Cheap flights from Newark Airport to Los Angeles from $111

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Newark Airport to Los Angeles departing on 8/18. 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

 Logo
7:20 am - 9:52 pmEWR-ONT
17h 32m1 stop
 Logo
5:13 pm - 5:50 amONT-EWR
9h 37m1 stop
Sat, Aug 9 - Sat, Aug 16
American Airlines Logo
5:29 am - 10:01 amEWR-ONT
7h 32m1 stop
American Airlines Logo
7:05 pm - 5:35 amONT-EWR
7h 30m1 stop
$267American Airlines
Find Deal
Thu, Jul 31 - Mon, Aug 4
Alaska Airlines Logo
5:48 pm - 11:53 pmEWR-ONT
9h 05m1 stop
Alaska Airlines Logo
3:06 pm - 6:01 amONT-EWR
11h 55m1 stop
$269Alaska Airlines
Find Deal
Sun, Aug 31 - Sat, Sep 6
Hawaiian Airlines Logo
5:48 pm - 11:53 pmEWR-ONT
9h 05m1 stop
Hawaiian Airlines Logo
7:10 am - 6:59 pmONT-EWR
8h 49m1 stop
$274Hawaiian Airlines
Find Deal
Sun, Aug 31 - Sat, Sep 6
Delta Logo
6:00 am - 10:35 amEWR-ONT
7h 35m1 stop
Delta Logo
7:05 am - 6:00 pmONT-EWR
7h 55m1 stop
$277Delta
Find Deal
Thu, Aug 28 - Wed, Sep 3
Delta Logo
3:29 pm - 10:27 pmEWR-ONT
9h 58m1 stop
Delta Logo
10:05 pm - 9:54 amONT-EWR
8h 49m1 stop
$281Delta
Find Deal
Wed, Aug 6 - Fri, Aug 8
Alaska Airlines Logo
5:45 pm - 11:51 pmEWR-ONT
9h 06m1 stop
Alaska Airlines Logo
7:10 am - 6:54 pmONT-EWR
8h 44m1 stop
$282Alaska Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
Hawaiian Airlines Logo
7:19 am - 2:12 pmEWR-ONT
9h 53m1 stop
Hawaiian Airlines Logo
7:10 am - 6:59 pmONT-EWR
8h 49m1 stop
$286Hawaiian Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
United Airlines Logo
7:00 am - 12:13 pmEWR-ONT
8h 13m1 stop
United Airlines Logo
8:16 pm - 8:01 amONT-EWR
8h 45m1 stop
$309United Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
United Airlines Logo
4:58 pm - 10:06 pmEWR-ONT
8h 08m1 stop
United Airlines Logo
6:00 am - 5:01 pmONT-EWR
8h 01m1 stop
$338United Airlines
Find Deal
Sat, Jul 26 - Wed, Jul 30

United Airlines flights from Newark Airport to Ontario

Our best United Airlines deals on Newark Airport to Ontario flight tickets
United Airlines
Oct 9
EWR7:00 amNewark
8h 13m
1 stop
ONT12:13 pmOntario
Oct 12
ONT8:16 pmOntario
8h 45m
1 stop
EWR8:01 amNewark
United Airlines
Jul 26
EWR4:58 pmNewark
8h 08m
1 stop
ONT10:06 pmOntario
Jul 30
ONT6:00 amOntario
8h 01m
1 stop
EWR5:01 pmNewark
United Airlines
Aug 18
EWR4:00 pmNewark
9h 52m
1 stop
ONT10:52 pmOntario
Aug 25
ONT6:04 amOntario
10h 26m
1 stop
EWR7:30 pmNewark

Delta flights from Newark Airport to Ontario

Our best Delta deals on Newark Airport to Ontario flight tickets
Delta
Aug 28
EWR6:00 amNewark
7h 35m
1 stop
ONT10:35 amOntario
Sep 3
ONT7:05 amOntario
7h 55m
1 stop
EWR6:00 pmNewark
Delta
Aug 6
EWR3:29 pmNewark
9h 58m
1 stop
ONT10:27 pmOntario
Aug 8
ONT10:05 pmOntario
8h 49m
1 stop
EWR9:54 amNewark
Delta
Oct 4
EWR4:59 pmNewark
8h 44m
1 stop
ONT10:43 pmOntario
Oct 6
ONT10:59 pmOntario
7h 37m
1 stop
EWR9:36 amNewark

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Newark Airport 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 Newark Airport to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $347. If you aren’t able to travel during the month of September, then book flights to Ontario from Newark Airport during March instead. Flights to Ontario in March, while not as cheap as those in September, still average around $365.

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 Saturday when prices can be found for as low as $326. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Newark Airport to Ontario for around $377.

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 Newark Airport 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 Newark Airport 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 Newark Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $431 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Newark Airport for as low as $332 on momondo.

How have Newark Airport to Ontario flight prices changed over time?

As of July 2025, prices for Newark Airport to Ontario flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Newark Airport to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Newark Airport to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Newark Airport to Ontario (EWR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Newark Airport to Ontario

Best Price Found

$111

Fastest flight time

7h 17m

Direct flights

Mon and Fri

Airports in Ontario

1 airport
The best one-way flight to Ontario from Newark Airport in the past 72 hours is $111. The best round-trip flight deal from Newark Airport to Ontario found on momondo in the last 72 hours is $260.
The fastest flight from Newark Airport to Ontario takes 7h 17m
Direct flights go from Newark Airport to Ontario on Monday and Friday. The only airline offering direct flights is United Airlines.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is Newark to Ontario by plane?

    The distance between Newark and Ontario is about 2403.8 mi. A reasonable flight in good conditions will take 7h 17m.

  • When did momondo last update prices for flights from Newark Airport to Ontario Airport?

    Prices for flights from Newark Airport to Ontario Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Newark Airport 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.

  • What is the most popular airline from Newark Airport to Ontario?


Best airlines flying from Newark Airport to Ontario

Compare and see reviews for airlines that fly from Newark Airport to Ontario with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $143Free CancellationRating
6.3
8,055 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $278Free CancellationRating
8.0
7,950 reviews
Search Delta flights
United AirlinesPriceFrom $280Free CancellationRating
7.4
8,849 reviews
Search United Airlines flights
  • United Airlines Flights From Newark Airport to Ontario

    United Airlines operates around 6 flights from Newark Airport to Ontario every week. The average price of these flights found in the last 72 hours has been $470, but momondo users have found United Airlines deals from Newark Airport to Ontario from as low as $280 round-trip. United Airlines has been scored 7.4/10 in 8,848 reviews.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from New York.

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

Yes. momondo enables you to select and highlight flights to Ontario from New York with this policy.

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

Once you have performed a search for New York to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Ontario from New York. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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1 adult
Thu 7/17
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