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Cheap flights from White Plains to Los Angeles from $159

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 9/1. 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 - 11:04 am
HPN
-
ONT
8h 04m
1 stop
Delta Logo
11:59 am - 10:21 pm
ONT
-
HPN
7h 22m
1 stop
$327Delta
Sun, Sep 13 - Fri, Sep 18
Delta Logo
4:29 pm - 9:52 pm
HPN
-
ONT
8h 23m
1 stop
Delta Logo
10:00 pm - 9:49 am
ONT
-
HPN
8h 49m
1 stop
$343Delta
Mon, Aug 17 - Sun, Aug 30
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
$372Delta
Sun, Aug 30 - Wed, Sep 2
Delta Logo
12:48 pm - 6:29 pm
HPN
-
ONT
8h 41m
1 stop
Delta Logo
10:00 pm - 9:49 am
ONT
-
HPN
8h 49m
1 stop
$377Delta
Sat, Aug 15 - Sun, Aug 23
Delta Logo
4:29 pm - 9:52 pm
HPN
-
ONT
8h 23m
1 stop
Delta Logo
10:00 pm - 9:49 am
ONT
-
HPN
8h 49m
1 stop
$388Delta
Fri, Aug 21 - Sun, Aug 30
Delta Logo
12:59 pm - 6:18 pm
HPN
-
ONT
8h 19m
1 stop
Delta Logo
7:00 am - 6:07 pm
ONT
-
HPN
8h 07m
1 stop
$392Delta
Thu, Nov 19 - Thu, Nov 26
Delta Logo
4:29 pm - 9:52 pm
HPN
-
ONT
8h 23m
1 stop
Delta Logo
10:00 pm - 9:49 am
ONT
-
HPN
8h 49m
1 stop
$398Delta
Mon, Aug 17 - Sun, Aug 23
Delta Logo
5:10 pm - 11:48 pm
HPN
-
ONT
9h 38m
2 stops
Delta Logo
7:00 am - 6:07 pm
ONT
-
HPN
8h 07m
1 stop
$402Delta
Thu, Nov 19 - Thu, Nov 26
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
$413Delta
Sat, Aug 22 - Sun, Aug 30
American Airlines Logo
12:00 pm - 10:32 pm
HPN
-
ONT
13h 32m
2 stops
American Airlines Logo
7:15 pm - 10:30 am
ONT
-
HPN
12h 15m
2 stops
$427American Airlines
Wed, Jul 8 - Tue, Jul 14

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American Airlines flights from White Plains to Ontario

Our best American Airlines deals on White Plains to Ontario flight tickets
American Airlines
Jul 8
HPN12:00 pmWhite Plains Westchester County
13h 32m
2 stops
ONT10:32 pmOntario
Jul 14
ONT7:15 pmOntario
12h 15m
2 stops
HPN10:30 amWhite Plains Westchester County
$427
American Airlines
Jul 8
HPN3:22 pmWhite Plains Westchester County
9h 21m
2 stops
ONT9:43 pmOntario
Jul 14
ONT7:15 pmOntario
12h 15m
2 stops
HPN10:30 amWhite Plains Westchester County
$490
American Airlines
Jul 8
HPN3:22 pmWhite Plains Westchester County
9h 21m
2 stops
ONT9:43 pmOntario
Jul 14
ONT7:00 amOntario
13h 29m
2 stops
HPN11:29 pmWhite Plains Westchester County
$515

Delta flights from White Plains to Ontario

Our best Delta deals on White Plains to Ontario flight tickets
Delta
Sep 9
HPN6:00 amWhite Plains Westchester County
8h 04m
1 stop
ONT11:04 amOntario
Sep 13
ONT10:59 pmOntario
7h 50m
1 stop
HPN9:49 amWhite Plains Westchester County
$322
Delta
Sep 13
HPN6:00 amWhite Plains Westchester County
8h 04m
1 stop
ONT11:04 amOntario
Sep 18
ONT11:59 amOntario
7h 22m
1 stop
HPN10:21 pmWhite Plains Westchester County
$327
Delta
Aug 17
HPN4:29 pmWhite Plains Westchester County
8h 23m
1 stop
ONT9:52 pmOntario
Aug 30
ONT10:00 pmOntario
8h 49m
1 stop
HPN9:49 amWhite Plains Westchester County
$343

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 June 10, 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
Quickest round-trip

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Sun 9/13

6:00 am-11:04 am

1 stop8h 04m

Ontario

Fri 9/18

11:59 am-10:21 pm

1 stop7h 22m

$327

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Mon 8/17

4:29 pm-9:52 pm

1 stop8h 23m

Ontario

Sun 8/30

10:00 pm-9:49 am

1 stop8h 49m

$343

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Sun 8/30

6:00 am-10:42 am

1 stop7h 42m

Ontario

Wed 9/2

7:05 am-6:07 pm

1 stop8h 02m

$372

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Sat 8/15

12:48 pm-6:29 pm

1 stop8h 41m

Ontario

Sun 8/23

10:00 pm-9:49 am

1 stop8h 49m

$377

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Fri 8/21

4:29 pm-9:52 pm

1 stop8h 23m

Ontario

Sun 8/30

10:00 pm-9:49 am

1 stop8h 49m

$388

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Thu 11/19

12:59 pm-6:18 pm

1 stop8h 19m

Ontario

Thu 11/26

7:00 am-6:07 pm

1 stop8h 07m

$392

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Mon 8/17

4:29 pm-9:52 pm

1 stop8h 23m

Ontario

Sun 8/23

10:00 pm-9:49 am

1 stop8h 49m

$398

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Thu 11/19

5:10 pm-11:48 pm

2 stops9h 38m

Ontario

Thu 11/26

7:00 am-6:07 pm

1 stop8h 07m

$402

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Sat 8/22

6:00 am-10:42 am

1 stop7h 42m

Ontario

Sun 8/30

10:00 pm-9:49 am

1 stop8h 49m

$413

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Wed 7/8

12:00 pm-10:32 pm

2 stops13h 32m

Ontario

Tue 7/14

7:15 pm-10:30 am

2 stops12h 15m

$427

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 Tuesday when prices can be found for as low as $297. 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 $592.

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 White Plains to Ontario when you can find flight prices for as low as $322. 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 $342 on average. Flights to Ontario from White Plains in the afternoon 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 04m

Direct flights

None
The fastest flight from White Plains to Ontario takes 8h 04m
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 04m.

  • 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
7.9
8,396 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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