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$94+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EWR
May 17 — May 241
Sat 5/17
Sat 5/24
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 May 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$200
(Frontier)

One-way from

$94
(Cheapflightsfares)

Popular in

December

Cheapest in

January

Average price

$347
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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. 2% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 12, 2025.

This Frontier deal was found by Cheapflights users on 5/11. 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 5/245:15 pmONT - PHL
1 stop9h 23mFrontier
Sat 5/317:10 amPHL - ONT
1 stop12h 10mFrontier
Deal found 5/11$200
This Flightnetwork deal was found by Cheapflights users on 5/12. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/27:36 pmONT - JFK
1 stop6h 54mFrontier
Tue 6/106:59 amJFK - ONT
1 stop16h 52mFrontier
Deal found 5/12$215
This Mytrip deal was found by Cheapflights users on 5/11. 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 5/295:21 pmONT - LGA
1 stop25h 49mFrontier
Wed 6/410:55 pmLGA - ONT
1 stop27h 55mFrontier
Deal found 5/11$216
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Fri 5/306:01 amONT - JFK
2 stops10h 59mAmerican Airlines
Tue 6/102:55 pmJFK - ONT
2 stops9h 43mAmerican Airlines
Deal found 5/12$234
This JetBlue deal was found by Cheapflights users on 5/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:00 pmONT - JFK
Nonstop5h 23mJetBlue
Tue 9/236:35 pmJFK - ONT
Nonstop6h 06mJetBlue
Deal found 5/12$257
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 6/1710:05 pmONT - LGA
1 stop7h 09mDelta
Wed 6/256:00 amLGA - ONT
1 stop7h 57mDelta
Deal found 5/11$277
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Wed 6/256:32 pmONT - EWR
1 stop8h 07mUnited Airlines
Tue 7/16:05 amEWR - ONT
1 stop9h 27mUnited Airlines
Deal found 5/11$277
This Delta deal was found by Cheapflights users on 5/12. 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.
Tue 6/245:08 pmONT - EWR
1 stop10h 05mDelta
Tue 7/82:30 pmEWR - ONT
2 stops12h 12mDelta
Deal found 5/12$282
This Hawaiian Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 9/93:04 pmONT - EWR
1 stop11h 55mHawaiian Airlines
Tue 9/167:19 amEWR - ONT
1 stop9h 50mHawaiian Airlines
Deal found 5/11$286
This Southwest deal was found by Cheapflights users on 5/12. 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.
Sat 8/2310:40 amONT - LGA
1 stop7h 05mSouthwest
Wed 8/277:15 amLGA - ONT
1 stop10h 25mSouthwest
Deal found 5/12$292
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 6/34:45 pmONT - EWR
1 stop10h 14mAlaska Airlines
Sat 6/75:34 pmEWR - ONT
1 stop9h 23mAlaska Airlines
Deal found 5/11$296
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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.
Tue 9/167:22 pmONT - JFK
1 stop8h 44mAlaska Airlines
Sat 9/205:29 pmJFK - ONT
1 stop9h 24mAlaska Airlines
Deal found 5/12$296

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 May 12, 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

Sat 5/24

5:15 pm-5:38 am

1 stop9h 23m

Philadelphia

Sat 5/31

7:10 am-4:20 pm

1 stop12h 10m

$200

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 6/2

7:36 pm-5:30 am

1 stop6h 54m

New York John F Kennedy Intl

Tue 6/10

6:59 am-8:51 pm

1 stop16h 52m

$215

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Thu 5/29

5:21 pm-10:10 pm

1 stop25h 49m

New York LaGuardia

Wed 6/4

10:55 pm-11:50 pm

1 stop27h 55m

$216

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 5/30

10:00 am-9:55 pm

2 stops8h 55m

New York John F Kennedy Intl

Tue 6/10

2:55 pm-9:38 pm

2 stops9h 43m

$224

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 9/16

11:00 pm-7:23 am

Nonstop5h 23m

New York John F Kennedy Intl

Tue 9/23

6:35 pm-9:41 pm

Nonstop6h 06m

$257

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 6/17

10:05 pm-8:14 am

1 stop7h 09m

New York LaGuardia

Wed 6/25

6:00 am-10:57 am

1 stop7h 57m

$277

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 6/25

6:32 pm-5:39 am

1 stop8h 07m

Newark

Tue 7/1

6:05 am-12:32 pm

1 stop9h 27m

$277

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 6/24

5:08 pm-6:13 am

1 stop10h 05m

Newark

Tue 7/8

2:30 pm-11:42 pm

2 stops12h 12m

$282

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 9/9

3:04 pm-5:59 am

1 stop11h 55m

Newark

Tue 9/16

7:19 am-2:09 pm

1 stop9h 50m

$286

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 6/3

4:45 pm-5:59 am

1 stop10h 14m

Newark

Sat 6/7

5:34 pm-11:57 pm

1 stop9h 23m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 47 results
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5

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 $307). 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 May 12, 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.

Rainfall in New Jersey by month

Plan your trip to New Jersey by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in New Jersey 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 New Jersey when rainfall is around 2.9 in.

Temperature in New Jersey by month

Plan your trip to New Jersey by taking into account the average temperature totals by month.

If weather is an important factor for your trip to New Jersey, 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).

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 May 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Ontario to New Jersey. In addition to providing an overall rating, 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

Boarding

8.1

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

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

Boarding

8.1

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

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
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,432 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

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
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

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?

    $94 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 United Airlines, with prices starting from $124 and $134, 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 $307). 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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$138Average$242FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$236Average$376FlexibilityNo cancel feeOn-time75%
DeltaCheapest$266Average$403FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$266Average$423FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$282Average$442FlexibilityNo cancel feeOn-time69%

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