Cheap Flight Tickets from St Louis (STL) to Austin (AUS), Starting at $415

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

$420

WN Southwest Airlines • 1 stop • 8h 35m

Nov 26 – Nov 30

The cheapest round trip flight from St Louis to Austin (STL-AUS-STL) is currently $420

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Cheapest Direct Flight

$415

WN Southwest Airlines • nonstop • 3h 30m

Nov 26

The cheapest nonstop flight from St Louis to Austin (STL-AUS) is currently $415

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Fastest Flight

3h 25m

The fastest nonstop flight from St Louis to Austin (STL-AUS) takes 3h 25m

Top Airlines Flying from St Louis to Austin

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

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.

Nov 26 - Nov 30, Economy
WN
St Louis → Austin
8h 35m
7:40 AM - 12:55 PM • 1 stop
WN
St Louis → Austin
6h 45m
3:05 PM - 7:10 PM • 1 stop
$420
Southwest Airlines
Nov 26 - Nov 30, Economy
WN
St Louis → Austin
6h 55m
6:40 AM - 10:55 AM • 1 stop
WN
St Louis → Austin
6h 45m
3:05 PM - 7:10 PM • 1 stop
$420
Southwest Airlines
Nov 27 - Dec 01, Economy
WN
St Louis → Austin
8h 45m
8:25 AM - 1:50 PM • 1 stop
WN
St Louis → Austin
7h 25m
4:25 PM - 9:10 PM • 1 stop
$464
Southwest Airlines
Nov 26 - Nov 30, Economy
WN
St Louis → Austin
10h 15m
5:45 AM - 12:00 PM • 1 stop
WN
St Louis → Austin
3h 30m
5:00 PM - 7:10 PM • nonstop
$480
Southwest Airlines
Nov 27 - Dec 01, Economy
WN
St Louis → Austin
8h 45m
7:15 PM - 12:40 AM • 1 stop
WN
St Louis → Austin
10h 5m
7:15 AM - 1:20 PM • 1 stop
$493
Southwest Airlines
Nov 27 - Dec 01, Economy
WN
St Louis → Austin
3h 25m
9:50 PM - 11:55 PM • nonstop
WN
St Louis → Austin
5h 50m
1:35 PM - 5:25 PM • 1 stop
$552
Southwest Airlines

Fly from St Louis to Austin with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from St Louis to Austin? Find the biggest savings on one-way and round-trip tickets right here.

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 5:45 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 493
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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