 55m

12:04 PM - 6:59 AM • 1 stop

$581

Alaska Airlines

Jul 01, Economy

Ontario → Newark

35h 35m

5:54 PM - 6:29 PM • 1 stop

$592

Alaska Airlines

Jul 01, Economy

Ontario → Newark

24h 17m

6:02 AM - 11:59 PM • 1 stop

$592

Alaska Airlines

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.

Jul 01, Economy

Ontario → Newark

15h 27m

6:02 AM - 6:29 PM • 1 stop

$264

Alaska Airlines

Jul 01, Economy

Ontario → Newark

17h 3m

6:10 AM - 7:33 PM • 1 stop

$495

United Airlines

Jul 01, Economy

Ontario → Newark

15h 27m

5:32 PM - 5:59 AM • 1 stop

$573

Alaska Airlines

Jul 01, Economy

Ontario → Newark

25h 55m

12:04 PM - 6:59 AM • 1 stop

$581

Alaska Airlines

Jul 01, Economy

Ontario → Newark

35h 35m

5:54 PM - 6:29 PM • 1 stop

$592

Alaska Airlines

Jul 01, Economy

Ontario → Newark

24h 17m

6:02 AM - 11:59 PM • 1 stop

$592

Alaska 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?

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 6:00 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 AS : USD 573

Do I need a passport to fly between ONT and EWR?

What’s the latest departure time from ONT to EWR ?

The last flight leaves ONT at 10:00 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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Cheap Flight Tickets from Ontario (ONT) to Newark (EWR), Starting at $264

Good to Know: Cheapest and Fastest ONT - EWR Flights

Top Airlines Flying from Ontario to Newark

Delta Airlines

United Airlines

American Airlines

Alaska 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.

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.

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

FAQs on Ontario to Newark Flights

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

More Flight Options for Ontario (ONT) and Newark (EWR)

More Flight Options from Ontario

More Flight Options to Newark

Other Related Flights

Why Fareleaders for ONT to EWR Plane Tickets