$255 Cheap Flights from White Plains (HPN) to Santa Rosa (STS)

View $255 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from Westchester County Airport (HPN) to Santa Rosa, CA (STS-Sonoma County)

Cheap Flights from White Plains to Santa Rosa (HPN-STS)

Prices were available within the past 7 days and start at $255 for one-way flights and $818 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Nov 1 - Fri, Nov 7
HPN
White Plains
STS
Santa Rosa
$818 Roundtrip, found 8 hours ago
$818
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sat, Nov 1 from White Plains to Santa Rosa, returning Fri, Nov 7, priced at $818 found 8 hours ago
American Airlines
Fri, Oct 31 - Sat, Nov 1
HPN
White Plains
STS
Santa Rosa
$828 Roundtrip, found 8 hours ago
$828
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Oct 31 from White Plains to Santa Rosa, returning Sat, Nov 1, priced at $828 found 8 hours ago
Alaska Airlines
Tue, Oct 28 - Fri, Nov 7
HPN
White Plains
STS
Santa Rosa
$839 Roundtrip, found 8 hours ago
$839
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Tue, Oct 28 from White Plains to Santa Rosa, returning Fri, Nov 7, priced at $839 found 8 hours ago
American Airlines
Fri, Oct 31 - Sat, Nov 8
HPN
White Plains
STS
Santa Rosa
$843 Roundtrip, found 8 hours ago
$843
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Oct 31 from White Plains to Santa Rosa, returning Sat, Nov 8, priced at $843 found 8 hours ago
American Airlines
Fri, Oct 31 - Fri, Nov 7
HPN
White Plains
STS
Santa Rosa
$848 Roundtrip, found 8 hours ago
$848
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Oct 31 from White Plains to Santa Rosa, returning Fri, Nov 7, priced at $848 found 8 hours ago
American Airlines
Fri, Oct 31 - Wed, Nov 5
HPN
White Plains
STS
Santa Rosa
$873 Roundtrip, found 8 hours ago
$873
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Oct 31 from White Plains to Santa Rosa, returning Wed, Nov 5, priced at $873 found 8 hours ago
American Airlines
Fri, Oct 31 - Sun, Nov 2
HPN
White Plains
STS
Santa Rosa
$878 Roundtrip, found 8 hours ago
$878
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Oct 31 from White Plains to Santa Rosa, returning Sun, Nov 2, priced at $878 found 8 hours ago
American Airlines
Sat, Nov 1 - Sun, Nov 2
HPN
White Plains
STS
Santa Rosa
$887 Roundtrip, found 8 hours ago
$887
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Nov 1 from White Plains to Santa Rosa, returning Sun, Nov 2, priced at $887 found 8 hours ago
American Airlines
Fri, Oct 31 - Mon, Nov 10
HPN
White Plains
STS
Santa Rosa
$895 Roundtrip, found 8 hours ago
$895
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Oct 31 from White Plains to Santa Rosa, returning Mon, Nov 10, priced at $895 found 8 hours ago
American Airlines
Fri, Oct 31 - Sat, Nov 1
HPN
White Plains
STS
Santa Rosa
$905 Roundtrip, found 8 hours ago
$905
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Oct 31 from White Plains to Santa Rosa, returning Sat, Nov 1, priced at $905 found 8 hours ago

Alternative airports near Santa Rosa

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

Select flight to Sonoma County STS. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $818
STS
Sonoma County
CheapestClosest
Average driving time to city center10 min
Flights from $818

Frequently asked questions

How much does a flight from Westchester County Airport (HPN) to Sonoma County Airport (STS) cost?
Get a cheap one-way flight from $255 or cheap return flight from $818 from Westchester County Airport (HPN) to Sonoma County Airport (STS) 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 Westchester County Airport (HPN) to Sonoma County Airport (STS)?
Planning your getaway for November is a great way to save, as it's the cheapest month for flights between HPN and STS. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Westchester County Airport (HPN) to Sonoma County Airport (STS)?
To find the cheapest airline that'll fly you from HPN to STS, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Westchester County Airport (HPN) to Sonoma County Airport (STS)?
Nonstop flights from Westchester County Airport (HPN) to Sonoma County Airport (STS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HPN to STS?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can vary 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 Westchester County Airport (HPN) to Sonoma County Airport (STS)?
Book a flight from Westchester County Airport (HPN) to Sonoma County Airport (STS) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this are on average 22% more likely to be canceled.**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 Westchester County Airport (HPN) to Sonoma County Airport (STS) last-minute?
Holding off until right before your break to book a ticket from HPN to STS often results in higher prices. While you may find some last-minute offers, they aren't always guaranteed. Keep your travel schedule open for a better chance of snagging a bargain.
Is it cheaper to book a HPN to STS flight and hotel package?
Opting for a HPN to STS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Westchester County Airport (HPN) to Sonoma County Airport (STS)?
If you reserved your HPN to STS flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Westchester County
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$818
Distance
2578 mi

Book with confidence

White Plains to Santa Rosa Flights

The cheapest times to fly from White Plains to Santa Rosa

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 White Plains to Santa Rosa are during the month of November. You can find some of the cheapest flights from White Plains to Santa Rosa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from White Plains to Santa Rosa

Sunday is one of the best days to book for cheap flights from White Plains to Santa Rosa: 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 White Plains to Santa Rosa

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 White Plains to Santa Rosa in 2025. You can also book with separate airlines for your outbound and return journeys, from $255 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 White Plains to Santa Rosa 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 White Plains to Santa Rosa 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.

 

White Plains to Santa Rosa Flights

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*Available to One Key members.