HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
New Jersey

$92+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EWR
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to New Jersey 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 28, 2025.

This Frontier deal was found by Cheapflights users on 12/26. 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.
Wed 12/316:45 amONT - LGA
1 stop12h 15mFrontier
Sat 1/105:57 pmLGA - ONT
1 stop8h 17mFrontier
Deal found 12/26$332
This Frontier deal was found by Cheapflights users on 12/26. 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.
Mon 12/296:00 pmONT - JFK
1 stop8h 30mFrontier
Mon 1/127:59 amJFK - ONT
1 stop9h 52mFrontier
Deal found 12/26$332
This Frontier deal was found by Cheapflights users on 12/26. 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.
Sun 12/286:37 pmONT - JFK
1 stop7h 53mFrontier
Wed 1/147:59 amJFK - ONT
1 stop12h 55mFrontier
Deal found 12/26$352
This Frontier deal was found by Cheapflights users on 12/26. 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.
Mon 12/296:00 pmONT - JFK
1 stop8h 30mFrontier
Sat 1/107:59 amJFK - ONT
1 stop9h 27mFrontier
Deal found 12/26$353
This CheapOair deal was found by Cheapflights users on 12/26. 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 12/316:45 amONT - LGA
1 stop12h 15mFrontier
Mon 1/510:55 pmLGA - ONT
1 stop26h 17mFrontier
Deal found 12/26$354
This CheapOair deal was found by Cheapflights users on 12/26. 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.
Tue 12/306:00 amONT - JFK
1 stop20h 30mFrontier
Wed 1/77:59 amJFK - ONT
1 stop26h 37mFrontier
Deal found 12/26$354
This Frontier deal was found by Cheapflights users on 12/26. 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.
Mon 12/296:00 pmONT - JFK
1 stop8h 30mFrontier
Sun 1/117:59 amJFK - ONT
1 stop11h 21mFrontier
Deal found 12/26$367
This Frontier deal was found by Cheapflights users on 12/26. 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 12/275:16 pmONT - JFK
1 stop9h 14mFrontier
Sat 1/107:59 amJFK - ONT
1 stop9h 27mFrontier
Deal found 12/26$373
This CheapOair deal was found by Cheapflights users on 12/26. 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 12/288:19 amONT - PHL
1 stop14h 05mFrontier
Mon 1/58:36 pmPHL - ONT
1 stop28h 36mFrontier
Deal found 12/26$374
This Kiwi.com deal was found by Cheapflights users on 12/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 pmONT - JFK
1 stop8h 30mFrontier
Fri 1/97:59 amJFK - ONT
1 stop9h 55mFrontier
Deal found 12/26$381
This Booking.com deal was found by Cheapflights users on 12/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:16 pmONT - JFK
1 stop9h 14mFrontier
Wed 1/77:59 amJFK - ONT
1 stop26h 37mFrontier
Deal found 12/26$382
This Frontier deal was found by Cheapflights users on 12/26. 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.
Mon 12/296:00 pmONT - JFK
1 stop8h 30mFrontier
Mon 1/54:29 pmJFK - ONT
1 stop10h 30mFrontier
Deal found 12/26$403

Find 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 December 28, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$152
(Kiwi.com)

One-way from

$92
(CheapOair)

Popular in

December

Cheapest in

January

Average price

$412
Provider with most accurate pricing for Los Angeles-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-New York (NYC) flights.
Search Deals
From Ontario to New Jersey
Search Deals
One-way flight from Ontario to New Jersey
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 28, 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

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 2/24

6:14 am-7:10 pm

1 stop9h 56m

New York John F Kennedy Intl

Sat 2/28

4:25 pm-11:32 pm

1 stop10h 07m

$250

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 2/25

4:02 pm-7:05 am

1 stop12h 03m

New York John F Kennedy Intl

Wed 3/4

5:00 pm-11:52 pm

1 stop9h 52m

$250

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 2/18

6:14 am-7:10 pm

1 stop9h 56m

New York John F Kennedy Intl

Sun 2/22

5:00 pm-11:52 pm

1 stop9h 52m

$252

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Mon 2/2

6:20 am-11:30 pm

2 stops14h 10m

Newark

Wed 2/4

4:15 pm-2:27 pm

1 stop25h 12m

$253

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 1/30

6:00 am-7:28 pm

1 stop10h 28m

New York John F Kennedy Intl

Wed 2/4

7:00 am-3:08 pm

1 stop11h 08m

$253

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 3/4

6:14 am-7:10 pm

1 stop9h 56m

New York John F Kennedy Intl

Mon 3/9

4:25 pm-11:32 pm

1 stop10h 07m

$253

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Thu 2/26

6:14 am-7:10 pm

1 stop9h 56m

New York John F Kennedy Intl

Sat 2/28

11:30 am-11:32 pm

1 stop15h 02m

$253

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Thu 1/29

6:00 am-7:28 pm

1 stop10h 28m

New York John F Kennedy Intl

Mon 2/23

4:25 pm-11:32 pm

1 stop10h 07m

$256

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Thu 1/29

6:00 am-7:28 pm

1 stop10h 28m

New York John F Kennedy Intl

Thu 2/19

5:00 pm-11:52 pm

1 stop9h 52m

$256

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 4/21

6:00 am-7:06 pm

1 stop10h 06m

New York John F Kennedy Intl

Tue 4/28

7:00 am-2:32 pm

1 stop10h 32m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 60 results
1
2
3
...
6

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, June is the cheapest month in which you can book a flight from Ontario to New Jersey (average of $78). Flying from Ontario to New Jersey in December is currently the most expensive (average of $181). 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 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 December 28, 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
7.9
Good
8,019 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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
7.9
Good
8,019 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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
9,113 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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
11,073 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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
2,901 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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
8,211 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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?

    Alaska Airlines, Delta, and United Airlines can get you from Ontario to New Jersey in just under 7h. Your travel time can differ by up to 2h 56m. Ontario and New Jersey are separated by a distance of 2417 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, June is the cheapest month in which you can book a flight from Ontario to New Jersey (average of $78). Flying from Ontario to New Jersey in December is currently the most expensive (average of $181). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to New Jersey

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
San Francisco to Las Vegas flights
Los Angeles to Honolulu flights
Los Angeles to Newark flights
Los Angeles to Seattle flights
San Francisco to John F Kennedy Intl flights
Los Angeles to LaGuardia flights
Los Angeles to Las Vegas flights
San Francisco to Newark flights
Los Angeles to Miami flights
Los Angeles to Orlando flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to Fort Lauderdale flights
Santa Ana to Las Vegas flights
Burbank to Las Vegas flights
San Francisco to Honolulu flights
San Francisco to Dallas/Fort Worth flights
San Francisco to Los Angeles flights
Los Angeles to San Francisco flights
Los Angeles to O'Hare Intl flights
Los Angeles to Denver flights
San Francisco to LaGuardia flights
San Jose to Las Vegas flights
San Francisco to Miami flights
San Francisco to Ontario flights
San Francisco to O'Hare Intl flights
Los Angeles to Kahului flights
Los Angeles to Hobby flights
Los Angeles to Salt Lake City flights
Ontario to San Francisco flights
San Francisco to Seattle flights
San Francisco to Kahului flights
Los Angeles to Sky Harbor Intl flights
Ontario to Las Vegas flights
San Francisco to Orlando flights
Sacramento to Las Vegas flights
Los Angeles to Reagan-National flights
San Diego to John F Kennedy Intl flights
San Diego to Honolulu flights
San Francisco to Santa Ana flights
Ontario to Seattle flights
Los Angeles to Atlanta flights
Santa Ana to Dallas/Fort Worth flights
Burbank to LaGuardia flights
Ontario to John F Kennedy Intl flights
Los Angeles to Boston flights
Los Angeles to New Orleans flights
Ontario to Dallas/Fort Worth flights
San Francisco to Sky Harbor Intl flights
Los Angeles to George Bush Intcntl flights

Top 6 airlines flying from Ontario to New Jersey

Discover the top 6 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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$97FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$67Average$205FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$237Average$317FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$262Average$428FlexibilityNo cancel feeOn-time71%
DeltaCheapest$281Average$376FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$282Average$415FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.