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

$354

United Airlines • 1 stop • 12h 16m

Oct 10 – Oct 12

The cheapest round trip flight from Ontario to Newark (ONT-EWR-ONT) is currently $354

🔍 Search Flights

Cheapest One way Flight

$539

Delta Airlines • 1 stop • 11h 48m

Oct 08

The cheapest one way flight from Ontario to Newark (ONT-EWR) is currently $539

🔍 Search Flights

Fastest Flight

10h 51m

The fastest nonstop flight from Ontario to Newark (ONT-EWR) takes 10h 51m

Top Airlines Flying from Ontario to Newark

Delta Airlines

American Airlines

Alaska Airlines

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.

Oct 10 - Oct 12, Economy

Ontario → Newark

12h 16m

1:22 PM - 11:58 PM • 1 stop

Ontario → Newark

17h 16m

1:22 PM - 8:58 PM • 1 stop

$354

United Airlines

Oct 10 - Oct 12, Economy

Ontario → Newark

15h 23m

5:00 AM - 5:23 PM • 1 stop

Ontario → Newark

15h 20m

2:38 PM - 8:58 PM • 1 stop

$354

United Airlines

Oct 10 - Oct 12, Economy

Ontario → Newark

15h 42m

12:16 PM - 12:58 AM • 1 stop

Ontario → Newark

13h 21m

1:21 PM - 6:22 PM • 1 stop

$628

Delta Airlines

Oct 10 - Oct 12, Economy

Ontario → Newark

12h 23m

7:07 AM - 5:50 PM • 1 stop

Ontario → Newark

17h 32m

10:30 AM - 6:22 PM • 1 stop

$628

Delta Airlines

Oct 10 - Oct 12, Economy

Ontario → Newark

10h 51m

1:35 PM - 11:26 PM • 1 stop

Ontario → Newark

13h 26m

6:00 AM - 11:06 AM • 1 stop

$628

Delta Airlines

Oct 10 - Oct 12, Economy

Ontario → Newark

12h 29m

6:00 AM - 4:49 PM • 1 stop

Ontario → Newark

15h 22m

12:00 PM - 6:22 PM • 1 stop

$628

Delta Airlines

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

Oct 08, Economy

Ontario → Newark

11h 48m

11:15 PM - 9:23 AM • 1 stop

$539

Delta Airlines

Oct 08, Economy

Ontario → Newark

22h 26m

2:13 PM - 6:59 AM • 1 stop

$684

Alaska Airlines

Oct 08, Economy

Ontario → Newark

35h 57m

6:02 AM - 6:59 AM • 1 stop

$684

Alaska Airlines

Oct 08, Economy

Ontario → Newark

12h 18m

7:07 AM - 5:45 PM • 1 stop

$709

Delta Airlines

Oct 08, Economy

Ontario → Newark

16h 43m

11:15 PM - 12:18 PM • 1 stop

$709

Delta Airlines

Oct 08, Economy

Ontario → Newark

15h 42m

12:16 PM - 12:58 AM • 1 stop

$709

Delta 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.

Oct 08, Economy

Ontario → Newark

11h 48m

11:15 PM - 9:23 AM • 1 stop

$539

Delta Airlines

Oct 08, Economy

Ontario → Newark

22h 26m

2:13 PM - 6:59 AM • 1 stop

$684

Alaska Airlines

Oct 08, Economy

Ontario → Newark

35h 57m

6:02 AM - 6:59 AM • 1 stop

$684

Alaska Airlines

Oct 08, Economy

Ontario → Newark

12h 18m

7:07 AM - 5:45 PM • 1 stop

$709

Delta Airlines

Oct 08, Economy

Ontario → Newark

16h 43m

11:15 PM - 12:18 PM • 1 stop

$709

Delta Airlines

Oct 08, Economy

Ontario → Newark

15h 42m

12:16 PM - 12:58 AM • 1 stop

$709

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?

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 709

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 11:15 pm

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

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

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

Flights from Orlando (MCO) to New York (LGA) Flights from Buffalo (BUF) to New York (JFK) Flights from Atlanta (ATL) to Newark (EWR) Flights from Atlanta (ATL) to Newark (EWR) Flights from Miami (MIA) to New York (JFK) Flights from Atlanta (ATL) to New York (LGA) Flights from San Francisco (SFO) to Newark (EWR) Flights from San Francisco (SFO) to Newark (EWR) Flights from Santo Domingo (SDQ) to New York (JFK) Flights from Atlanta (ATL) to New York (JFK) Flights from Los Angeles (LAX) to New York (JFK) Flights from San Francisco (SFO) to New York (JFK) Flights from Miami (MIA) to New York (LGA) Flights from Orlando (MCO) to Newark (EWR) Flights from Orlando (MCO) to Newark (EWR) Flights from Oranjestad (AUA) to New York (LGA) Flights from Oranjestad (AUA) to New York (LGA) Flights from Norfolk (ORF) to New York (LGA) Flights from Dallas (DFW) to New York (LGA) Flights from Dallas (DFW) to New York (LGA)

Cheap flights to North America (NA) Cheap flights to United States (US) Cheap flights to New Jersey (US-NJ) Cheap flights to California (US-CA) Cheap flights from North America (NA) Cheap flights from United States (US) Cheap flights from California (US-CA) Cheap flights from New Jersey (US-NJ) Flights to Newark (EWR) Flights to Newark (EWR) Flights to New York (JFK) Flights to New York (LGA) Flights to Ontario (ONT) Flights to Ontario (ONT) Flights from Newark (EWR) Flights from Newark (EWR) Flights from Newark (EWR) to Ontario (ONT) Flights from New York (JFK) Flights from New York (JFK) to Ontario (ONT) Flights from New York (LGA) Flights from New York (LGA) to Ontario (ONT) Flights from New York (LGA) to Ontario (ONT) Flights from Ontario (ONT)

Why Fareleaders for ONT to EWR Plane Tickets

Lowest Prices

Uncover the best deals on Ontario to Newark flights by comparing fares from hundreds of airlines and agencies.

New Deals Everyday

Get the best prices on ONT to EWR flights—we update our fares daily so you never miss a saving.

No Service Fees

Compare hundreds of Ontario to Newark flights and secure the best deals—we never add any service fees.

Cheap Flight Tickets from Ontario (ONT) to Newark (EWR), Starting at $354

Good to Know: Cheapest and Fastest ONT - EWR Flights

Top Airlines Flying from Ontario to Newark

Delta Airlines

American Airlines

Alaska Airlines

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.

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