How long is the flight from Ontario to Newark Airport?

Alaska Airlines and United Airlines can get you from Ontario to Newark Airport in just under 7h 59m. Your travel time can differ by up to 1h 15m. There are 2401 mi between Ontario and Newark Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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 $48. Other airlines that can offer you cheap pricing are Spirit Airlines, from $67, and JetBlue, from $237. Frontier is priced at 88% 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 Frontier, which is currently one of the cheapest options available, starting at $82. Alaska Airlines flights start at $126 while deals on American Airlines start at $138 one-way.

In terms of precipitation, rainfall in Newark Airport ranges from 2.9 - 4.8 inches per month. July is typically the wettest month, when rainfall can reach 4.8 in. February is typically the driest time to visit Newark Airport when rainfall is around 2.9 in.

If weather is an important factor for your trip to Newark Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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

Before booking your flight from Ontario to Newark Airport check out the most popular airlines for this route: American Airlines, United Airlines or Delta.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Newark Airport as you normally would.

Most accurate provider : When it comes to deals on Ontario-Newark Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Newark Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Newark Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Newark Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Newark Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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.

$98+ Flights from Ontario to Newark Airport

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Find cheap flights from Ontario to Newark with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheap flight deals from Ontario to Newark

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$198 (Kiwi.com)
One-way from	$98 (Kiwi.com)
Popular in	November
Cheapest in	January
Average price	$349

Provider with most accurate pricing for Ontario-Newark flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Newark flights.

Search Deals

From Ontario to Newark

Search Deals

One-way flight from Ontario to Newark

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($63 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

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 January 6, 2026.

Thu 2/52:06 pmONT - EWR

1 stop24h 48mMultiple Airlines

Mon 2/910:30 pmEWR - ONT

2 stops26h 04mMultiple Airlines

Deal found 1/6

$187

Mon 1/263:36 pmONT - EWR

1 stop23h 18mMultiple Airlines

Thu 1/295:25 amEWR - ONT

2 stops21h 55mMultiple Airlines

Deal found 1/6

$198

Fri 2/66:20 amONT - EWR

2 stops21h 27mMultiple Airlines

Sun 2/84:15 pmEWR - ONT

1 stop25h 12mMultiple Airlines

Deal found 1/6

$199

Tue 2/33:07 pmONT - EWR

2 stops17h 35mMultiple Airlines

Wed 2/44:15 pmEWR - ONT

1 stop25h 12mMultiple Airlines

Deal found 1/6

$202

Thu 2/262:06 pmONT - EWR

1 stop24h 48mMultiple Airlines

Mon 3/210:14 pmEWR - ONT

2 stops26h 20mMultiple Airlines

Deal found 1/5

$204

Fri 2/202:21 pmONT - EWR

1 stop24h 33mMultiple Airlines

Mon 2/234:05 pmEWR - ONT

2 stops24h 47mMultiple Airlines

Deal found 1/6

$205

Mon 2/23:36 pmONT - EWR

1 stop23h 18mMultiple Airlines

Mon 2/910:30 pmEWR - ONT

2 stops26h 04mMultiple Airlines

Deal found 1/5

$215

Fri 2/132:21 pmONT - EWR

1 stop24h 33mMultiple Airlines

Sat 2/213:59 pmEWR - ONT

2 stops19h 00mMultiple Airlines

Deal found 1/6

$218

Mon 1/268:05 pmONT - EWR

2 stops42h 49mMultiple Airlines

Wed 2/44:15 pmEWR - ONT

1 stop25h 12mMultiple Airlines

Deal found 1/5

$222

Tue 2/248:35 amONT - EWR

2 stops13h 33mMultiple Airlines

Sat 2/284:05 pmEWR - ONT

1 stop25h 24mMultiple Airlines

Deal found 1/6

$236

Thu 2/266:05 amONT - EWR

2 stops21h 48mMultiple Airlines

Sun 3/14:05 pmEWR - ONT

1 stop25h 25mMultiple Airlines

Deal found 1/5

$237

Best flights from Ontario to Newark
Discover carefully curated flight deals from Ontario to Newark that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 6, 2026.

Tue 2/246:14 amONT - EWR

1 stop9h 14mAlaska Airlines

Thu 3/55:30 pmEWR - ONT

1 stop9h 22mAlaska Airlines

Deal found 1/6

$333

Tue 2/38:00 amONT - EWR

1 stop7h 59mUnited Airlines

Tue 2/102:07 pmEWR - ONT

1 stop9h 51mUnited Airlines

Deal found 1/6

$333

Thu 2/512:41 pmONT - EWR

1 stop9h 14mDelta

Mon 2/96:44 pmEWR - ONT

1 stop8h 14mDelta

Deal found 1/3

$333

Tue 3/37:00 amONT - EWR

1 stop8h 59mAlaska Airlines

Wed 3/45:30 pmEWR - ONT

1 stop9h 22mAlaska Airlines

Deal found 1/4

$333

Fri 3/61:15 pmONT - EWR

1 stop8h 38mDelta

Mon 3/92:30 pmEWR - ONT

2 stops12h 20mDelta

Deal found 1/4

$338

Tue 2/247:00 amONT - EWR

1 stop8h 59mAlaska Airlines

Mon 3/95:30 pmEWR - ONT

1 stop9h 22mAlaska Airlines

Deal found 1/4

$333

Fri 2/207:00 amONT - EWR

1 stop8h 59mAlaska Airlines

Mon 2/235:30 pmEWR - ONT

1 stop9h 22mAlaska Airlines

Deal found 1/4

$333

Tue 3/106:14 amONT - EWR

1 stop9h 14mAlaska Airlines

Thu 3/125:30 pmEWR - ONT

1 stop9h 22mAlaska Airlines

Deal found 1/4

$333

Sat 3/77:00 amONT - EWR

1 stop8h 59mAlaska Airlines

Mon 3/95:30 pmEWR - ONT

1 stop9h 22mAlaska Airlines

Deal found 1/4

$333

Wed 3/186:00 amONT - EWR

1 stop9h 29mAlaska Airlines

Wed 3/254:55 pmEWR - ONT

1 stop10h 04mAlaska Airlines

Deal found 1/5

$333

Thu 3/57:00 amONT - EWR

1 stop8h 59mAlaska Airlines

Tue 3/105:30 pmEWR - ONT

1 stop9h 22mAlaska Airlines

Deal found 1/4

$333

Thu 1/296:00 amONT - EWR

1 stop9h 24mAlaska Airlines

Mon 2/26:08 pmEWR - ONT

1 stop29h 28mAlaska Airlines

Deal found 1/6

$336

Last-minute flights from Ontario to Newark
Discover last-minute flight deals from Ontario to Newark. Data last updated January 6, 2026 and is based on user searches.

Mon 1/268:05 pmONT - EWR

2 stops42h 49mMultiple Airlines

Wed 2/44:15 pmEWR - ONT

1 stop25h 12mMultiple Airlines

Deal found 1/5

$222

Mon 2/23:36 pmONT - EWR

1 stop23h 18mMultiple Airlines

Mon 2/910:30 pmEWR - ONT

2 stops26h 04mMultiple Airlines

Deal found 1/5

$215

Tue 2/33:07 pmONT - EWR

2 stops17h 35mMultiple Airlines

Wed 2/44:15 pmEWR - ONT

1 stop25h 12mMultiple Airlines

Deal found 1/6

$202

Thu 2/56:20 amONT - EWR

2 stops36h 15mFrontier

Mon 2/910:30 pmEWR - ONT

2 stops26h 04mFrontier

Deal found 1/5

$256

Thu 2/122:06 pmONT - EWR

1 stop24h 48mMultiple Airlines

Tue 2/1710:31 pmEWR - ONT

2 stops38h 03mMultiple Airlines

Deal found 1/5

$250

Fri 2/132:21 pmONT - EWR

1 stop24h 33mMultiple Airlines

Sat 2/213:59 pmEWR - ONT

2 stops19h 00mMultiple Airlines

Deal found 1/6

$236

Fri 2/132:21 pmONT - EWR

1 stop24h 33mMultiple Airlines

Tue 2/1710:31 pmEWR - ONT

2 stops22h 51mMultiple Airlines

Deal found 1/5

$252

Sat 2/218:21 amONT - EWR

1 stop30h 33mMultiple Airlines

Wed 2/255:59 amEWR - ONT

2 stops15h 23mMultiple Airlines

Deal found 1/5

$239

Thu 2/262:06 pmONT - EWR

1 stop24h 48mMultiple Airlines

Mon 3/210:14 pmEWR - ONT

2 stops26h 20mMultiple Airlines

Deal found 1/5

$204

Thu 2/266:05 amONT - EWR

2 stops21h 48mMultiple Airlines

Sun 3/14:05 pmEWR - ONT

1 stop25h 25mMultiple Airlines

Deal found 1/5

$237

One-way flights from Ontario to Newark
Search for one-way flight options from Ontario to Newark. Find affordable one-way fares based on user searches. Data last updated January 6, 2026.

Thu 2/52:06 pmONT - EWR

1 stop24h 48mMultiple Airlines

Deal found 1/6

$98

Mon 2/26:20 amONT - EWR

2 stops36h 15mFrontier

Deal found 1/4

$105

Thu 1/292:06 pmONT - EWR

1 stop24h 48mMultiple Airlines

Deal found 1/5

$108

Sat 1/317:15 amONT - EWR

2 stops37h 33mMultiple Airlines

Deal found 1/4

$109

Mon 2/23:36 pmONT - EWR

1 stop23h 18mMultiple Airlines

Deal found 1/4

$110

Fri 1/236:20 amONT - EWR

2 stops14h 28mMultiple Airlines

Deal found 1/6

$115

Mon 2/236:43 pmONT - EWR

2 stops20h 11mMultiple Airlines

Deal found 1/4

$118

Fri 1/3010:18 amONT - EWR

2 stops28h 36mMultiple Airlines

Deal found 1/4

$119

Fly from

Fly to

Route

Depart

Return

Price

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 2/24

6:14 am-6:28 pm

1 stop9h 14m

Newark

Thu 3/5

5:30 pm-11:52 pm

1 stop9h 22m

$333

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 2/3

8:00 am-6:59 pm

1 stop7h 59m

Newark

Tue 2/10

2:07 pm-8:58 pm

1 stop9h 51m

$333

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Thu 2/5

12:41 pm-12:55 am

1 stop9h 14m

Newark

Mon 2/9

6:44 pm-11:58 pm

1 stop8h 14m

$333

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 3/3

7:00 am-6:59 pm

1 stop8h 59m

Newark

Wed 3/4

5:30 pm-11:52 pm

1 stop9h 22m

$333

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 2/24

7:00 am-6:59 pm

1 stop8h 59m

Newark

Mon 3/9

5:30 pm-11:52 pm

1 stop9h 22m

$333

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Fri 2/20

7:00 am-6:59 pm

1 stop8h 59m

Newark

Mon 2/23

5:30 pm-11:52 pm

1 stop9h 22m

$333

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 3/10

6:14 am-6:28 pm

1 stop9h 14m

Newark

Thu 3/12

5:30 pm-11:52 pm

1 stop9h 22m

$333

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Sat 3/7

7:00 am-6:59 pm

1 stop8h 59m

Newark

Mon 3/9

5:30 pm-11:52 pm

1 stop9h 22m

$333

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 3/18

6:00 am-6:29 pm

1 stop9h 29m

Newark

Wed 3/25

4:55 pm-11:59 pm

1 stop10h 04m

$333

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Thu 3/5

7:00 am-6:59 pm

1 stop8h 59m

Newark

Tue 3/10

5:30 pm-11:52 pm

1 stop9h 22m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 23 results

Compare providers for flights from Ontario to Newark

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Newark in January.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ontario-Newark Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Newark Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Newark Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Newark Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Newark Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

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, June is the cheapest month in which you can book a flight from Ontario to Newark Airport (average of $78). Flying from Ontario to Newark Airport in December is currently the most expensive (average of $166). 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.

Reviews of airlines servicing Newark

Get a feel of what it's like to fly with Delta, United Airlines, and American 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.

Delta

7.9

Good

8,022 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Delta

7.9

Good

8,022 reviews

Delta

7.9

Good

8,022 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

United Airlines

7.4

Good

9,138 reviews

Delta

7.9

Good

8,022 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

American Airlines

7.2

Good

11,088 reviews

Delta

7.9

Good

8,022 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

JetBlue

7.2

Good

2,896 reviews

Delta

7.9

Good

8,022 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Spirit Airlines

6.3

Okay

8,283 reviews

Delta

7.9

Good

8,022 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

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.
How long is the flight from Ontario to Newark Airport?
Alaska Airlines and United Airlines can get you from Ontario to Newark Airport in just under 7h 59m. Your travel time can differ by up to 1h 15m. There are 2401 mi between Ontario and Newark Airport. Both multi-stop and nonstop flights can be found to your destination and back.
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 $48. Other airlines that can offer you cheap pricing are Spirit Airlines, from $67, and JetBlue, from $237. Frontier is priced at 88% 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 Frontier, which is currently one of the cheapest options available, starting at $82. Alaska Airlines flights start at $126 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, June is the cheapest month in which you can book a flight from Ontario to Newark Airport (average of $78). Flying from Ontario to Newark Airport in December is currently the most expensive (average of $166). 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

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Parsippany

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Carteret

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Top 6 airlines flying from Ontario to Newark

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$48	Average$97	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$67	Average$205	FlexibilityNo cancel fee	On-time65%
JetBlue	Cheapest$237	Average$317	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$262	Average$428	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$281	Average$376	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$282	Average$410	FlexibilityNo cancel fee	On-time69%

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$98+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Newark with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Newark

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Newark

Cheapest flights from Ontario to NewarkExplore 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 January 6, 2026.

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 January 6, 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Newark Airport that are best for you.

Compare providers for flights from Ontario to Newark

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Newark in January.

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.

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?

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

Reviews of airlines servicing Newark

Get a feel of what it's like to fly with Delta, United Airlines, and American 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.

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?

How long is the flight from Ontario to Newark Airport?

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

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

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

How can I find direct flights from Ontario to Newark?

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

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

Traveling to a place near Newark Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Newark

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Top 6 airlines flying from Ontario to Newark

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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 January 6, 2026.