A vineyard with rows of grapevines, a dirt path, and a backdrop of rolling hills and trees.

S$625 Cheap Flights from San Francisco to Santa Rosa

View S$625 flight on Sat, 20 Jun, 2026Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Santa Rosa, CA (STS-Sonoma County)

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Cheap Flights from San Francisco to Santa Rosa (SFO-STS)

Prices were available within the past 7 days and start at S$625 for one-way flights and S$959 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 20 Jun - Sat, 27 Jun
SFO
San Francisco
STS
Santa Rosa
S$959 Return, found 4 days ago
S$959
Return
found 4 days ago
Select American Airlines flight, departing Sat, 20 Jun from San Francisco to Santa Rosa, returning Sat, 27 Jun, priced at S$959 found 4 days ago
American Airlines
Sat, 20 Jun - Sat, 27 Jun
SFO
San Francisco
STS
Santa Rosa
S$1,076 Return, found 4 days ago
S$1,076
Return
found 4 days ago
Select American Airlines flight, departing Sat, 20 Jun from San Francisco to Santa Rosa, returning Sat, 27 Jun, priced at S$1,076 found 4 days ago
American Airlines
Sat, 20 Jun - Sat, 27 Jun
SFO
San Francisco
STS
Santa Rosa
S$1,207 Return, found 4 days ago
S$1,207
Return
found 4 days ago
Select American Airlines flight, departing Sat, 20 Jun from San Francisco to Santa Rosa, returning Sat, 27 Jun, priced at S$1,207 found 4 days ago
American Airlines
Sat, 20 Jun - Sat, 27 Jun
SFO
San Francisco
STS
Santa Rosa
S$1,212 Return, found 7 hours ago
S$1,212
Return
found 7 hours ago
Select American Airlines flight, departing Sat, 20 Jun from San Francisco to Santa Rosa, returning Sat, 27 Jun, priced at S$1,212 found 7 hours ago
American Airlines
Fri, 21 Aug - Sat, 22 Aug
SFO
San Francisco
STS
Santa Rosa
S$1,230 Return, found 1 hour ago
S$1,230
Return
found 1 hour ago
Select American Airlines flight, departing Fri, 21 Aug from San Francisco to Santa Rosa, returning Sat, 22 Aug, priced at S$1,230 found 1 hour ago
American Airlines
Sat, 20 Jun - Sat, 27 Jun
SFO
San Francisco
STS
Santa Rosa
S$1,240 Return, found 4 days ago
S$1,240
Return
found 4 days ago
Select American Airlines flight, departing Sat, 20 Jun from San Francisco to Santa Rosa, returning Sat, 27 Jun, priced at S$1,240 found 4 days ago
American Airlines
Sat, 20 Jun - Sat, 27 Jun
SFO
San Francisco
STS
Santa Rosa
S$1,261 Return, found 16 hours ago
S$1,261
Return
found 16 hours ago
Select American Airlines flight, departing Sat, 20 Jun from San Francisco to Santa Rosa, returning Sat, 27 Jun, priced at S$1,261 found 16 hours ago
American Airlines
Sat, 20 Jun - Sat, 27 Jun
SFO
San Francisco
STS
Santa Rosa
S$1,305 Return, found 7 hours ago
S$1,305
Return
found 7 hours ago
Select American Airlines flight, departing Sat, 20 Jun from San Francisco to Santa Rosa, returning Sat, 27 Jun, priced at S$1,305 found 7 hours ago
American Airlines
Sat, 20 Jun - Sat, 27 Jun
SFO
San Francisco
STS
Santa Rosa
S$1,317 Return, found 4 days ago
S$1,317
Return
found 4 days ago
Select American Airlines flight, departing Sat, 20 Jun from San Francisco to Santa Rosa, returning Sat, 27 Jun, priced at S$1,317 found 4 days ago
American Airlines
Sat, 20 Jun - Sat, 27 Jun
SFO
San Francisco
STS
Santa Rosa
S$1,341 Return, found 4 days ago
S$1,341
Return
found 4 days ago
Select American Airlines flight, departing Sat, 20 Jun from San Francisco to Santa Rosa, returning Sat, 27 Jun, priced at S$1,341 found 4 days ago

Frequently asked questions

How much is a flight from SFO to STS?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey from San Francisco Intl. Airport (SFO) to Sonoma County Airport was S$959. Fares this cheap don't last forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Intl. Airport (SFO) to STS?
Most flights can be conveniently cancelled online, but whether you are charged a fee all comes down to your airline. If you do have to cancel your escape, follow the instructions in the Customer Service Portal.
How do I find cheap flights from San Francisco Airport to Sonoma County Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Francisco Airport to Sonoma County Airport (STS) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from SFO to STS?
Lasting around 4 hours and 8 minutes, the flight between San Francisco Intl. Airport (SFO) and Sonoma County Airport is a good opportunity to do some last-minute planning. How about using the time to read up on what to do in Windsor?
How far is the flight from SFO to Sonoma County Airport (STS)?
A flight distance of just 110 kilometres separates San Francisco and Windsor. Once you're up in the air, you won't get a chance to do much more than listen to some short podcasts.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to Sonoma County Airport (STS)?
There are no direct flights, so you'll need to make at least one stop between SFO and Sonoma County Airport. Use the layover time to stretch your legs and take a break.
Are SFO to STS flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally find a bargain, with some super cheap fares from SFO to Sonoma County Airport cropping up a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines release prices so far in advance.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Sonoma County
Airlines serving
American Airlines
Return price
S$958
Distance
105 km

Book with confidence

Perfect flights from San Francisco to Santa Rosa

Your Journey from San Francisco to Santa Rosa

Start your unforgettable journey with Expedia. Our broad selection of flights from San Francisco to Santa Rosa caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including American Airlines. Our selection of flights from San Francisco Intl. to Sonoma County caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with San Francisco to Santa Rosa Flights

Experience the joy of finding cheap flights from San Francisco Intl. to Sonoma County that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$625 and roundtrip prices from S$959*.
 

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Experience the Vibrant Santa Rosa

Picture yourself stepping off the plane in Santa Rosa and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your San Francisco to Santa Rosa Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from San Francisco to Santa Rosa.
 

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With Expedia, your adventure extends beyond the flight. Explore Santa Rosa at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from San Francisco to Santa Rosa with Confidence

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from San Francisco to Santa Rosa

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