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Ontario

$63+ Cheap flights from New Jersey to Ontario (ONT)

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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ONT
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from New Jersey to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from New Jersey (USNJ) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$126
(Flightnetwork)

One-way from

$63
(Mytrip)
From New Jersey to Ontario
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One-way flight from New Jersey to Ontario
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Find flight deals from New Jersey to Ontario

Cheapest flights from New Jersey to Ontario
Explore the most affordable flight options available from New Jersey to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This Gotogate deal was found by Cheapflights users on 12/21. 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.
Mon 12/237:30 amPHL - ONT
1 stop26h 39mFrontier
Thu 1/236:45 amONT - PHL
1 stop11h 03mFrontier
Deal found 12/21$365
This Delta deal was found by Cheapflights users on 12/21. 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 12/315:38 amPHL - ONT
1 stop8h 08mDelta
Tue 1/71:00 pmONT - PHL
1 stop6h 52mDelta
Deal found 12/21$457
This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/305:45 pmJFK - ONT
1 stop9h 44mDelta
Tue 1/71:00 pmONT - JFK
1 stop8h 47mDelta
Deal found 12/21$467
This Delta deal was found by Cheapflights users on 12/20. 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.
Mon 12/306:45 amEWR - ONT
1 stop8h 35mDelta
Tue 1/71:00 pmONT - EWR
1 stop8h 46mDelta
Deal found 12/20$482
This FlightHub deal was found by Cheapflights users on 12/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3010:59 pmLGA - ONT
1 stop28h 00mFrontier
Sat 1/412:59 amONT - LGA
1 stop18h 01mFrontier
Deal found 12/22$493
This Trip.com deal was found by Cheapflights users on 12/22. 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.
Fri 12/277:59 amJFK - ONT
1 stop8h 01mFrontier
Wed 1/812:34 pmONT - JFK
1 stop14h 56mFrontier
Deal found 12/22$504
This Southwest deal was found by Cheapflights users on 12/21. 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.
Wed 12/2512:45 pmLGA - ONT
1 stop12h 25mSouthwest
Wed 1/810:55 amONT - LGA
1 stop8h 30mSouthwest
Deal found 12/21$523
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/306:30 amJFK - ONT
1 stop8h 36mAmerican Airlines
Tue 1/77:00 amONT - JFK
2 stops11h 59mAmerican Airlines
Deal found 12/21$533
This American Airlines deal was found by Cheapflights users on 12/20. 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 12/254:31 pmEWR - ONT
1 stop8h 57mAmerican Airlines
Tue 1/712:48 pmONT - EWR
1 stop7h 13mAmerican Airlines
Deal found 12/20$537
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/303:30 pmEWR - ONT
1 stop10h 30mUnited Airlines
Tue 1/76:00 amONT - EWR
1 stop9h 10mUnited Airlines
Deal found 12/21$582
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Mon 12/307:26 amLGA - ONT
1 stop8h 14mUnited Airlines
Tue 1/76:00 amONT - LGA
1 stop7h 26mUnited Airlines
Deal found 12/22$693
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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.
Wed 12/2511:30 amJFK - ONT
2 stops25h 15mAlaska Airlines
Wed 1/86:00 amONT - JFK
1 stop13h 59mAlaska Airlines
Deal found 12/21$699

Find flights from New Jersey to Ontario within your budget

Customize your flight search to find flights from New Jersey to Ontario 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 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhiladelphiaOntario

PHL - ONT

PHLONT

Philadelphia

Sat 2/15

8:00 am-7:09 pm

1 stop14h 09m

Ontario

Fri 2/21

12:59 am-6:39 pm

1 stop14h 40m

$126

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Sat 3/1

7:59 am-7:39 pm

1 stop14h 40m

Ontario

Mon 3/3

2:43 pm-6:30 am

1 stop12h 47m

$231

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 1/15

3:59 pm-10:45 pm

1 stop9h 46m

Ontario

Wed 1/29

10:00 am-9:59 pm

2 stops8h 59m

$233

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 1/8

10:00 pm-7:56 am

1 stop12h 56m

Ontario

Sun 1/12

8:56 am-9:02 pm

1 stop9h 06m

$234

NewarkOntario

EWR - ONT

EWRONT

Newark

Thu 1/30

7:59 am-7:11 am

2 stops26h 12m

Ontario

Sun 2/2

8:01 am-3:59 pm

1 stop28h 58m

$253

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 1/23

3:25 pm-10:16 pm

1 stop9h 51m

Ontario

Sun 1/26

11:59 pm-10:30 am

1 stop7h 31m

$257

NewarkOntario

EWR - ONT

EWRONT

Newark

Wed 1/15

6:20 am-11:58 am

1 stop8h 38m

Ontario

Wed 1/22

6:10 am-4:42 pm

1 stop7h 32m

$266

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 1/7

6:50 am-12:26 pm

1 stop8h 36m

Ontario

Wed 1/15

5:10 pm-6:28 am

1 stop10h 18m

$276

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Sat 1/11

6:00 am-11:50 am

1 stop8h 50m

Ontario

Tue 1/14

7:05 am-5:14 pm

1 stop7h 09m

$276

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 1/7

7:00 am-12:26 pm

1 stop8h 26m

Ontario

Wed 1/15

1:00 pm-12:29 am

1 stop8h 29m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 46 results
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Best time to book a flight from New Jersey to Ontario

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

Travel insights for flights from New Jersey to Ontario

Get recent, data-driven insights about flights from New Jersey to Ontario including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from New Jersey to Ontario (average of $246). Flying from New Jersey to Ontario in March is currently the most expensive (average of $317). 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 NJ to ONT?

Find hourly flight availability from New Jersey to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

When flying from New Jersey to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated December 22, 2024.
Read through reviews of airlines operating flights from New Jersey to Ontario, such as Frontier, Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,804 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,804 reviews
Southwest
8.1
Very good
4,804 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,537 reviews
Southwest
8.1
Very good
4,804 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,594 reviews
Southwest
8.1
Very good
4,804 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,265 reviews
Southwest
8.1
Very good
4,804 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,028 reviews
Southwest
8.1
Very good
4,804 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

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

    If you book a flight to Ontario from New Jersey, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $63. However, be on the lookout for offers from American Airlines and Alaska Airlines, as they are both options that can get you from New Jersey to Ontario for a low price.

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

    Most travelers choose New York John F Kennedy Intl - Ontario, Newark - Ontario or New York LaGuardia - Ontario when deciding on the best route from New Jersey to Ontario.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from New Jersey to Ontario (average of $246). Flying from New Jersey to Ontario in March is currently the most expensive (average of $317). 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 New Jersey to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from New Jersey to Ontario

Discover the top 4 airlines that operate flights from New Jersey to Ontario. 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 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$144Average$268FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$266Average$455FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$267Average$583FlexibilityNo cancel feeOn-time69%
DeltaCheapest$277Average$385FlexibilityNo cancel feeOn-timeN/A
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