Cheap Flight Tickets from Austin (AUS) to St Louis (STL), Starting at $265

Good to Know: Cheapest and Fastest AUS - STL Flights

Useful information for finding best airline tickets from Austin Bergstrom International to Lambert St Louis International on your next trip.

Cheapest Round Trip Flight

$658

DL Delta Airlines • 1 stop • 9h

Sep 18 – Sep 20

The cheapest round trip flight from Austin to St Louis (AUS-STL-AUS) is currently $658

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Cheapest Direct Flight

$265

WN Southwest Airlines • nonstop • 3h 25m

Sep 18

The cheapest nonstop flight from Austin to St Louis (AUS-STL) is currently $265

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Fastest Flight

3h 25m

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

Latest Flight Deals from Austin (AUS) to St Louis (STL)

Compare and book low fare round-trip air tickets from Austin to St Louis. Ideal for travelers with confirmed return itineraries.

Sep 18 - Sep 20, Economy
DL
Austin → St Louis
9h
5:15 AM - 10:55 AM • 1 stop
DL
Austin → St Louis
8h 49m
7:00 AM - 12:29 PM • 1 stop
$658
Delta Airlines
Sep 18 - Sep 20, Economy
AS
Austin → St Louis
35h 11m
7:59 PM - 5:10 PM • 2 stops
AS
Austin → St Louis
32h 25m
7:36 PM - 3:21 PM • 1 stop
$1394
Alaska Airlines
Sep 18 - Sep 20, Economy
AS
Austin → St Louis
40h 46m
4:24 PM - 5:10 PM • 2 stops
AS
Austin → St Louis
35h 13m
6:08 PM - 3:21 PM • 2 stops
$1403
Alaska Airlines
Sep 18 - Sep 20, Economy
AS
Austin → St Louis
35h 33m
7:07 PM - 4:40 PM • 2 stops
AS
Austin → St Louis
18h 55m
6:29 AM - 6:04 PM • 1 stop
$1410
Alaska Airlines
Sep 18 - Sep 20, Economy
AS
Austin → St Louis
23h 37m
7:07 PM - 9:24 AM • 2 stops
AS
Austin → St Louis
35h 13m
6:08 PM - 3:21 PM • 2 stops
$1449
Alaska Airlines
Sep 18 - Sep 20, Economy
AS
Austin → St Louis
40h 54m
8:30 AM - 9:24 AM • 2 stops
AS
Austin → St Louis
35h 13m
6:08 PM - 3:21 PM • 2 stops
$1449
Alaska Airlines

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

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

FAQs on Austin to St Louis Flights

What are the airports in Austin?
AUS
What’s the most popular airline flying from AUS to STL?
The most popular airline flying from Austin to St Louis are
Can I fly from AUS to STL non-stop?
Yes, you can fly AUS to STL non-stop on
Which airlines fly nonstop between Austin and St Louis?
The non-stop flights between Austin and St Louis are .
What’s the earliest departure time from AUS to STL Airport?
The earliest flight leaves AUS at 5:15 am and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Austin to St Louis 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 AUS to STL?
Read the fare rules of the Austin to St Louis 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 Austin and St Louis?
operate flights between Austin and St Louis
How long does a flight from Austin to St Louis take?
It takes approximately 2 hour to fly non-stop from AUS to STL, which is 721.44 miles by air.
Which airlines provide the cheapest flights from Austin (AUS) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from AUS were found on AS : USD 1403
Do I need a passport to fly between AUS and STL?
No
What’s the latest departure time from AUS to STL ?
The last flight leaves AUS at 7:59 pm

Austin (AUS) to St Louis (STL): Airport Information

Origin Airport Austin Bergstrom International , Austin, US
Destination Airport Lambert St Louis International , St Louis, US
Distance 721 miles

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