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$104+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EWR
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$243
(Cheapflightsfares)

One-way from

$104
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$358
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. 5% potential increase in price ($21 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 July 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 July 31, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:22 pmONT - JFK
1 stop7h 08mFrontier
Sat 8/161:00 pmJFK - ONT
1 stop9h 14mFrontier
Deal found 7/29$245
This Rumbo deal was found by Cheapflights users on 7/31. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:56 pmONT - JFK
Nonstop5h 22mJetBlue
Tue 9/306:35 pmJFK - ONT
Nonstop5h 54mJetBlue
Deal found 7/31$249
This Gotogate deal was found by Cheapflights users on 7/30. 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.
Fri 8/2912:59 amONT - LGA
1 stop18h 06mFrontier
Sat 9/610:56 pmLGA - ONT
1 stop11h 27mFrontier
Deal found 7/30$255
This Frontier deal was found by Cheapflights users on 7/30. 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.
Tue 8/55:21 pmONT - PHL
1 stop8h 48mFrontier
Sat 8/97:19 amPHL - ONT
1 stop12h 01mFrontier
Deal found 7/30$258
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 10/316:00 amONT - EWR
1 stop9h 29mAlaska Airlines
Tue 11/47:30 amEWR - ONT
1 stop10h 47mAlaska Airlines
Deal found 7/31$259
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:11 pmONT - EWR
1 stop10h 48mHawaiian Airlines
Tue 11/47:30 amEWR - ONT
1 stop10h 47mHawaiian Airlines
Deal found 7/31$260
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 8/2311:59 pmONT - EWR
1 stop8h 48mAmerican Airlines
Sat 8/3010:53 amEWR - ONT
1 stop8h 31mAmerican Airlines
Deal found 7/30$265
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 10/2912:47 pmONT - LGA
1 stop7h 48mAmerican Airlines
Tue 11/46:59 amLGA - ONT
1 stop10h 03mAmerican Airlines
Deal found 7/31$267
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 9/2210:35 pmONT - JFK
1 stop9h 03mAmerican Airlines
Tue 9/3011:59 amJFK - ONT
2 stops9h 55mAmerican Airlines
Deal found 7/29$272
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/510:35 amONT - LGA
1 stop9h 15mSouthwest
Mon 9/85:35 pmLGA - ONT
1 stop8h 20mSouthwest
Deal found 7/31$276
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 9/2411:55 amONT - EWR
1 stop8h 06mDelta
Mon 9/297:20 amEWR - ONT
1 stop7h 57mDelta
Deal found 7/31$277
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 9/1011:45 amONT - JFK
1 stop10h 21mDelta
Mon 9/151:30 pmJFK - ONT
1 stop8h 45mDelta
Deal found 7/31$277

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 July 31, 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

Wed 8/13

7:22 pm-5:30 am

1 stop7h 08m

New York John F Kennedy Intl

Sat 8/16

1:00 pm-7:14 pm

1 stop9h 14m

$245

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 9/24

10:56 pm-7:18 am

Nonstop5h 22m

New York John F Kennedy Intl

Tue 9/30

6:35 pm-9:29 pm

Nonstop5h 54m

$249

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Fri 8/29

12:59 am-10:05 pm

1 stop18h 06m

New York LaGuardia

Sat 9/6

10:56 pm-7:23 am

1 stop11h 27m

$255

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Mon 8/11

12:59 am-5:09 am

1 stop25h 10m

Philadelphia

Sat 10/4

6:45 am-7:54 pm

1 stop16h 09m

$258

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Mon 9/22

3:06 pm-5:59 am

1 stop11h 53m

Newark

Tue 9/23

7:19 am-2:12 pm

1 stop9h 53m

$261

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Sat 8/23

11:59 pm-11:47 am

1 stop8h 48m

Newark

Sat 8/30

10:53 am-4:24 pm

1 stop8h 31m

$265

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 10/29

6:10 am-5:53 pm

1 stop8h 43m

New York LaGuardia

Tue 11/4

6:59 am-2:02 pm

1 stop10h 03m

$267

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 9/22

10:35 pm-10:38 am

1 stop9h 03m

New York John F Kennedy Intl

Tue 9/30

11:59 am-6:54 pm

2 stops9h 55m

$272

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Fri 9/5

10:35 am-10:50 pm

1 stop9h 15m

New York LaGuardia

Mon 9/8

3:40 pm-10:30 pm

1 stop9h 50m

$276

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 9/24

11:55 am-11:01 pm

1 stop8h 06m

Newark

Mon 9/29

7:20 am-12:17 pm

1 stop7h 57m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 43 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 $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 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 July 31, 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 July 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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 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.

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

    $117 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Hawaiian Airlines and American Airlines, with prices starting from $126 and $133, 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 $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

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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 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$87FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$138Average$196FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$237Average$337FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$264Average$396FlexibilityNo cancel feeOn-time71%
DeltaCheapest$266Average$367FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$282Average$433FlexibilityNo cancel feeOn-time69%

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