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Cheap flights from New Jersey to Los Angeles from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Jersey to Los Angeles departing on 11/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:15 am - 4:33 pmPHL-ONT
13h 18m1 stop
Frontier Logo
6:15 am - 5:40 amONT-PHL
20h 25m1 stop
$130Frontier
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Mon, Dec 8 - Wed, Dec 17
Frontier Logo
6:00 am - 11:11 amPHL-ONT
8h 11m1 stop
Frontier Logo
12:58 am - 4:45 amONT-PHL
24h 47m1 stop
$134Frontier
Find Deal
Thu, Nov 20 - Thu, Nov 27
Multiple Airlines Logo
6:00 am - 9:17 pmPHL-ONT
18h 17m2 stops
Multiple Airlines Logo
12:30 pm - 2:21 pmONT-PHL
22h 51m1 stop
$206Multiple Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
Multiple Airlines Logo
10:30 pm - 9:17 pmEWR-ONT
25h 47m2 stops
Multiple Airlines Logo
12:30 pm - 2:53 pmONT-EWR
23h 23m1 stop
$217Multiple Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
Alaska Airlines Logo
11:30 am - 8:36 pmJFK-ONT
12h 06m1 stop
Alaska Airlines Logo
6:00 am - 7:29 pmONT-JFK
10h 29m1 stop
$248Alaska Airlines
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Sat, Jan 17 - Thu, Feb 19
Alaska Airlines Logo
7:00 am - 3:08 pmJFK-ONT
11h 08m1 stop
Alaska Airlines Logo
6:00 am - 7:29 pmONT-JFK
10h 29m1 stop
$249Alaska Airlines
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Wed, Jan 14 - Wed, Feb 18
Delta Logo
7:00 am - 5:08 pmJFK-ONT
13h 08m1 stop
Delta Logo
5:49 pm - 6:15 amONT-JFK
9h 26m1 stop
$257Delta
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Thu, Dec 4 - Sat, Dec 6
Delta Logo
6:00 am - 11:02 amLGA-ONT
8h 02m1 stop
Delta Logo
10:25 pm - 8:45 amONT-LGA
7h 20m1 stop
$257Delta
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Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
7:55 am - 2:18 pmJFK-ONT
9h 23m1 stop
American Airlines Logo
7:16 am - 10:33 pmONT-JFK
12h 17m2 stops
$259American Airlines
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Thu, Jan 22 - Sat, Jan 24
American Airlines Logo
2:30 pm - 10:13 pmJFK-ONT
10h 43m2 stops
American Airlines Logo
7:30 pm - 6:30 amONT-JFK
8h 00m1 stop
$262American Airlines
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Thu, Jan 15 - Mon, Jan 19

Frontier flights from New Jersey to Ontario

Our best Frontier deals on New Jersey to Ontario flight tickets
Frontier
Dec 8
PHL6:15 amPhiladelphia
13h 18m
1 stop
ONT4:33 pmOntario
Dec 17
ONT6:15 amOntario
20h 25m
1 stop
PHL5:40 amPhiladelphia
$130
Find similar
Frontier
Nov 20
PHL6:00 amPhiladelphia
8h 11m
1 stop
ONT11:11 amOntario
Nov 27
ONT12:58 amOntario
24h 47m
1 stop
PHL4:45 amPhiladelphia
$134
Find similar
Frontier
Nov 20
PHL6:00 amPhiladelphia
8h 11m
1 stop
ONT11:11 amOntario
Nov 25
ONT12:58 amOntario
24h 47m
1 stop
PHL4:45 amPhiladelphia
$135
Find similar

United Airlines flights from New Jersey to Ontario

Our best United Airlines deals on New Jersey to Ontario flight tickets
United Airlines
Jan 29
LGA10:15 amNew York LaGuardia
10h 28m
2 stops
ONT5:43 pmOntario
Feb 3
ONT6:00 amOntario
9h 44m
2 stops
LGA6:44 pmNew York LaGuardia
$264
Find similar
United Airlines
Jan 18
EWR12:00 pmNewark
8h 43m
1 stop
ONT5:43 pmOntario
Jan 21
ONT5:05 amOntario
7h 40m
1 stop
EWR3:45 pmNewark
$290
Find similar
United Airlines
Feb 21
EWR8:35 amNewark
12h 06m
2 stops
ONT5:41 pmOntario
Feb 26
ONT1:45 pmOntario
6h 39m
1 stop
EWR11:24 pmNewark
$309
Find similar

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from New Jersey to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaOntario

PHL - ONT

PHLONT

Philadelphia

Mon 12/8

6:15 am-4:33 pm

1 stop13h 18m

Ontario

Wed 12/17

6:15 am-5:40 am

1 stop20h 25m

$130

PhiladelphiaOntario

PHL - ONT

PHLONT

Philadelphia

Thu 11/20

6:00 am-11:11 am

1 stop8h 11m

Ontario

Thu 11/27

12:58 am-4:45 am

1 stop24h 47m

$134

PhiladelphiaOntario

PHL - ONT

PHLONT

Philadelphia

Tue 12/2

6:00 am-9:17 pm

2 stops18h 17m

Ontario

Tue 12/9

12:30 pm-2:21 pm

1 stop22h 51m

$206

NewarkOntario

EWR - ONT

EWRONT

Newark

Tue 12/2

10:30 pm-9:17 pm

2 stops25h 47m

Ontario

Tue 12/9

12:30 pm-2:53 pm

1 stop23h 23m

$217

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Sat 1/17

11:30 am-8:36 pm

1 stop12h 06m

Ontario

Thu 2/19

6:00 am-7:29 pm

1 stop10h 29m

$248

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 1/14

7:00 am-3:08 pm

1 stop11h 08m

Ontario

Wed 2/18

6:00 am-7:29 pm

1 stop10h 29m

$249

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 12/4

7:00 am-5:08 pm

1 stop13h 08m

Ontario

Sat 12/6

5:49 pm-6:15 am

1 stop9h 26m

$257

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 12/4

6:00 am-11:02 am

1 stop8h 02m

Ontario

Mon 12/8

10:25 pm-8:45 am

1 stop7h 20m

$257

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 1/22

7:55 am-2:18 pm

1 stop9h 23m

Ontario

Sat 1/24

7:16 am-10:33 pm

2 stops12h 17m

$259

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Thu 1/15

2:30 pm-10:13 pm

2 stops10h 43m

Ontario

Mon 1/19

7:30 pm-6:30 am

1 stop8h 00m

$262

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from New Jersey to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, September is the cheapest month to fly from New Jersey to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $287. If you aren’t able to travel during the month of September, then book flights to Ontario from New Jersey during July instead. Flights to Ontario in July, while not as cheap as those in September, still average around $292.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Friday when prices can be found for as low as $302. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from New Jersey to Ontario for around $387.

What is the cheapest time of day to depart on your flight to Ontario?

At noon is the cheapest time of day to fly from New Jersey to Ontario when you can find flight prices for as low as $334. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $362 on average. Flights to Ontario from New Jersey in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from New Jersey when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $359 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from New Jersey for as low as $270 on momondo.

Cheap New Jersey to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Jersey to Ontario

Fastest flight time

6h 10m

Direct flights

Mon and Fri

Airports in Ontario

1 airport
The fastest flight from New Jersey to Ontario takes 6h 10m
Direct flights go from New Jersey to Ontario on Monday and Friday. There are no airlines offering direct flights.
There is 1 airport near Ontario: Ontario (ONT)
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  • When did momondo last update prices for flights from New Jersey to Ontario Airport?

    Prices for flights from New Jersey to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from New Jersey to Ontario Airport?

  • How old do you have to be to fly from New Jersey to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New Jersey to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from New Jersey to Ontario

Compare and see reviews for airlines that fly from New Jersey to Ontario with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $116Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $267Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,003 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from New Jersey to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New Jersey to Ontario for you.

Can I find flights from New Jersey to Ontario with flexible booking policies on momondo?

Flights from New Jersey to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from New Jersey to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New Jersey to Ontario.

I’m not ready to book a flight from New Jersey to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of New Jersey to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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