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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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EWR
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$196
(Cheapflightsfares)

One-way from

$97
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$373
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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. 10% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 5/287:37 pmONT - PHL
1 stop7h 01mFrontier
Tue 6/36:15 amPHL - ONT
1 stop7h 28mFrontier
Deal found 4/29$196
This CheapOair deal was found by Cheapflights users on 4/28. 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 5/285:21 pmONT - LGA
1 stop25h 49mFrontier
Sun 6/110:55 pmLGA - ONT
1 stop27h 55mFrontier
Deal found 4/28$211
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/307:37 pmONT - JFK
1 stop6h 53mFrontier
Sat 6/76:59 amJFK - ONT
1 stop16h 52mFrontier
Deal found 4/29$211
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/187:00 amONT - EWR
1 stop19h 48mMultiple Airlines
Tue 6/246:53 amEWR - ONT
1 stop17h 58mMultiple Airlines
Deal found 4/28$266
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 9/163:04 pmONT - EWR
1 stop11h 55mAlaska Airlines
Wed 9/247:19 amEWR - ONT
1 stop9h 50mAlaska Airlines
Deal found 4/28$269
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 5/204:45 pmONT - JFK
1 stop10h 24mAlaska Airlines
Tue 6/37:29 amJFK - ONT
1 stop11h 21mAlaska Airlines
Deal found 4/28$269
This JetBlue deal was found by Cheapflights users on 4/27. 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
Fri 9/196:35 pmJFK - ONT
Nonstop6h 06mJetBlue
Deal found 4/27$272
This Delta deal was found by Cheapflights users on 4/28. 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 10/112:00 pmONT - LGA
1 stop8h 43mDelta
Tue 10/211:00 pmLGA - ONT
1 stop9h 42mDelta
Deal found 4/28$277
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:10 amONT - EWR
1 stop9h 10mUnited Airlines
Sat 9/138:05 amEWR - ONT
1 stop7h 27mUnited Airlines
Deal found 4/29$282
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/163:04 pmONT - EWR
1 stop11h 55mHawaiian Airlines
Sat 9/205:48 pmEWR - ONT
1 stop9h 05mHawaiian Airlines
Deal found 4/29$286
This American Airlines deal was found by Cheapflights users on 4/28. 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 9/1911:59 pmONT - JFK
1 stop10h 30mAmerican Airlines
Sat 9/202:52 pmJFK - ONT
2 stops9h 48mAmerican Airlines
Deal found 4/28$286
This Delta deal was found by Cheapflights users on 4/28. 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.
Sat 5/241:10 pmONT - EWR
1 stop8h 00mDelta
Wed 5/286:59 pmEWR - ONT
1 stop7h 43mDelta
Deal found 4/28$287

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 April 30, 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 5/28

7:37 pm-5:38 am

1 stop7h 01m

Philadelphia

Tue 6/3

6:15 am-10:43 am

1 stop7h 28m

$196

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 5/28

5:21 pm-10:10 pm

1 stop25h 49m

New York LaGuardia

Sun 6/1

10:55 pm-11:50 pm

1 stop27h 55m

$211

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 5/30

8:38 pm-11:58 am

1 stop12h 20m

New York John F Kennedy Intl

Tue 6/3

6:59 am-8:51 pm

1 stop16h 52m

$211

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 6/18

7:00 am-5:48 am

1 stop19h 48m

Newark

Tue 6/24

6:53 am-9:51 pm

1 stop17h 58m

$266

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 9/16

3:04 pm-5:59 am

1 stop11h 55m

Newark

Wed 9/24

7:19 am-2:09 pm

1 stop9h 50m

$269

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 5/20

4:45 pm-6:09 am

1 stop10h 24m

New York John F Kennedy Intl

Tue 6/3

7:29 am-3:50 pm

1 stop11h 21m

$269

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 10/1

12:00 pm-11:43 pm

1 stop8h 43m

New York LaGuardia

Tue 10/21

1:00 pm-7:42 pm

1 stop9h 42m

$277

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 5/20

10:59 pm-7:19 am

Nonstop5h 20m

New York John F Kennedy Intl

Wed 6/4

6:00 pm-9:11 pm

Nonstop6h 11m

$277

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Sat 8/30

5:10 am-5:20 pm

1 stop9h 10m

Newark

Sat 9/13

8:05 am-12:32 pm

1 stop7h 27m

$282

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 9/16

3:04 pm-5:59 am

1 stop11h 55m

Newark

Sat 9/20

5:48 pm-11:53 pm

1 stop9h 05m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 50 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 $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 April 30, 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 April 30, 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
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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?

    $97 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 American Airlines, with prices starting from $138 and $139, 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$138Average$242FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$236Average$381FlexibilityNo cancel feeOn-time75%
DeltaCheapest$266Average$410FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$266Average$425FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$282Average$449FlexibilityNo cancel feeOn-time69%

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