$139 Cheap Flights from Santa Rosa (STS) to Austin (AUS)

View $139 flight on Tue, Sep 30, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $139 for one-way flights and $279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Oct 28 - Tue, Nov 4
STS
Santa Rosa
AUS
Austin
$279 Roundtrip, found 3 days ago
$279
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Oct 28 from Santa Rosa to Austin, returning Tue, Nov 4, priced at $279 found 3 days ago
Hawaiian Airlines
Wed, Nov 19 - Sat, Dec 6
STS
Santa Rosa
AUS
Austin
$290 Roundtrip, found 3 days ago
$290
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Nov 19 from Santa Rosa to Austin, returning Sat, Dec 6, priced at $290 found 3 days ago
Alaska Airlines
Fri, Oct 31 - Wed, Nov 5
STS
Santa Rosa
AUS
Austin
$292 Roundtrip, found 17 hours ago
$292
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Fri, Oct 31 from Santa Rosa to Austin, returning Wed, Nov 5, priced at $292 found 17 hours ago
Hawaiian Airlines
Tue, Oct 14 - Tue, Oct 21
STS
Santa Rosa
AUS
Austin
$296 Roundtrip, found 5 days ago
$296
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Oct 14 from Santa Rosa to Austin, returning Tue, Oct 21, priced at $296 found 5 days ago
Alaska Airlines
Wed, Nov 5 - Sat, Nov 8
STS
Santa Rosa
AUS
Austin
$298 Roundtrip, found 8 hours ago
$298
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Wed, Nov 5 from Santa Rosa to Austin, returning Sat, Nov 8, priced at $298 found 8 hours ago
Hawaiian Airlines
Fri, Oct 31 - Tue, Nov 4
STS
Santa Rosa
AUS
Austin
$300 Roundtrip, found 3 days ago
$300
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, Oct 31 from Santa Rosa to Austin, returning Tue, Nov 4, priced at $300 found 3 days ago
Alaska Airlines
Sat, Nov 15 - Tue, Nov 18
STS
Santa Rosa
AUS
Austin
$302 Roundtrip, just found
$302
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Nov 15 from Santa Rosa to Austin, returning Tue, Nov 18, priced at $302 just found
Alaska Airlines
Wed, Nov 5 - Wed, Nov 12
STS
Santa Rosa
AUS
Austin
$306 Roundtrip, found 2 days ago
$306
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Nov 5 from Santa Rosa to Austin, returning Wed, Nov 12, priced at $306 found 2 days ago
Hawaiian Airlines
Sat, Nov 22 - Sat, Dec 6
STS
Santa Rosa
AUS
Austin
$310 Roundtrip, found 3 days ago
$310
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, Nov 22 from Santa Rosa to Austin, returning Sat, Dec 6, priced at $310 found 3 days ago
American Airlines
Sat, Nov 15 - Tue, Nov 18
STS
Santa Rosa
AUS
Austin
$509 Roundtrip, just found
$509
Roundtrip
just found
Select American Airlines flight, departing Sat, Nov 15 from Santa Rosa to Austin, returning Tue, Nov 18, priced at $509 just found

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

January is typically the cheapest month to fly

From $249 - $578 per traveler.

Alternative airports near Austin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $463
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $463
Flights from Santa Rosa (STS) to Austin (AUS)
Origin airport
Sonoma County
Destination airport
Austin-Bergstrom Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$278
Distance
1538 mi

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 October. 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 $139 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.

 

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 $139 or cheap return flight from $279 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 October 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.

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*Available to One Key members.