Direct Flights from STL to AUS: Discover Austin's Live Music Scene
Cheapest flight found
$129
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: STL → AUS
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$129
Highest Fare
$190
Median Fare
$180
Price Spread
$61
Prices fluctuate moderately — tracking can help you catch dips.
Cheapest month to fly: May 2026 (from $129)
Most expensive month: April 2026 (from $190)
Biggest price drop caught: $26 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from St. Louis to Austin range from $129 to $190, a $61 spread across the months we track. If your dates are flexible, May 2026 tends to have the lowest fares. Prices move enough that tracking can save you money — drops often last only a few hours before the algorithm adjusts back up. We have caught drops as large as $26 between hourly checks on this route.
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From
St. Louis (STL)
To
Austin (AUS)
Airport Information
St. Louis (STL)
St. Louis Lambert International Airport (STL) serves as the primary international gateway for the Greater St. Louis area and is located just northwest of downtown. Known for its iconic Minoru Yamasaki-designed terminal with its soaring arches, the airport offers a mix of historic architecture and modern amenities. It serves as a key base for several major carriers and provides numerous dining options featuring local favorites like toasted ravioli.
Austin (AUS)
Austin-Bergstrom International Airport (AUS) is located about five miles southeast of downtown Austin on the site of the former Bergstrom Air Force Base. It is famous for its live music stages within the terminal, where local musicians perform for arriving passengers. The airport is highly efficient but can get very crowded during festival seasons, offering a wide array of local food, craft beer, and unique Texas-themed retail shops.
Frequently Asked Questions
How long is the flight from STL to AUS?
Non-stop flights usually take around 2 hours and 10 minutes, covering a flight distance of approximately 770 miles.
Which airlines fly non-stop from St. Louis to Austin?
Southwest Airlines is the primary carrier offering direct, non-stop service between St. Louis Lambert and Austin-Bergstrom.
Is there a time difference between St. Louis and Austin?
No, both cities are located within the Central Time Zone (CT), so you will not need to adjust your watch upon arrival.
What is the best way to get from Austin Airport to downtown?
You can use ride-sharing services like Uber or Lyft, take the CapMetro Route 20 bus for a budget-friendly option, or rent a car at the consolidated rental facility.
How early should I arrive at STL for my flight to Austin?
It is generally recommended to arrive at least two hours before your scheduled departure to allow enough time for check-in and security screening.
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