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$97+ Cheap flights from Ontario (ONT) to New Jersey

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EWR
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Ontario to New Jersey

Keep the following information in mind while searching for Ontario to New Jersey flight deals. Data was last updated September 15, 2025.

Round-trip from

$164
(CheapOair)

One-way from

$97
(CheapOair)

Popular in

December

Cheapest in

January

Average price

$312
From Ontario to New Jersey
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One-way flight from Ontario to New Jersey
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Highest demand for flights based on searches. 6% potential increase in price ($24 potential increase over avg. RT price).
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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 September 2025
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Find flight deals from Ontario to New Jersey

Cheapest flights from Ontario to New Jersey
Explore the most affordable flight options available from Ontario to New Jersey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:59 pmONT - PHL
1 stop24h 58mFrontier
Sat 10/116:42 amPHL - ONT
1 stop20h 08mFrontier
Deal found 9/14$164
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:53 amONT - PHL
1 stop18h 56mFrontier
Sun 11/28:00 amPHL - ONT
1 stop10h 22mFrontier
Deal found 9/14$165
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:05 pmONT - PHL
1 stop13h 44mFrontier
Thu 11/136:19 amPHL - ONT
1 stop7h 51mFrontier
Deal found 9/15$174
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:34 amONT - PHL
1 stop14h 07mFrontier
Thu 10/306:19 amPHL - ONT
1 stop7h 51mFrontier
Deal found 9/15$175
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/248:59 pmONT - PHL
1 stop24h 58mFrontier
Thu 10/26:45 amPHL - ONT
1 stop28h 08mFrontier
Deal found 9/14$179
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:59 pmONT - PHL
1 stop24h 58mFrontier
Wed 10/88:15 amPHL - ONT
1 stop26h 34mFrontier
Deal found 9/15$185
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/94:17 pmONT - PHL
1 stop30h 24mFrontier
Sun 10/1211:30 amPHL - ONT
1 stop23h 19mFrontier
Deal found 9/14$186
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:59 pmONT - PHL
1 stop24h 58mFrontier
Sat 9/276:45 amPHL - ONT
1 stop27h 38mFrontier
Deal found 9/15$194
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:05 pmONT - PHL
1 stop9h 44mFrontier
Mon 11/106:19 amPHL - ONT
1 stop20h 31mFrontier
Deal found 9/14$198
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/112:05 pmONT - PHL
2 stops18h 08mFrontier
Fri 11/146:19 amPHL - ONT
1 stop7h 51mFrontier
Deal found 9/15$200
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:15 pmONT - PHL
1 stop18h 17mFrontier
Thu 10/26:45 amPHL - ONT
1 stop28h 08mFrontier
Deal found 9/15$202
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:59 pmONT - LGA
1 stop22h 12mFrontier
Wed 9/2410:56 pmLGA - ONT
1 stop23h 58mFrontier
Deal found 9/14$225

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to New Jersey 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 September 15, 2025.
Use the filters below to find and compare flights from Ontario to New Jersey that are best for you.

Fly from

Ontario

Fly to

New Jersey

Route

Depart

Return

Price

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Wed 11/12

6:53 am-4:49 am

1 stop18h 56m

Philadelphia

Sat 11/15

6:19 am-11:50 pm

1 stop20h 31m

$164

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Thu 10/30

6:53 am-4:49 am

1 stop18h 56m

Philadelphia

Tue 11/4

5:35 pm-11:50 pm

2 stops33h 15m

$210

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 10/14

10:56 pm-7:18 am

Nonstop5h 22m

New York John F Kennedy Intl

Tue 10/21

6:35 pm-9:29 pm

Nonstop5h 54m

$227

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sun 9/28

10:56 pm-7:18 am

Nonstop5h 22m

New York John F Kennedy Intl

Tue 10/7

6:35 pm-9:29 pm

Nonstop5h 54m

$227

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sat 10/18

10:56 pm-7:18 am

Nonstop5h 22m

New York John F Kennedy Intl

Fri 10/24

6:35 pm-9:29 pm

Nonstop5h 54m

$237

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 10/20

10:56 pm-7:18 am

Nonstop5h 22m

New York John F Kennedy Intl

Fri 10/24

6:35 pm-9:29 pm

Nonstop5h 54m

$237

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Thu 9/25

8:59 pm-10:11 pm

1 stop22h 12m

New York LaGuardia

Sun 9/28

10:56 pm-7:53 am

1 stop11h 57m

$244

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 10/28

4:11 pm-5:59 am

1 stop10h 48m

Newark

Tue 11/4

5:30 pm-11:05 am

1 stop20h 35m

$246

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 10/29

6:00 am-6:29 pm

1 stop9h 29m

Newark

Tue 11/4

7:30 am-3:17 pm

1 stop10h 47m

$246

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 9/23

8:59 pm-10:11 pm

1 stop22h 12m

New York LaGuardia

Thu 9/25

10:56 pm-7:53 am

1 stop11h 57m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to New Jersey

Have a flexible travel schedule? Discover the best time to fly to New Jersey 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 New Jersey

What is the cheapest month to book a flight from Ontario to New Jersey?

Currently, January is the cheapest month in which you can book a flight from Ontario to New Jersey (average of $228). Flying from Ontario to New Jersey in June is currently the most expensive (average of $301). 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 NJ?

Find hourly flight availability from Ontario to New Jersey. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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

Reviews of airlines servicing New Jersey

Get insights into the airlines that provide service to New Jersey. 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 New Jersey. Reviews last updated September 15, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Ontario to New Jersey by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
JetBlue
7.2
Good
2,912 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Spirit Airlines
6.3
Okay
8,015 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from Ontario to New Jersey. 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 New Jersey?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to New Jersey.

  • How long is the flight from Ontario to New Jersey?

    Frontier, JetBlue, and Alaska Airlines can get you from Ontario to New Jersey in just under 5h 22m. Your travel time can differ by up to 13h 34m. Ontario and New Jersey are separated by a distance of 2422 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Ontario to New Jersey one-way?

    $103 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and JetBlue, with prices starting from $123 and $124, respectively.

  • What are the most popular routes from Ontario to New Jersey?

    While some choose either Ontario - Newark or Ontario - New York LaGuardia, Ontario - New York John F Kennedy Intl is the most popular route from Ontario to New Jersey.

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

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

  • How can I find direct flights from Ontario to New Jersey?

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

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

    Yes. Cheapflights offers flight deals from Ontario to New Jersey 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 New Jersey?

    Currently, January is the cheapest month in which you can book a flight from Ontario to New Jersey (average of $228). Flying from Ontario to New Jersey in June is currently the most expensive (average of $301). 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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Alternative routes for Ontario to New Jersey

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ontario to New Jersey

Discover the top 5 airlines that operate flights from Ontario to New Jersey. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$90Average$223FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$237Average$317FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$262Average$406FlexibilityNo cancel feeOn-time71%
DeltaCheapest$266Average$374FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$282Average$429FlexibilityNo cancel feeOn-time69%

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