$159 Cheap Flights from Ontario (ONT) to White Plains (HPN)

View $159 flight on Mon, Aug 3, 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Westchester County Airport (HPN)

Cheap Flights from Ontario to White Plains (ONT-HPN)

Prices were available within the past 7 days and start at $159 for one-way flights and $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Dec 3 - Mon, Dec 8
ONT
Ontario
HPN
White Plains
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Dec 3 from Ontario to White Plains, returning Mon, Dec 8, priced at $317 found 1 day ago
American Airlines
Fri, Dec 12 - Sun, Dec 14
ONT
Ontario
HPN
White Plains
$322 Roundtrip, found 1 day ago
$322
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Dec 12 from Ontario to White Plains, returning Sun, Dec 14, priced at $322 found 1 day ago
American Airlines
Thu, Jan 29 - Tue, Feb 3
ONT
Ontario
HPN
White Plains
$325 Roundtrip, found 3 days ago
$325
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Jan 29 from Ontario to White Plains, returning Tue, Feb 3, priced at $325 found 3 days ago
American Airlines
Wed, Jan 7 - Wed, Jan 14
ONT
Ontario
HPN
White Plains
$327 Roundtrip, found 1 day ago
$327
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jan 7 from Ontario to White Plains, returning Wed, Jan 14, priced at $327 found 1 day ago
Delta
Thu, Dec 4 - Mon, Dec 8
ONT
Ontario
HPN
White Plains
$330 Roundtrip, found 7 hours ago
$330
Roundtrip
found 7 hours ago
Select Delta flight, departing Thu, Dec 4 from Ontario to White Plains, returning Mon, Dec 8, priced at $330 found 7 hours ago
Delta
Wed, Nov 19 - Thu, Dec 4
ONT
Ontario
HPN
White Plains
$335 Roundtrip, found 3 days ago
$335
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Nov 19 from Ontario to White Plains, returning Thu, Dec 4, priced at $335 found 3 days ago
American Airlines
Fri, Dec 12 - Sun, Dec 14
ONT
Ontario
HPN
White Plains
$340 Roundtrip, found 1 day ago
$340
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Dec 12 from Ontario to White Plains, returning Sun, Dec 14, priced at $340 found 1 day ago
Delta
Sat, Jan 31 - Sun, Feb 1
ONT
Ontario
HPN
White Plains
$342 Roundtrip, found 3 days ago
$342
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jan 31 from Ontario to White Plains, returning Sun, Feb 1, priced at $342 found 3 days ago
Alaska Airlines
Tue, Mar 31 - Wed, Apr 8
ONT
Ontario
HPN
White Plains
$511 Roundtrip, found 3 days ago
$511
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Mar 31 from Ontario to White Plains, returning Wed, Apr 8, priced at $511 found 3 days ago
JetBlue Airways
Wed, Sep 30 - Sat, Oct 3
ONT
Ontario
HPN
White Plains
$802 Roundtrip, just found
$802
Roundtrip
just found
Select JetBlue Airways flight, departing Wed, Sep 30 from Ontario to White Plains, returning Sat, Oct 3, priced at $802 just found

Find the cheapest month to fly from Ontario (ONT) to White Plains (HPN)

April is typically the cheapest month to fly

From $296 - $819 per traveler.

Alternative airports near White Plains

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John F. Kennedy Intl. JFK. Cheapest option available. Average driving time to city center is 43 minutes. Flights from $352
JFK
John F. Kennedy Intl.
Cheapest
Average driving time to city center43 min
Flights from $352
Select flight to LaGuardia LGA. Average driving time to city center is 35 minutes. Flights from $450
LGA
LaGuardia
Average driving time to city center35 min
Flights from $450

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Westchester County Airport (HPN) cost?
Secure a cheap one-way flight from $159 or cheap return flight from $317 from Los Angeles - Ontario Intl. Airport (ONT) to Westchester County Airport (HPN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Westchester County Airport (HPN)?
Planning your getaway for December may help you find better deals, as it's the cheapest month for flights between ONT and HPN. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Westchester County Airport (HPN)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ONT to HPN flight.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Westchester County Airport (HPN)?
Direct flights from Los Angeles - Ontario Intl. Airport (ONT) to Westchester County Airport (HPN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ONT to HPN?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Westchester County Airport (HPN)?
To avoid possible delays on the Los Angeles - Ontario Intl. Airport (ONT) to Westchester County Airport (HPN) route, travel before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Westchester County Airport (HPN) last-minute?
Waiting until just before your trip to book your flight from ONT to HPN generally means paying more. Although you may find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book an ONT to HPN flight and hotel package?
You'll typically save money by securing an ONT to HPN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your preferred flights and accommodations, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Westchester County Airport (HPN)?
If you reserved your ONT to HPN flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Westchester County
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways
Roundtrip price
$316
Distance
2425 mi

Book with confidence

Ontario to White Plains Flights

The cheapest times to fly from Ontario to White Plains

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to White Plains are during the month of December. You can find some of the cheapest flights from Ontario to White Plains with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to White Plains

Sunday is one of the best days to book for cheap flights from Ontario to White Plains: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to White Plains

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to White Plains in 2025. You can also book with separate airlines for your outbound and return journeys, from $159 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to White Plains flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to White Plains airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Ontario to White Plains Flights

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*Available to One Key members.