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$192 Cheap Flights from San Luis Obispo (SBP) to Santa Rosa (STS)

View $192 flight on Tue, Oct 20, 2026Opens in a new window

Popular airlines from San Luis Obispo County Regional Airport (SBP) to Santa Rosa, CA (STS-Sonoma County)

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Cheap Flights from San Luis Obispo to Santa Rosa (SBP-STS)

Prices were available within the past 7 days and start at $192 for one-way flights and $303 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Oct 6 - Tue, Oct 13
SBP
San Luis Obispo
STS
Santa Rosa
$303 Roundtrip, found 4 days ago
$303
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Oct 6 from San Luis Obispo to Santa Rosa, returning Tue, Oct 13, priced at $303 found 4 days ago
Alaska Airlines
Sat, Oct 3 - Sat, Oct 10
SBP
San Luis Obispo
STS
Santa Rosa
$308 Roundtrip, found 4 days ago
$308
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Oct 3 from San Luis Obispo to Santa Rosa, returning Sat, Oct 10, priced at $308 found 4 days ago
Alaska Airlines
Tue, Oct 13 - Fri, Oct 30
SBP
San Luis Obispo
STS
Santa Rosa
$323 Roundtrip, found 4 days ago
$323
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Oct 13 from San Luis Obispo to Santa Rosa, returning Fri, Oct 30, priced at $323 found 4 days ago
Alaska Airlines
Tue, Oct 13 - Wed, Oct 21
SBP
San Luis Obispo
STS
Santa Rosa
$333 Roundtrip, found 4 days ago
$333
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Oct 13 from San Luis Obispo to Santa Rosa, returning Wed, Oct 21, priced at $333 found 4 days ago
Alaska Airlines
Tue, Oct 6 - Sun, Oct 11
SBP
San Luis Obispo
STS
Santa Rosa
$343 Roundtrip, found 4 days ago
$343
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Oct 6 from San Luis Obispo to Santa Rosa, returning Sun, Oct 11, priced at $343 found 4 days ago
Alaska Airlines
Tue, Oct 6 - Fri, Oct 9
SBP
San Luis Obispo
STS
Santa Rosa
$348 Roundtrip, found 4 days ago
$348
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Oct 6 from San Luis Obispo to Santa Rosa, returning Fri, Oct 9, priced at $348 found 4 days ago
Alaska Airlines
Mon, Oct 5 - Sat, Oct 10
SBP
San Luis Obispo
STS
Santa Rosa
$348 Roundtrip, found 4 days ago
$348
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Oct 5 from San Luis Obispo to Santa Rosa, returning Sat, Oct 10, priced at $348 found 4 days ago
Alaska Airlines
Tue, Oct 13 - Fri, Oct 16
SBP
San Luis Obispo
STS
Santa Rosa
$353 Roundtrip, found 4 days ago
$353
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Oct 13 from San Luis Obispo to Santa Rosa, returning Fri, Oct 16, priced at $353 found 4 days ago
Alaska Airlines
Wed, Nov 18 - Wed, Dec 2
SBP
San Luis Obispo
STS
Santa Rosa
$353 Roundtrip, found 4 days ago
$353
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Nov 18 from San Luis Obispo to Santa Rosa, returning Wed, Dec 2, priced at $353 found 4 days ago
American Airlines
Thu, Nov 12 - Sat, Nov 14
SBP
San Luis Obispo
STS
Santa Rosa
$648 Roundtrip, found 2 days ago
$648
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Nov 12 from San Luis Obispo to Santa Rosa, returning Sat, Nov 14, priced at $648 found 2 days 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 $559
STS
Sonoma County
CheapestClosest
Average driving time to city center10 min
Flights from $559

Frequently asked questions

How much does a flight from San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County) cost?
You can find cheap one-way flights from $192 and cheap return flights from $303 San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County) with Expedia. One-way flights generally range between $182 and $687, and roundtrip flights usually range from $564 to $1476. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County)?
The cheapest month to fly from SBP to STS is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County)?
Enter SBP to STS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County)?
Alaska Airlines is one of the cheapest airlines offering connecting flights from San Luis Obispo, CA (SBP) to Santa Rosa, CA (STS) with a layover in San Diego Intl. (SAN), starting from around $465. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County)?
To find a cheap flight from San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County)?
The earliest flight from San Luis Obispo County Regional (SBP) to Sonoma County (STS) typically departs at around 5:00 AM, operated by United and Alaska Airlines. This is a seasonal service active in April, making it a great choice for spring travel. An early flight like this can help you enjoy a full day in Santa Rosa. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County)?
The most popular departure times for flights from San Luis Obispo, CA (SBP) to Santa Rosa, CA (STS) are in the early morning, from 6am to 9am. About 40% of passengers prefer this time window. Many major carriers, including Alaska Airlines and American Airlines, offer flights during this window. This timing is popular because it allows travelers to arrive at their destination early in the day.
How long does it take to fly from San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County)?
A flight from SBP to STS with a layover takes around 6 hours 30 minutes, with the route covering approximately 256 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County)?
First class seats are offered on the SBP to STS route with American Airlines.
How do I earn miles on a San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County) flight with Expedia?
It's easy to earn miles on a San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Santa Rosa from San Luis Obispo County Regional (SBP)?
From San Luis Obispo County Regional (SBP), you can fly into Sonoma County (STS) to reach Santa Rosa. Some flights may connect through major hubs like San Diego Intl. (SAN), Denver Intl. (DEN), Harry Reid Intl. (LAS) before reaching Santa Rosa. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County) at the last minute?
Typically, booking a last minute flight from San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package?
Securing a San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive 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 Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County)?
If you booked your San Luis Obispo, CA (SBP-San Luis Obispo County Regional) to Santa Rosa, CA (STS-Sonoma County) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Luis Obispo County Regional
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$302
Distance
255 mi

Book with confidence

San Luis Obispo to Santa Rosa Flights

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

 

The best time to book a flight from San Luis Obispo to Santa Rosa

Sunday is one of the best days to book for cheap flights from San Luis Obispo 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 San Luis Obispo 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 San Luis Obispo to Santa Rosa in 2026. You can also book with separate airlines for your outbound and return journeys, from $192 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 San Luis Obispo 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 San Luis Obispo 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.

 

San Luis Obispo to Santa Rosa Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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