$366 Cheap Flights from Buffalo (BUF) to Santa Rosa (STS)

View $366 flight on Mon, Aug 18, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Santa Rosa, CA (STS-Sonoma County)

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Cheap Flights from Buffalo to Santa Rosa (BUF-STS)

Prices were available within the past 7 days and start at $366 for one-way flights and $637 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Oct 6 - Sat, Oct 11
BUF
Buffalo
STS
Santa Rosa
$637 Roundtrip, found 22 hours ago
$637
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Mon, Oct 6 from Buffalo to Santa Rosa, returning Sat, Oct 11, priced at $637 found 22 hours ago
American Airlines
Tue, Sep 2 - Tue, Sep 9
BUF
Buffalo
STS
Santa Rosa
$651 Roundtrip, found 1 day ago
$651
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Sep 2 from Buffalo to Santa Rosa, returning Tue, Sep 9, priced at $651 found 1 day ago
American Airlines
Tue, Sep 2 - Tue, Sep 9
BUF
Buffalo
STS
Santa Rosa
$656 Roundtrip, found 1 day ago
$656
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Sep 2 from Buffalo to Santa Rosa, returning Tue, Sep 9, priced at $656 found 1 day ago
American Airlines
Fri, Sep 12 - Tue, Sep 16
BUF
Buffalo
STS
Santa Rosa
$671 Roundtrip, found 7 hours ago
$671
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Fri, Sep 12 from Buffalo to Santa Rosa, returning Tue, Sep 16, priced at $671 found 7 hours ago
American Airlines
Mon, Oct 6 - Sat, Oct 11
BUF
Buffalo
STS
Santa Rosa
$674 Roundtrip, found 22 hours ago
$674
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Mon, Oct 6 from Buffalo to Santa Rosa, returning Sat, Oct 11, priced at $674 found 22 hours ago
American Airlines
Sat, Oct 4 - Thu, Oct 9
BUF
Buffalo
STS
Santa Rosa
$675 Roundtrip, found 2 hours ago
$675
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Oct 4 from Buffalo to Santa Rosa, returning Thu, Oct 9, priced at $675 found 2 hours ago
American Airlines
Tue, Oct 7 - Sun, Oct 12
BUF
Buffalo
STS
Santa Rosa
$684 Roundtrip, found 2 hours ago
$684
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Oct 7 from Buffalo to Santa Rosa, returning Sun, Oct 12, priced at $684 found 2 hours ago
American Airlines
Tue, Oct 7 - Sun, Oct 12
BUF
Buffalo
STS
Santa Rosa
$689 Roundtrip, found 2 hours ago
$689
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Oct 7 from Buffalo to Santa Rosa, returning Sun, Oct 12, priced at $689 found 2 hours ago
American Airlines
Mon, Aug 18 - Mon, Aug 25
BUF
Buffalo
STS
Santa Rosa
$691 Roundtrip, found 1 hour ago
$691
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Aug 18 from Buffalo to Santa Rosa, returning Mon, Aug 25, priced at $691 found 1 hour ago
Alaska Airlines
Mon, Oct 6 - Sat, Oct 11
BUF
Buffalo
STS
Santa Rosa
$719 Roundtrip, found 22 hours ago
$719
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Mon, Oct 6 from Buffalo to Santa Rosa, returning Sat, Oct 11, priced at $719 found 22 hours ago
Flights from Buffalo (BUF) to Santa Rosa (STS)
Origin airport
Buffalo Niagara Intl.
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$637
Distance
2301 mi

Buffalo to Santa Rosa Flights

The cheapest times to fly from Buffalo 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 Buffalo to Santa Rosa are during the month of October. You can find some of the cheapest flights from Buffalo to Santa Rosa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Santa Rosa

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Santa Rosa in 2025. You can also book with separate airlines for your outbound and return journeys, from $366 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 Buffalo 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 Buffalo 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.

 

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Sonoma County Airport (STS) cost?
Discover the latest flight deals from BUF to STS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BUF to STS?
The cheapest flights from BUF to STS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BUF to STS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BUF to STS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Sonoma County Airport (STS)?
There aren't any daily direct flights departing from Buffalo Niagara Intl. Airport (BUF) to Sonoma County Airport (STS). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from BUF to STS?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Sonoma County Airport (STS)?
To reach Sonoma County Airport (STS) on schedule, pick a flight that leaves from Buffalo Niagara Intl. Airport (BUF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Buffalo Niagara Intl. Airport (BUF) to Sonoma County Airport (STS) last-minute?
Booking your ticket from BUF to STS shortly before your getaway is typically more expensive. However, if you're flexible with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a BUF to STS flight and hotel package?
You can save money by securing a BUF to STS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your ideal flights and accommodations, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Sonoma County Airport (STS)?
Typically, you can cancel or modify your BUF to STS flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like more details, go to our Customer Service portal.

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*Available to One Key members.