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

View AU$236 flight on Thu, 9 Oct. 2025Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from San Francisco (SFO) to Santa Rosa (STS)

February is typically the cheapest month to fly

From AU$248 - AU$725 per traveller.

Graph displaying average flight prices per month

Flight from San Francisco to Santa Rosa route information
Origin airport
San Francisco Intl.
Destination airport
Sonoma County
Distance
105 km

Your quick guide to flights from San Francisco to Santa Rosa

Pick up great flights from San Francisco to Santa Rosa

With Expedia, you have your pick of flights a day with 20 airlines covering flights from San Francisco to Santa Rosa. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from San Francisco to Santa Rosa that take around hours.

Find cheap flights from San Francisco to Santa Rosa

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from San Francisco to Santa Rosa around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Santa Rosa is normally in .

Reasons to book your flight from San Francisco to Santa Rosa with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from San Francisco to Santa Rosa across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Santa Rosa right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

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 . 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.

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