Cheap flights from Newark to Ontario (EWR - ONT)

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The best prices from Newark to Ontario are usually found in June or July, booked 36 days in advance, depart on a Thursday or Saturday and return on a Wednesday

How to find the cheapest flight from
Newark (EWR) to Ontario (ONT)

All the information you need to plan the best EWR to ONT flight in 2021: compare Newark to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
EWR - ONT
Price
$224 - $458
ONT
Temperature
53.6 - 78.8 °F
ONT
Precipitation
0.1 - 3.4 inches

Popular in

December

High demand for flights, 32% potential price rise

Cheapest in

June

Best time to find cheap flights, 28% potential price drop

Round-trip from

$224

From Newark to Ontario

One-way from

$106

One-way flight from Newark to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Newark Airport to Ontario (EWR - ONT)?

It’s optimal to fly from Newark Airport to Ontario in the evening. By choosing this option you can save up to 52% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly round-trip from Newark Airport to Ontario?

Saturday flights are generally found to be more expensive for flights from Newark Airport to Ontario. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ontario.

What is the cheapest month to fly from Newark Airport to Ontario?

Flights from Newark Airport to Ontario lean towards being more expensive in December. Prices are generally better when you fly from Newark Airport to Ontario in August, with the cheapest ticket starting at $107.

How far in advance should I book a flight from Newark Airport to Ontario?

Users have found that booking a flight from Newark Airport to Ontario at least 33 days early can save you up to 72% on average compared to booking a flight this week. If booking 33 days before your flight isn’t an option for you, users have found flights from Newark Airport to Ontario for as little as $375 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $533 for flights departing within the next 3 days.

Cheap flights from Newark to Ontario in December, January 2022

The best prices found for EWR to ONT flights for December, January
5 Jan - 12 Jan
$169pp
EWR
Newark
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
   
2 STOPS
EWR
Newark
6 Jan - 11 Jan
$170pp
EWR
Newark
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
EWR
Newark
5 Jan - 12 Jan
$171pp
EWR
Newark
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
EWR
Newark

Newark to Ontario 2022 flight deals

Cheap flights to Ontario from Newark found for this year
14 Dec - 5 Jan
$207pp
EWR
Newark
Frontier
     
3 STOPS
ONT
Ontario
ONT
Ontario
Frontier
     
3 STOPS
EWR
Newark
14 Dec - 5 Jan
$213pp
EWR
Newark
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
EWR
Newark
13 Dec - 14 Dec
$215pp
EWR
Newark
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
EWR
Newark

Last minute flights from Newark to Ontario

Late deals on round-trip flights to Ontario from Newark, departing today and this week
14 Dec - 5 Jan
$207pp
EWR
Newark
Frontier
     
3 STOPS
ONT
Ontario
ONT
Ontario
Frontier
     
3 STOPS
EWR
Newark
14 Dec - 5 Jan
$213pp
EWR
Newark
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
EWR
Newark
13 Dec - 14 Dec
$215pp
EWR
Newark
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
EWR
Newark

One-way flights to Ontario from Newark

The cheapest one-way flights from Newark to Ontario
1:10 pm - 6:52 pm
Delta
1 Stop
8h 42m
EWR - ONT
Delta
$106
Delta
7:30 am - 2:33 pm
United Airlines
1 Stop
10h 03m
EWR - ONT
United Airlines
$128
United
2:15 am - 10:24 am
Alaska Airlines
1 Stop
11h 09m
EWR - ONT
Alaska Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Newark</span> to <span class="emphasized">Ontario</span> flights.

Flight FAQs

From Newark to Ontario

What airport do you fly into for flights to Ontario from Newark?

Ontario (ONT) is the airport you will fly into if you book a flight from Newark to Ontario. You should not have trouble finding flights to Ontario from Newark; the airport handles an average of 0 inbound flights from Newark per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the Ontario airport from Newark. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

Which airlines flying from Newark to Ontario have flexible cancellations due to COVID-19?

United Airlines, American Airlines, and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Newark Airport to Ontario for under $200 on Cheapflights?

Yes, there are multiple flights from Newark Airport to Ontario for under $200. The cheapest flight booked recently is on Multiple Airlines for just $161, but on average you can expect to pay $192.

Are there last-minute flights available from Newark Airport to Ontario for under $300?

There are currently 20+ open flights from Newark Airport to Ontario within the next 7 days for less than $300.

How popular is this Newark Airport to Ontario flight route?

This flight path from Newark to Ontario was viewed by 17 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from Newark Airport to Ontario round-trip?

According to our current data, United Airlines ($211), Delta ($215), and Frontier ($227) offers the cheapest pricing from Newark Airport to Ontario. United Airlines is priced at 32% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Newark Airport to Ontario one-way?

The cheapest airlines for a one-way flight from Newark Airport to Ontario are Frontier ($74), Alaska Airlines ($102), and Delta ($106).

What are the cheapest flights from Newark Airport to Ontario?

Looking at all options, your cheapest flight can be booked for $109. While the most popular route (Newark - Ontario) can be booked for $161 on average our data indicates $381 when flying from Newark Airport to Ontario.

What are the most popular airlines that fly from Newark Airport to Ontario?

Major Airline, American Airlines and Alaska Airlines are the most popular airlines when flying from Newark Airport to Ontario.

COVID Restrictions

View COVID Travel Restrictions for Ontario, CA

Do I need a COVID test to fly to Ontario from Newark?

Information is based on travel restrictions for travel to Ontario within the United States

Most visitors from Newark need to provide a negative COVID-19 test result and/or quarantine to enter Ontario.

COVID-19 testing requirements
Visitors from Newark must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Ontario.

Quarantine requirements
Visitors from Newark are not required to quarantine after entering Ontario.

Do I need a test to fly back to Newark from Ontario?

Returning to Newark from Ontario

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Newark.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Newark.

Hide COVID Travel Restrictions for Ontario, CA

Alternative routes for Newark to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Ontario

Things to know before you go - useful duration and weather info for your trip from Newark to Ontario.

Airports servicing Newark

Airports servicing Ontario

Top 5 airlines flying from Newark to Ontario

The chart below displays the airlines Cheapflights users traveling from Newark to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
$127 $399 No cancel fee 71%
Alaska Airlines
$128 $292 No cancel fee 75%
Delta
$132 $376 No cancel fee N/A
United Airlines
$145 $382 No cancel fee 69%
Frontier
$171 $207 No cancel fee 62%
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