$96 Cheap Flights from San Francisco (SFO) to Santa Rosa (STS)

View $96 flight on Tue, May 13, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $96 for one-way flights and $182 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, May 13 - Wed, May 14
SFO
San Francisco
STS
Santa Rosa
$182 Roundtrip, found 3 days ago
$182
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, May 13 from San Francisco to Santa Rosa, returning Wed, May 14, priced at $182 found 3 days ago
Alaska Airlines
Wed, May 7 - Wed, May 14
SFO
San Francisco
STS
Santa Rosa
$192 Roundtrip, found 6 hours ago
$192
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Wed, May 7 from San Francisco to Santa Rosa, returning Wed, May 14, priced at $192 found 6 hours ago
Hawaiian Airlines
Tue, May 13 - Wed, May 28
SFO
San Francisco
STS
Santa Rosa
$197 Roundtrip, found 17 hours ago
$197
Roundtrip
found 17 hours ago
Select Hawaiian Airlines flight, departing Tue, May 13 from San Francisco to Santa Rosa, returning Wed, May 28, priced at $197 found 17 hours ago
Hawaiian Airlines
Wed, May 21 - Tue, Jun 3
SFO
San Francisco
STS
Santa Rosa
$202 Roundtrip, found 17 hours ago
$202
Roundtrip
found 17 hours ago
Select Hawaiian Airlines flight, departing Wed, May 21 from San Francisco to Santa Rosa, returning Tue, Jun 3, priced at $202 found 17 hours ago
Alaska Airlines
Wed, May 7 - Wed, May 14
SFO
San Francisco
STS
Santa Rosa
$207 Roundtrip, found 6 hours ago
$207
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Wed, May 7 from San Francisco to Santa Rosa, returning Wed, May 14, priced at $207 found 6 hours ago
Hawaiian Airlines
Tue, Jun 3 - Tue, Jun 17
SFO
San Francisco
STS
Santa Rosa
$212 Roundtrip, found 11 hours ago
$212
Roundtrip
found 11 hours ago
Select Hawaiian Airlines flight, departing Tue, Jun 3 from San Francisco to Santa Rosa, returning Tue, Jun 17, priced at $212 found 11 hours ago
Hawaiian Airlines
Wed, May 7 - Wed, May 21
SFO
San Francisco
STS
Santa Rosa
$217 Roundtrip, found 17 hours ago
$217
Roundtrip
found 17 hours ago
Select Hawaiian Airlines flight, departing Wed, May 7 from San Francisco to Santa Rosa, returning Wed, May 21, priced at $217 found 17 hours ago
Alaska Airlines
Wed, May 7 - Wed, May 14
SFO
San Francisco
STS
Santa Rosa
$222 Roundtrip, found 6 hours ago
$222
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Wed, May 7 from San Francisco to Santa Rosa, returning Wed, May 14, priced at $222 found 6 hours ago
Hawaiian Airlines
Wed, May 21 - Thu, Jun 5
SFO
San Francisco
STS
Santa Rosa
$227 Roundtrip, found 17 hours ago
$227
Roundtrip
found 17 hours ago
Select Hawaiian Airlines flight, departing Wed, May 21 from San Francisco to Santa Rosa, returning Thu, Jun 5, priced at $227 found 17 hours ago
American Airlines
Tue, May 6 - Tue, May 13
SFO
San Francisco
STS
Santa Rosa
$478 Roundtrip, found 3 hours ago
$478
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, May 6 from San Francisco to Santa Rosa, returning Tue, May 13, priced at $478 found 3 hours ago

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Sonoma County Airport (STS) cost?
Discover the latest flight deals from SFO 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 SFO to STS?
The cheapest flights from SFO 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 SFO to STS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SFO to STS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from San Francisco Intl. Airport (SFO) to Sonoma County Airport (STS)?
There aren’t any daily nonstop flights from San Francisco Intl. Airport (SFO) to Sonoma County Airport (STS). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be on your way in no time.
What day of the week has the most flights from SFO to STS?
Typically you’ll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from SFO to STS?
United Airlines has the best track record for on-time direct flights from San Francisco Intl. Airport (SFO) to Sonoma County Airport (STS), with an on-time rating of 86%. Use the Expedia App to view your flight status before you go and get real-time updates about any changes.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Sonoma County Airport (STS)?
Select a flight from San Francisco Intl. Airport (SFO) to Sonoma County Airport (STS) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 San Francisco Intl. Airport (SFO) to Sonoma County Airport (STS) last-minute?
Last-minute bookings from SFO to STS are typically more expensive. For the cheapest rates, start looking for flights well in advance. That being said, if your travel plans are flexible, it’s possible to find a cheap fare right before your trip.
Is it cheaper to book a SFO to STS flight and hotel package?
Booking a SFO to STS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Sonoma County Airport (STS)?
Typically, you can reschedule or cancel your SFO to STS flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline’s rules and fees on flight changes, or if you want more information, visit our Customer Service portal.
*Available to One Key members.