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Cheap flights from White Plains to Los Angeles from $179

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from White Plains to Los Angeles departing on 8/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from White Plains to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 11:10 am
HPN
-
ONT
8h 10m
1 stop
Delta Logo
11:10 pm - 9:49 am
ONT
-
HPN
7h 39m
1 stop
$337Delta
Wed, Nov 11 - Sun, Nov 15
Delta Logo
6:00 am - 10:42 am
HPN
-
ONT
7h 42m
1 stop
Delta Logo
10:00 pm - 9:49 am
ONT
-
HPN
8h 49m
1 stop
$337Delta
Thu, Aug 20 - Sun, Aug 30
Delta Logo
6:00 am - 11:10 am
HPN
-
ONT
8h 10m
1 stop
Delta Logo
11:10 pm - 9:49 am
ONT
-
HPN
7h 39m
1 stop
$337Delta
Tue, Nov 10 - Sun, Nov 15
Delta Logo
12:50 pm - 7:30 pm
HPN
-
ONT
9h 40m
1 stop
Delta Logo
11:10 pm - 9:49 am
ONT
-
HPN
7h 39m
1 stop
$337Delta
Sat, Nov 7 - Sun, Nov 15
Delta Logo
12:50 pm - 7:30 pm
HPN
-
ONT
9h 40m
1 stop
Delta Logo
11:10 pm - 12:03 pm
ONT
-
HPN
9h 53m
1 stop
$337Delta
Sat, Nov 7 - Fri, Nov 13
Delta Logo
6:00 am - 11:10 am
HPN
-
ONT
8h 10m
1 stop
Delta Logo
11:10 pm - 12:03 pm
ONT
-
HPN
9h 53m
1 stop
$337Delta
Tue, Nov 10 - Fri, Nov 13
Delta Logo
6:00 am - 10:42 am
HPN
-
ONT
7h 42m
1 stop
Delta Logo
7:05 am - 6:07 pm
ONT
-
HPN
8h 02m
1 stop
$337Delta
Thu, Aug 20 - Tue, Sep 1
Delta Logo
6:00 am - 11:10 am
HPN
-
ONT
8h 10m
1 stop
Delta Logo
11:10 pm - 12:03 pm
ONT
-
HPN
9h 53m
1 stop
$337Delta
Wed, Nov 11 - Fri, Nov 13
American Airlines Logo
6:00 am - 1:31 pm
HPN
-
ONT
10h 31m
2 stops
American Airlines Logo
7:55 pm - 11:29 am
ONT
-
HPN
12h 34m
2 stops
$347American Airlines
Wed, Aug 12 - Sun, Aug 16
American Airlines Logo
1:38 pm - 11:43 pm
HPN
-
ONT
13h 05m
2 stops
American Airlines Logo
7:49 pm - 9:29 am
ONT
-
HPN
10h 40m
2 stops
$428American Airlines
Mon, Nov 2 - Thu, Nov 5

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Delta flights from White Plains to Ontario

Our best Delta deals on White Plains to Ontario flight tickets
Delta
Nov 7
HPN6:00 amWhite Plains Westchester County
8h 06m
1 stop
ONT11:06 amOntario
Nov 9
ONT11:10 pmOntario
9h 53m
1 stop
HPN12:03 pmWhite Plains Westchester County
$337
Delta
Aug 20
HPN6:00 amWhite Plains Westchester County
7h 42m
1 stop
ONT10:42 amOntario
Sep 1
ONT5:05 pmOntario
13h 44m
2 stops
HPN9:49 amWhite Plains Westchester County
$342
Delta
Aug 21
HPN6:00 amWhite Plains Westchester County
7h 42m
1 stop
ONT10:42 amOntario
Aug 30
ONT10:00 pmOntario
8h 49m
1 stop
HPN9:49 amWhite Plains Westchester County
$362

American Airlines flights from White Plains to Ontario

Our best American Airlines deals on White Plains to Ontario flight tickets
American Airlines
Aug 12
HPN6:00 amWhite Plains Westchester County
10h 31m
2 stops
ONT1:31 pmOntario
Aug 16
ONT7:55 pmOntario
12h 34m
2 stops
HPN11:29 amWhite Plains Westchester County
$347
American Airlines
Aug 15
HPN6:00 amWhite Plains Westchester County
10h 53m
2 stops
ONT1:53 pmOntario
Aug 24
ONT6:00 amOntario
11h 29m
2 stops
HPN8:29 pmWhite Plains Westchester County
$428
American Airlines
Oct 31
HPN6:03 amWhite Plains Westchester County
15h 41m
2 stops
ONT6:44 pmOntario
Nov 4
ONT10:30 pmOntario
7h 59m
1 stop
HPN9:29 amWhite Plains Westchester County
$452

momondo Fare Finder

 
Customize your flight search to find flights from White Plains 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 August 2, 2026.
Use the filters below to find and compare flights from White Plains to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Wed 11/11

6:00 am-11:10 am

1 stop8h 10m

Ontario

Sun 11/15

11:10 pm-9:49 am

1 stop7h 39m

$337

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Thu 8/20

6:00 am-10:42 am

1 stop7h 42m

Ontario

Sun 8/30

10:00 pm-9:49 am

1 stop8h 49m

$337

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 11/10

6:00 am-11:10 am

1 stop8h 10m

Ontario

Sun 11/15

11:10 pm-9:49 am

1 stop7h 39m

$337

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Sat 11/7

12:50 pm-7:30 pm

1 stop9h 40m

Ontario

Sun 11/15

11:10 pm-9:49 am

1 stop7h 39m

$337

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Sat 11/7

12:50 pm-7:30 pm

1 stop9h 40m

Ontario

Fri 11/13

11:10 pm-12:03 pm

1 stop9h 53m

$337

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 11/10

6:00 am-11:10 am

1 stop8h 10m

Ontario

Fri 11/13

11:10 pm-12:03 pm

1 stop9h 53m

$337
Quickest round-trip

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Thu 8/20

6:00 am-10:42 am

1 stop7h 42m

Ontario

Tue 9/1

7:05 am-6:07 pm

1 stop8h 02m

$337

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Wed 11/11

6:00 am-11:10 am

1 stop8h 10m

Ontario

Fri 11/13

11:10 pm-12:03 pm

1 stop9h 53m

$337

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Wed 8/12

6:00 am-1:31 pm

2 stops10h 31m

Ontario

Sun 8/16

7:55 pm-11:29 am

2 stops12h 34m

$347

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Mon 11/2

1:38 pm-11:43 pm

2 stops13h 05m

Ontario

Thu 11/5

7:49 pm-9:29 am

2 stops10h 40m

$428

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from White Plains 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 day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $329. 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 White Plains to Ontario for around $652.

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

In the afternoon is the cheapest time of day to fly from White Plains to Ontario when you can find flight prices for as low as $338. Flying to Ontario in the afternoon 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 evening when prices are $359 on average. Flights to Ontario from White Plains in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from White Plains to Ontario

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

Cheap White Plains to Ontario (HPN to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from White Plains to Ontario

Fastest flight time

8h 05m

Direct flights

None
The fastest flight from White Plains to Ontario takes 8h 05m
There are no direct flights from White Plains to Ontario. There are no popular flight routes from White Plains to Ontario.
Search flight deals

Frequently asked questions about flying from White Plains to Ontario

  • How far is White Plains Westchester County to Ontario by plane?

    The straight-line distance from White Plains Westchester County to Ontario is 2424.0 mi. In terms of flight time, this usually takes a little over 8h 05m.

  • When did momondo last update prices for flights from White Plains Westchester County Airport to Ontario Airport?

    Prices for flights from White Plains Westchester County Airport to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from White Plains Westchester County Airport to Ontario Airport?

  • How old do you have to be to fly from White Plains Westchester County Airport to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from White Plains Westchester County 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 White Plains to Ontario?

Best airlines flying from White Plains to Ontario

Compare and see reviews for airlines that fly from White Plains to Ontario with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $263Free CancellationRating
7.8
8,497 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from White Plains 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 White Plains.

Can I find flights from White Plains to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for White Plains to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from White Plains to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from White Plains.

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

Of course. momondo tracks the price of White Plains 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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