Cheap flights from Newark Intl to Ontario (EWR - ONT)

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The best prices from Newark Intl 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 Intl (EWR) to Ontario (ONT)

All the information you need to plan the best EWR to ONT flight in 2021: compare Newark Intl to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
EWR - ONT
Price
$224 - $458

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 Intl to Ontario

One-way from

$159

One-way flight from Newark Intl to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Newark Intl to Ontario?

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 41% on your flight compared to booking on days when demand is much higher.

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

Users have found that booking a flight from Newark Intl to Ontario at least 17 days early can save you up to 20% on average compared to booking a flight this week. If booking 17 days before your flight isn’t an option for you, users have found flights from Newark Intl to Ontario for as little as $75 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 $95 for flights departing within the next 3 days.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, April can be a great choice for travel to Ontario. Flights to Ontario from Newark Intl in April are about $86 on average during April, but can be found for as low as $43.

When is the cheapest time to fly from Newark Intl to Ontario (EWR - ONT)?

When flying from Newark Intl to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 52% versus a flight at noon.

Cheap flights from Newark Intl to Ontario in May, June 2021

The best prices found for EWR to ONT flights for May, June
20 May - 24 May
$215pp
EWR
Newark
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
EWR
Newark
18 May - 20 May
$226pp
EWR
Newark
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
EWR
Newark
18 May - 20 May
$231pp
EWR
Newark
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
EWR
Newark

Newark Intl to Ontario 2021 flight deals

Cheap flights to Ontario from Newark Intl found for this year
20 May - 24 May
$215pp
EWR
Newark
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
EWR
Newark
18 May - 20 May
$226pp
EWR
Newark
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
EWR
Newark
18 May - 20 May
$231pp
EWR
Newark
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
EWR
Newark

Last minute flights from Newark Intl to Ontario

Late deals on round-trip flights to Ontario from Newark Intl, departing today and this week
18 May - 20 May
$226pp
EWR
Newark
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
EWR
Newark
18 May - 20 May
$231pp
EWR
Newark
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
EWR
Newark
18 May - 20 May
$244pp
EWR
Newark
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
     
3 STOPS
EWR
Newark

One-way flights to Ontario from Newark Intl

The cheapest one-way flights from Newark Intl to Ontario
1:01 am - 8:14 am
American Airlines
2 Stops
10h 13m
EWR - ONT
American Airlines
5:25 am - 2:16 pm
Delta
2 Stops
11h 51m
EWR - ONT
Delta
$161
Delta
3:45 am - 4:11 pm
Multiple Airlines
2 Stops
15h 26m
EWR - ONT
Multiple Airlines
$168
Kiwi.com

Related info for your journey

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

Flight FAQs

From Newark Intl to Ontario

Are flight prices decreasing from Newark Intl to Ontario due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Newark Intl and Ontario for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Newark to Ontario to control the spread of COVID-19?

New policies can now be found on Alaska Airlines and Delta to help keep travelers safe while flying. Some of the new policies that have been implemented to accommodate travelers flying from Newark to Ontario are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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.

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.

Can I find flights from Newark Intl to Ontario for under $300 on Cheapflights?

Yes, there are multiple flights from Newark Intl to Ontario for under $300. The cheapest flight booked recently is on Multiple Airlines for just $215, but on average you can expect to pay $258.

Are there nonstop flights from Newark Intl to Ontario for under $200 on Cheapflights?

There are no nonstop flights from Newark Intl to Ontario, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

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

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

What days are nonstop flights available from Newark Intl to Ontario?

Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday.

Does it rain more in Newark Intl or Ontario?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Newark Intl is typically greater than that of Ontario. We can gather that this will continue over the next 17 days.

Is Newark Intl weather warmer or cooler than Ontario?

With an average temperature of 95 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in Ontario are hotter than in Newark Intl.

How long is the flight from Newark Intl to Ontario?

American Airlines, Delta, and Frontier can get you from Newark Intl to Ontario in just under 8h 15m. Your travel time can differ by up to 12h 35m. This flight may include one or multiple stops.

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

Flying on Frontier is currently your cheapest option to Ontario, with prices starting at $226. Another option worth looking into is American Airlines, starting at $313 round trip. You may be able to fly from Newark Intl to Ontario for 27% less than the average price by searching for these airlines.

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

The cheapest airlines for a one-way flight from Newark Intl to Ontario are Frontier ($84), Delta ($139), and American Airlines ($157).

Alternative routes for Newark Intl 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 Intl to Ontario.

Airports servicing Newark

Airports servicing Ontario

Top 5 airlines flying from Newark Intl to Ontario

The chart below displays the airlines Cheapflights users traveling from Newark Intl 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
Frontier
$171 $207 No cancel fee 62%
Alaska Airlines
$128 $292 No cancel fee 75%
Delta
$132 $376 No cancel fee N/A
United Airlines
$145 $382 No cancel fee 69%
American Airlines
$127 $399 No cancel fee 71%
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