Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

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 1/7. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 - 11:31 amHPN-ONT
8h 31m1 stop
Delta Logo
10:30 pm - 9:48 amONT-HPN
8h 18m1 stop
$317Delta
Find Deal
Wed, Jan 7 - Sun, Jan 11
Delta Logo
6:00 am - 11:31 amHPN-ONT
8h 31m1 stop
Delta Logo
10:20 pm - 4:32 pmONT-HPN
15h 12m2 stops
$322Delta
Find Deal
Tue, Jan 27 - Tue, Feb 24
Delta Logo
5:12 pm - 11:58 pmHPN-ONT
9h 46m2 stops
Delta Logo
5:00 pm - 9:43 amONT-HPN
13h 43m2 stops
$327Delta
Find Deal
Tue, Jan 27 - Tue, Feb 24
Delta Logo
4:29 pm - 11:04 pmHPN-ONT
9h 35m1 stop
Delta Logo
10:30 pm - 9:48 amONT-HPN
8h 18m1 stop
$330Delta
Find Deal
Tue, Dec 16 - Thu, Jan 8
Delta Logo
12:38 pm - 9:05 pmHPN-ONT
11h 27m2 stops
Delta Logo
10:20 pm - 11:56 amONT-HPN
10h 36m2 stops
$340Delta
Find Deal
Wed, Feb 4 - Wed, Mar 4
American Airlines Logo
1:30 pm - 7:39 pmHPN-ONT
9h 09m1 stop
American Airlines Logo
7:18 pm - 10:34 amONT-HPN
12h 16m2 stops
$375American Airlines
Find Deal
Fri, Dec 12 - Sat, Dec 20
American Airlines Logo
7:00 am - 4:02 pmHPN-ONT
12h 02m2 stops
American Airlines Logo
7:18 pm - 10:34 amONT-HPN
12h 16m2 stops
$380American Airlines
Find Deal
Fri, Dec 12 - Sat, Dec 20
Delta Logo
6:00 am - 12:02 pmHPN-ONT
9h 02m1 stop
Delta Logo
10:20 pm - 9:43 amONT-HPN
8h 23m1 stop
$428Delta
Find Deal
Tue, Feb 17 - Tue, Feb 17
American Airlines Logo
1:30 pm - 7:39 pmHPN-ONT
9h 09m1 stop
American Airlines Logo
7:18 pm - 10:34 amONT-HPN
12h 16m2 stops
$444American Airlines
Find Deal
Fri, Dec 12 - Sat, Dec 20
American Airlines Logo
1:36 pm - 9:07 pmHPN-ONT
10h 31m1 stop
American Airlines Logo
9:59 am - 9:59 pmONT-HPN
9h 00m2 stops
$448American Airlines
Find Deal
Sat, Dec 13 - Tue, Dec 16

Delta flights from White Plains to Ontario

Our best Delta deals on White Plains to Ontario flight tickets
Delta
Jan 7
HPN6:00 amWhite Plains Westchester County
8h 31m
1 stop
ONT11:31 amOntario
Jan 11
ONT10:30 pmOntario
8h 18m
1 stop
HPN9:48 amWhite Plains Westchester County
$317
Find similar
Delta
Jan 27
HPN6:00 amWhite Plains Westchester County
8h 31m
1 stop
ONT11:31 amOntario
Feb 24
ONT10:20 pmOntario
15h 12m
2 stops
HPN4:32 pmWhite Plains Westchester County
$322
Find similar
Delta
Jan 27
HPN5:12 pmWhite Plains Westchester County
9h 46m
2 stops
ONT11:58 pmOntario
Feb 24
ONT5:00 pmOntario
13h 43m
2 stops
HPN9:43 amWhite Plains Westchester County
$327
Find similar

American Airlines flights from White Plains to Ontario

Our best American Airlines deals on White Plains to Ontario flight tickets
American Airlines
Dec 12
HPN1:30 pmWhite Plains Westchester County
9h 09m
1 stop
ONT7:39 pmOntario
Dec 20
ONT7:18 pmOntario
12h 16m
2 stops
HPN10:34 amWhite Plains Westchester County
$375
Find similar
American Airlines
Dec 12
HPN7:00 amWhite Plains Westchester County
12h 02m
2 stops
ONT4:02 pmOntario
Dec 20
ONT7:18 pmOntario
12h 16m
2 stops
HPN10:34 amWhite Plains Westchester County
$380
Find similar
American Airlines
Dec 12
HPN1:30 pmWhite Plains Westchester County
9h 09m
1 stop
ONT7:39 pmOntario
Dec 20
ONT7:18 pmOntario
12h 16m
2 stops
HPN10:34 amWhite Plains Westchester County
$444
Find similar

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 December 2, 2025.
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

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Wed 1/7

6:00 am-11:31 am

1 stop8h 31m

Ontario

Sun 1/11

10:30 pm-9:48 am

1 stop8h 18m

$317

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 1/27

6:00 am-11:31 am

1 stop8h 31m

Ontario

Tue 2/24

10:20 pm-4:32 pm

2 stops15h 12m

$322

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 1/27

5:12 pm-11:58 pm

2 stops9h 46m

Ontario

Tue 2/24

5:00 pm-9:43 am

2 stops13h 43m

$327

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 12/16

4:29 pm-11:04 pm

1 stop9h 35m

Ontario

Thu 1/8

10:30 pm-9:48 am

1 stop8h 18m

$330

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Wed 2/4

12:38 pm-9:05 pm

2 stops11h 27m

Ontario

Wed 3/4

10:20 pm-11:56 am

2 stops10h 36m

$340

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Fri 12/12

1:30 pm-7:39 pm

1 stop9h 09m

Ontario

Sat 12/20

7:18 pm-10:34 am

2 stops12h 16m

$375

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Fri 12/12

7:00 am-4:02 pm

2 stops12h 02m

Ontario

Sat 12/20

7:18 pm-10:34 am

2 stops12h 16m

$380

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Tue 2/17

6:00 am-12:02 pm

1 stop9h 02m

Ontario

Tue 2/17

10:20 pm-9:43 am

1 stop8h 23m

$428

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Fri 12/12

1:30 pm-7:39 pm

1 stop9h 09m

Ontario

Sat 12/20

7:18 pm-10:34 am

2 stops12h 16m

$444

White PlainsOntario

HPN - ONT

HPNONT

White Plains Westchester County

Sat 12/13

1:36 pm-9:07 pm

1 stop10h 31m

Ontario

Tue 12/16

9:59 am-9:59 pm

2 stops9h 00m

$448

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Los Angeles from

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 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 White Plains 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 White Plains 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 White Plains in the morning 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 16m

Direct flights

None
The fastest flight from White Plains to Ontario takes 8h 16m
There are no direct flights from White Plains to Ontario. There are no popular flight routes from White Plains to Ontario.
Search flight deals

  • 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 31m.

  • 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 $267Free CancellationRating
7.9
8,010 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.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 1/1
Thu 1/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States