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Cheap flights from New Jersey to Los Angeles from $84

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 3/2. 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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Find the cheapest flights from New Jersey to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 2:30 pm
PHL
-
ONT
11h 30m
1 stop
Frontier Logo
6:05 am - 4:37 pm
ONT
-
PHL
7h 32m
1 stop
$184Frontier
Mon, Feb 23 - Thu, Feb 26
Frontier Logo
6:00 am - 2:30 pm
PHL
-
ONT
11h 30m
1 stop
Frontier Logo
6:20 am - 5:31 am
ONT
-
PHL
20h 11m
1 stop
$190Frontier
Mon, Mar 2 - Wed, Apr 1
Multiple Airlines Logo
7:30 am - 1:40 pm
JFK
-
ONT
9h 10m
1 stop
Multiple Airlines Logo
11:25 pm - 7:50 am
ONT
-
JFK
5h 25mnonstop
$239Multiple Airlines
Tue, May 12 - Mon, Jun 8
Multiple Airlines Logo
7:30 am - 1:40 pm
JFK
-
ONT
9h 10m
1 stop
Multiple Airlines Logo
11:25 pm - 7:50 am
ONT
-
JFK
5h 25mnonstop
$244Multiple Airlines
Wed, May 6 - Sat, May 16
Southwest Logo
4:30 pm - 9:45 pm
LGA
-
ONT
8h 15m
1 stop
Southwest Logo
5:15 am - 4:25 pm
ONT
-
LGA
8h 10m
1 stop
$251Southwest
Tue, Mar 3 - Wed, Mar 4
American Airlines Logo
4:30 pm - 10:49 pm
JFK
-
ONT
9h 19m
1 stop
American Airlines Logo
11:58 pm - 11:31 am
ONT
-
JFK
8h 33m
1 stop
$251American Airlines
Tue, Mar 3 - Wed, Mar 4
American Airlines Logo
1:25 pm - 6:42 pm
LGA
-
ONT
8h 17m
1 stop
American Airlines Logo
10:56 am - 8:59 pm
ONT
-
LGA
7h 03m
1 stop
$254American Airlines
Mon, Feb 23 - Tue, Mar 3
United Airlines Logo
7:15 am - 5:41 pm
LGA
-
ONT
13h 26m
2 stops
United Airlines Logo
1:45 pm - 11:30 pm
ONT
-
LGA
6h 45m
1 stop
$256United Airlines
Tue, Mar 3 - Wed, Mar 4
Southwest Logo
4:30 pm - 9:45 pm
LGA
-
ONT
8h 15m
1 stop
Southwest Logo
1:10 pm - 11:25 pm
ONT
-
LGA
7h 15m
1 stop
$257Southwest
Tue, Mar 3 - Fri, Mar 6
United Airlines Logo
3:36 pm - 10:00 pm
LGA
-
ONT
9h 24m
1 stop
United Airlines Logo
11:59 pm - 2:18 pm
ONT
-
LGA
11h 19m
2 stops
$259United Airlines
Tue, Mar 3 - Fri, Mar 6

Frontier flights from New Jersey to Ontario

Our best Frontier deals on New Jersey to Ontario flight tickets
Frontier
Feb 23
PHL6:00 amPhiladelphia
11h 30m
1 stop
ONT2:30 pmOntario
Feb 26
ONT6:05 amOntario
7h 32m
1 stop
PHL4:37 pmPhiladelphia
$184
Frontier
Mar 2
PHL6:00 amPhiladelphia
11h 30m
1 stop
ONT2:30 pmOntario
Apr 1
ONT6:20 amOntario
20h 11m
1 stop
PHL5:31 amPhiladelphia
$190
Frontier
Feb 23
PHL6:00 amPhiladelphia
11h 30m
1 stop
ONT2:30 pmOntario
Feb 26
ONT6:05 amOntario
7h 32m
1 stop
PHL4:37 pmPhiladelphia
$198

United Airlines flights from New Jersey to Ontario

Our best United Airlines deals on New Jersey to Ontario flight tickets
United Airlines
Mar 3
LGA7:15 amNew York LaGuardia
13h 26m
2 stops
ONT5:41 pmOntario
Mar 4
ONT1:45 pmOntario
6h 45m
1 stop
LGA11:30 pmNew York LaGuardia
$256
United Airlines
Mar 3
LGA3:36 pmNew York LaGuardia
9h 24m
1 stop
ONT10:00 pmOntario
Mar 6
ONT11:59 pmOntario
11h 19m
2 stops
LGA2:18 pmNew York LaGuardia
$259
United Airlines
Feb 28
PHL8:02 amPhiladelphia
12h 39m
2 stops
ONT5:41 pmOntario
Mar 4
ONT1:45 pmOntario
6h 45m
1 stop
PHL11:30 pmPhiladelphia
$262

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 February 7, 2026.
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 2/23

6:00 am-2:30 pm

1 stop11h 30m

Ontario

Thu 2/26

6:05 am-4:37 pm

1 stop7h 32m

$184

PhiladelphiaOntario

PHL - ONT

PHLONT

Philadelphia

Mon 3/2

6:00 am-2:30 pm

1 stop11h 30m

Ontario

Wed 4/1

6:20 am-5:31 am

1 stop20h 11m

$190

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 5/12

7:30 am-1:40 pm

1 stop9h 10m

Ontario

Mon 6/8

11:25 pm-7:50 am

Nonstop5h 25m

$239

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 5/6

7:30 am-1:40 pm

1 stop9h 10m

Ontario

Sat 5/16

11:25 pm-7:50 am

Nonstop5h 25m

$244

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 3/3

4:30 pm-9:45 pm

1 stop8h 15m

Ontario

Wed 3/4

5:15 am-4:25 pm

1 stop8h 10m

$251

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 3/3

4:30 pm-10:49 pm

1 stop9h 19m

Ontario

Wed 3/4

11:58 pm-11:31 am

1 stop8h 33m

$251

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Mon 2/23

1:25 pm-6:42 pm

1 stop8h 17m

Ontario

Tue 3/3

10:56 am-8:59 pm

1 stop7h 03m

$254

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 3/3

7:15 am-5:41 pm

2 stops13h 26m

Ontario

Wed 3/4

1:45 pm-11:30 pm

1 stop6h 45m

$256

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 3/3

4:30 pm-9:45 pm

1 stop8h 15m

Ontario

Fri 3/6

1:10 pm-11:25 pm

1 stop7h 15m

$257

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 3/3

3:36 pm-10:00 pm

1 stop9h 24m

Ontario

Fri 3/6

11:59 pm-2:18 pm

2 stops11h 19m

$259

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 October instead. Flights to Ontario in October, while not as cheap as those in September, still average around $287.

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 $306. 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?

In the evening is the cheapest time of day to fly from New Jersey to Ontario when you can find flight prices for as low as $335. Flying to Ontario in the evening 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 afternoon when prices are $336 on average. Flights to Ontario from New Jersey in the afternoon 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 $354 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 $275 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

Every day

Airports in Ontario

1 airport
The fastest flight from New Jersey to Ontario takes 6h 10m
Direct flights go from New Jersey to Ontario every day.
There is 1 airport in Ontario. From New Jersey there are direct flights to Ontario (ONT).
Search flight deals

  • 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
8,430 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,172 reviews
Search Delta flights
United AirlinesPriceFrom $282Free CancellationRating
7.4
9,254 reviews
Search United Airlines 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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