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Uncover the best deals on St Louis to Austin flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest STL - AUS Flights
Useful information for finding best airline tickets from Lambert St Louis International to Austin Bergstrom International on your next trip.
Cheapest Round Trip Flight
$237
Southwest Airlines
• nonstop
• 3h 25m
Oct 22 – Oct 26
The cheapest round trip flight from St Louis to Austin (STL-AUS-STL) is currently $237
Cheapest Direct Flight
$237
Southwest Airlines
• nonstop
• 3h 25m
Oct 22
The cheapest nonstop flight from St Louis to Austin (STL-AUS) is currently $237
Fastest Flight
3h 25m
The fastest nonstop flight from St Louis to Austin (STL-AUS) takes 3h 25m
Latest Flight Deals from St Louis (STL) to Austin (AUS)
Compare and book low fare round-trip air tickets from St Louis to Austin. Ideal for travelers with confirmed return itineraries.
Oct 22 - Oct 26, Economy
St Louis → Austin
3h 25m
12:50 PM - 2:55 PM • nonstop
St Louis → Austin
3h 25m
7:35 AM - 9:40 AM • nonstop
Southwest Airlines
Oct 22 - Oct 26, Economy
St Louis → Austin
3h 25m
8:35 AM - 10:40 AM • nonstop
St Louis → Austin
7h 25m
7:50 PM - 12:35 AM • 1 stop
Southwest Airlines
Oct 22 - Oct 26, Economy
St Louis → Austin
3h 25m
9:45 PM - 11:50 PM • nonstop
St Louis → Austin
7h 20m
4:15 PM - 8:55 PM • 1 stop
Southwest Airlines
Oct 22 - Oct 26, Economy
St Louis → Austin
8h 50m
10:14 AM - 3:44 PM • 1 stop
St Louis → Austin
9h 17m
12:18 PM - 6:15 PM • 1 stop
Delta Airlines
Oct 22 - Oct 26, Economy
St Louis → Austin
10h 3m
2:25 PM - 8:28 PM • 1 stop
St Louis → Austin
8h 25m
8:15 AM - 1:20 PM • 1 stop
Delta Airlines
Looking for the fastest way to Austin? These direct flight options from STL to AUS offer both convenience and value—no layovers, just straight to your destination.
Oct 22 - Oct 26, Economy
St Louis → Austin
3h 25m
12:50 PM - 2:55 PM • nonstop
St Louis → Austin
3h 25m
7:35 AM - 9:40 AM • nonstop
Southwest Airlines
Oct 22 - Oct 26, Economy
St Louis → Austin
3h 25m
8:35 AM - 10:40 AM • nonstop
St Louis → Austin
3h 25m
5:00 PM - 7:05 PM • nonstop
Southwest Airlines
Oct 22 - Oct 26, Economy
St Louis → Austin
3h 25m
5:35 PM - 7:40 PM • nonstop
St Louis → Austin
3h 25m
1:40 PM - 3:45 PM • nonstop
Southwest Airlines
Oct 22 - Oct 26, Economy
St Louis → Austin
3h 25m
9:45 PM - 11:50 PM • nonstop
St Louis → Austin
3h 25m
5:00 PM - 7:05 PM • nonstop
Southwest Airlines
Nov 22 - Nov 26, Economy
St Louis → Austin
3h 25m
9:50 PM - 11:55 PM • nonstop
St Louis → Austin
3h 25m
6:55 AM - 9:00 AM • nonstop
Southwest Airlines
FAQs on St Louis to Austin Flights
What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to AUS?
The most popular airline flying from St Louis to Austin are
Can I fly from STL to AUS non-stop?
Yes, you can fly STL to AUS non-stop on
Which airlines fly nonstop between St Louis and Austin?
The non-stop flights between St Louis and Austin are .
What’s the earliest departure time from STL to AUS Airport?
The earliest flight leaves STL at 8:35 am and lands in AUS - Austin Bergstrom International
What are the airports in Austin?
AUS
Can I make changes to my St Louis to Austin flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from STL to AUS?
Read the fare rules of the St Louis to Austin air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from St Louis and Austin?
operate flights between St Louis and Austin
How long does a flight from St Louis to Austin take?
It takes approximately 2 hour to fly non-stop from STL to AUS, which is 721.44 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to Austin (AUS) ?
In the past couple of days, the cheapest tickets to AUS from STL were found on WN : USD 237
Do I need a passport to fly between STL and AUS?
No
What’s the latest departure time from STL to AUS ?
The last flight leaves STL at 9:50 pm
St Louis (STL) to Austin (AUS): Airport Information
| Origin Airport | Lambert St Louis International , St Louis, US |
| Destination Airport | Austin Bergstrom International , Austin, US |
| Distance | 721 miles |
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