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Newark

$108+ Cheap flights from Ontario (ONT) to Newark (EWR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EWR
ago. 2 — ago. 91
sáb. 8/2
sáb. 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Newark are usually found in January or September, booked 69 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Ontario to Newark

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Newark (EWR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 28, 2025.

Round-trip from

$226
(Trip.com)

One-way from

$108
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$406
From Ontario to Newark
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One-way flight from Ontario to Newark
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Ontario to Newark

Cheapest flights from Ontario to Newark
Explore the most affordable flight options available from Ontario to Newark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 28, 2025.

This Bravofly deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/137:10 amONT - EWR
1 stop8h 49mHawaiian Airlines
jue. 10/25:48 pmEWR - ONT
1 stop9h 06mHawaiian Airlines
Deal found 7/28$258
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/314:11 pmONT - EWR
1 stop10h 48mAlaska Airlines
mié. 11/57:30 amEWR - ONT
1 stop10h 47mAlaska Airlines
Deal found 7/28$259
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1811:59 pmONT - EWR
1 stop8h 48mAmerican Airlines
mar. 8/267:15 amEWR - ONT
1 stop7h 17mAmerican Airlines
Deal found 7/28$268
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/306:00 amONT - EWR
1 stop8h 35mDelta
vie. 10/33:30 pmEWR - ONT
1 stop9h 53mDelta
Deal found 7/27$281
This lastminute.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/67:10 amONT - EWR
1 stop8h 49mMultiple Airlines
vie. 9/127:19 amEWR - ONT
1 stop9h 53mMultiple Airlines
Deal found 7/28$352
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/267:00 amONT - EWR
1 stop9h 17mUnited Airlines
dom. 8/3110:35 amEWR - ONT
1 stop10h 02mUnited Airlines
Deal found 7/27$360

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Newark that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 28, 2025.
Use the filters below to find and compare flights from Ontario to Newark Airport that are best for you.

Fly from

Ontario

Fly to

Newark

Route

Depart

Return

Price

OntarioNewark

ONT - EWR

ONTEWR

Ontario

jue. 9/18

6:00 am-5:54 am

1 stop20h 54m

Newark

sáb. 9/20

6:59 am-9:56 pm

1 stop17h 57m

$226

OntarioNewark

ONT - EWR

ONTEWR

Ontario

sáb. 9/13

7:10 am-6:59 pm

1 stop8h 49m

Newark

jue. 10/2

5:48 pm-11:54 pm

1 stop9h 06m

$258

OntarioNewark

ONT - EWR

ONTEWR

Ontario

lun. 9/22

3:06 pm-5:59 am

1 stop11h 53m

Newark

mié. 9/24

7:19 am-2:12 pm

1 stop9h 53m

$267

OntarioNewark

ONT - EWR

ONTEWR

Ontario

jue. 10/2

1:10 pm-10:59 pm

1 stop6h 49m

Newark

mar. 10/7

5:00 am-1:32 pm

2 stops11h 32m

$272

OntarioNewark

ONT - EWR

ONTEWR

Ontario

mar. 9/30

6:00 am-5:35 pm

1 stop8h 35m

Newark

vie. 10/3

3:30 pm-10:23 pm

1 stop9h 53m

$281

OntarioNewark

ONT - EWR

ONTEWR

Ontario

mar. 9/30

6:36 pm-5:24 am

1 stop7h 48m

Newark

dom. 10/5

6:15 am-12:51 pm

1 stop9h 36m

$308

OntarioNewark

ONT - EWR

ONTEWR

Ontario

mié. 9/24

8:00 am-5:54 am

1 stop18h 54m

$108

OntarioNewark

ONT - EWR

ONTEWR

Ontario

mar. 9/16

3:06 pm-5:59 am

1 stop11h 53m

$129

OntarioNewark

ONT - EWR

ONTEWR

Ontario

lun. 8/25

11:59 pm-12:36 pm

2 stops9h 37m

$138

OntarioNewark

ONT - EWR

ONTEWR

Ontario

mar. 10/14

10:29 pm-9:36 am

1 stop8h 07m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 12 results
1
2

Best time to book a flight from Ontario to Newark

Have a flexible travel schedule? Discover the best time to fly to Newark from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Newark Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Newark. Price data was last updated on July 25, 2025.

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Newark Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Ontario to Newark Airport?

Currently, January is the cheapest month in which you can book a flight from Ontario to Newark Airport (average of $228). Flying from Ontario to Newark Airport in June is currently the most expensive (average of $300). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to EWR?

Find hourly flight availability from Ontario to Newark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 28, 2025.

When flying from Ontario to Newark Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 8% versus a flight in the afternoon.

Reviews of airlines servicing Newark

Get insights into the airlines that provide service to Newark. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Newark. Reviews last updated julio 28, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian Airlines from Ontario to Newark Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,975 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,892 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Newark. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Newark. 6 airlines have flights from Ontario to Newark on a regular basis. Booking flights from Ontario to Newark should not be difficult; the airport handles an average of 0 outbound flights to Newark per day.

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

    Cheapflights users have booked flights from Ontario to Newark Airport round-trip from $259. Other airlines that can offer you cheap pricing are American Airlines, from $272, and Delta, from $281. Alaska Airlines is priced at 34% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $126. Alaska Airlines flights start at $127 while deals on American Airlines start at $138 one-way.

  • Can I find deals for flights from Ontario to Newark that include hotel bookings?

    Yes. In addition to deals on Ontario to Newark flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Newark?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Newark.

  • Can I find deals for business class flights from Ontario to Newark?

    Yes. Cheapflights offers flight deals from Ontario to Newark by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Newark Airport?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Newark Airport (average of $228). Flying from Ontario to Newark Airport in June is currently the most expensive (average of $300). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Newark Airport?

Book flights to Newark Airport if you plan to visit one of these locations
Queens
Bronx
Elizabeth
Secaucus
Ronkonkoma
Yonkers
East Rutherford
North Bergen
Staten Island
Stamford
Parsippany
Mahwah
New Brunswick
Carle Place
Absecon
Westbury
Hoboken
East Brunswick
Avenel
Paterson

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Top 6 airlines flying from Ontario to Newark

Discover the top 6 airlines that operate flights from Ontario to Newark. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$87FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$138Average$196FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$237Average$337FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$265Average$397FlexibilityNo cancel feeOn-time71%
DeltaCheapest$266Average$367FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$282Average$436FlexibilityNo cancel feeOn-time69%

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