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Cheap Flights from Ontario to White Plains (ONT-HPN)
Prices were available within the past 7 days and start at $134 for one-way flights and $287 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Origin airport | Los Angeles - Ontario Intl. |
Destination airport | Westchester County |
Airlines serving | Alaska Airlines, American Airlines, Delta, JetBlue Airways |
Roundtrip price | $287 |
Distance | 2425 mi |
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 May. 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 $134 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.
Frequently asked questions
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Flights
- JetBlue Airways Fort Lauderdale (FLL) to White Plains (HPN) flights
- American Airlines Washington (DCA) to White Plains (HPN) flights
- Delta Sarasota (SRQ) to White Plains (HPN) flights
- American Airlines Jacksonville (JAX) to White Plains (HPN) flights
- American Airlines Myrtle Beach (MYR) to White Plains (HPN) flights
- American Airlines Chicago (ORD) to White Plains (HPN) flights
- JetBlue Airways Tampa (TPA) to White Plains (HPN) flights
- American Airlines Charlotte (CLT) to White Plains (HPN) flights
- JetBlue Airways West Palm Beach (PBI) to White Plains (HPN) flights
- JetBlue Airways Fort Myers (RSW) to White Plains (HPN) flights
- Volaris Ontario (ONT) to Guadalajara (GDL) flights
- Alaska Airlines Ontario (ONT) to Seattle (SEA) flights
- Alaska Airlines Ontario (ONT) to Portland (PDX) flights
- American Airlines Ontario (ONT) to Phoenix (PHX) flights
- American Airlines Ontario (ONT) to Miami (MIA) flights
- Frontier Airlines Ontario (ONT) to Denver (DEN) flights
- Delta Ontario (ONT) to Salt Lake City (SLC) flights
- American Airlines Ontario (ONT) to New York (JFK) flights
- American Airlines Ontario (ONT) to Newark Liberty Intl. Airport (EWR) flights
- Alaska Airlines Ontario (ONT) to Honolulu (HNL) flights
- Flights from Raleigh (RDU) to White Plains (HPN)
- Flights from Panama City (ECP) to White Plains (HPN)
- Flights from Tampa (TPA) to White Plains (HPN)
- Flights from Miami (MIA) to White Plains (HPN)
- Flights from Chicago (ORD) to White Plains (HPN)
- Flights from Fort Lauderdale (FLL) to White Plains (HPN)
- Flights from Myrtle Beach (MYR) to White Plains (HPN)
- Flights from Washington (DCA) to White Plains (HPN)
- Flights from Charleston (CHS) to White Plains (HPN)
- Flights from Vero Beach (VRB) to White Plains (HPN)
- Flights from Jacksonville (JAX) to White Plains (HPN)
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- Flights from Ontario (ONT) to Manila (MNL)
- Flights from Los Angeles (LAX) to Manila (MNL)
- Flights from Los Angeles (LAX) to London (LHR)
- Flights from New York (JFK) to London (LHR)
- Flights from Ontario (ONT) to Guadalajara (GDL)
- Flights from Los Angeles (LAX) to Seattle (SEA)
- Flights from Ontario (ONT) to Seattle (SEA)
- Flights from Chicago (ORD) to Los Angeles (LAX)
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- Flights from Seattle (SEA) to Los Angeles (LAX)
- Flights from Las Vegas (LAS) to Los Angeles (LAX)
- Flights from New York (JFK) to Rome (FCO)
- Flights from Ontario (ONT) to Portland (PDX)
- Flights from Los Angeles (LAX) to Seoul (ICN)
- Flights from Ontario (ONT) to Phoenix (PHX)
- Flights from Los Angeles (LAX) to Las Vegas (LAS)
- Flights from San Francisco (SFO) to Las Vegas (LAS)
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- Flights from Los Angeles (LAX) to Chicago (ORD)
- Flights from Ontario (ONT) to Denver (DEN)
- Flights from Ontario (ONT) to Salt Lake City (SLC)
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- Flights from Ontario (ONT) to New York (JFK)
- Flights from San Francisco (SFO) to New York (JFK)
- Flights from Ontario (ONT) to Newark Liberty Intl. Airport (EWR)
- Flights from Los Angeles (LAX) to Honolulu (HNL)
- Flights from Ontario (ONT) to Honolulu (HNL)
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