$112 Cheap Flights from Santa Rosa (STS) to Austin (AUS)

View $112 flight on Sat, Jan 31, 2026Opens in a new window

Popular airlines from Santa Rosa, CA (STS-Sonoma County) to Austin-Bergstrom Intl. Airport (AUS)

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Cheap Flights from Santa Rosa to Austin (STS-AUS)

Prices were available within the past 7 days and start at $112 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Jan 31 - Sat, Feb 7
STS
Santa Rosa
AUS
Austin
$224 Roundtrip, found 4 days ago
$224
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Santa Rosa to Austin, returning Sat, Feb 7, priced at $224 found 4 days ago
Alaska Airlines
Sat, Jan 31 - Sat, Feb 7
STS
Santa Rosa
AUS
Austin
$229 Roundtrip, found 4 days ago
$229
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Santa Rosa to Austin, returning Sat, Feb 7, priced at $229 found 4 days ago
Alaska Airlines
Sat, Jan 31 - Mon, Feb 2
STS
Santa Rosa
AUS
Austin
$230 Roundtrip, found 4 days ago
$230
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Santa Rosa to Austin, returning Mon, Feb 2, priced at $230 found 4 days ago
Alaska Airlines
Sat, Jan 31 - Mon, Feb 2
STS
Santa Rosa
AUS
Austin
$235 Roundtrip, found 4 days ago
$235
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Santa Rosa to Austin, returning Mon, Feb 2, priced at $235 found 4 days ago
Alaska Airlines
Sat, Jan 31 - Sat, Feb 7
STS
Santa Rosa
AUS
Austin
$237 Roundtrip, found 4 days ago
$237
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Santa Rosa to Austin, returning Sat, Feb 7, priced at $237 found 4 days ago
Alaska Airlines
Mon, Dec 15 - Wed, Jan 7
STS
Santa Rosa
AUS
Austin
$239 Roundtrip, found 3 days ago
$239
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Dec 15 from Santa Rosa to Austin, returning Wed, Jan 7, priced at $239 found 3 days ago
Alaska Airlines
Sat, Jan 31 - Sat, Feb 7
STS
Santa Rosa
AUS
Austin
$242 Roundtrip, found 4 days ago
$242
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Santa Rosa to Austin, returning Sat, Feb 7, priced at $242 found 4 days ago
Hawaiian Airlines
Tue, Nov 18 - Wed, Nov 19
STS
Santa Rosa
AUS
Austin
$250 Roundtrip, found 2 days ago
$250
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Nov 18 from Santa Rosa to Austin, returning Wed, Nov 19, priced at $250 found 2 days ago
American Airlines
Sat, Jan 31 - Sat, Feb 7
STS
Santa Rosa
AUS
Austin
$271 Roundtrip, found 4 days ago
$271
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Jan 31 from Santa Rosa to Austin, returning Sat, Feb 7, priced at $271 found 4 days ago
Southwest Airlines
Thu, Apr 16 - Tue, Apr 21
STS
Santa Rosa
AUS
Austin
$479 Roundtrip, found 1 day ago
$479
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Thu, Apr 16 from Santa Rosa to Austin, returning Tue, Apr 21, priced at $479 found 1 day ago

Find the cheapest month to fly from Santa Rosa (STS) to Austin (AUS)

January is typically the cheapest month to fly

From $249 - $575 per traveler.

Frequently asked questions

How much does a flight from Sonoma County Airport (STS) to Austin-Bergstrom Intl. Airport (AUS) cost?
Lock in a cheap one-way flight from $112 or cheap return flight from $224 from Sonoma County Airport (STS) to Austin-Bergstrom Intl. Airport (AUS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Sonoma County Airport (STS) to Austin-Bergstrom Intl. Airport (AUS)?
Planning your getaway for January is a good way to save, as it's the cheapest month for flights between STS and AUS. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Sonoma County Airport (STS) to Austin-Bergstrom Intl. Airport (AUS)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from STS to AUS. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Sonoma County Airport (STS) to Austin-Bergstrom Intl. Airport (AUS)?
Direct flights from Sonoma County Airport (STS) to Austin-Bergstrom Intl. Airport (AUS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STS to AUS?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sonoma County Airport (STS) to Austin-Bergstrom Intl. Airport (AUS)?
Choose a flight from Sonoma County Airport (STS) to Austin-Bergstrom Intl. Airport (AUS) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**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 Sonoma County Airport (STS) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Last-minute fares from STS to AUS are typically more expensive. To secure the best prices, start searching for flights well ahead of time. That said, if you're flexible with your travel dates, it's possible to find a cheap fare right before your journey.
Is it cheaper to book a STS to AUS flight and hotel package?
Opting for a STS to AUS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our wide range of accommodations 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 Sonoma County Airport (STS) to Austin-Bergstrom Intl. Airport (AUS)?
You can usually reschedule or cancel your STS to AUS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Sonoma County
Destination airport
Austin-Bergstrom Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$224
Distance
1538 mi

Book with confidence

Santa Rosa to Austin Flights

The cheapest times to fly from Santa Rosa to Austin

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 Santa Rosa to Austin are during the month of January. You can find some of the cheapest flights from Santa Rosa to Austin with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Santa Rosa to Austin: 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 Santa Rosa to Austin

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 Santa Rosa to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $112 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 Santa Rosa to Austin 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 Santa Rosa to Austin 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.

 

Santa Rosa to Austin Flights

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*Available to One Key members.