Lowest Prices
Uncover the best deals on Austin to St Louis flights by comparing fares from hundreds of airlines and agencies.
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
$368
Southwest Airlines
• 1 stop
• 8h 40m
Jul 02 – Jul 05
The cheapest round trip flight from Austin to St Louis (AUS-STL-AUS) is currently $368
Cheapest Direct Flight
$369
Southwest Airlines
• nonstop
• 3h 20m
Jul 02
The cheapest nonstop flight from Austin to St Louis (AUS-STL) is currently $369
Fastest Flight
3h 20m
The fastest nonstop flight from Austin to St Louis (AUS-STL) takes 3h 20m
Top Airlines Flying from Austin to St Louis
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.
Jul 02 - Jul 05, Economy
Austin → St Louis
8h 40m
6:35 PM - 11:55 PM • 1 stop
Austin → St Louis
7h 30m
11:45 AM - 4:35 PM • 1 stop
Southwest Airlines
Jul 02 - Jul 05, Economy
Austin → St Louis
9h 15m
6:45 PM - 12:40 AM • 1 stop
Austin → St Louis
6h 50m
6:00 AM - 10:10 AM • 1 stop
Southwest Airlines
Jul 02 - Jul 05, Economy
Austin → St Louis
9h 5m
1:25 PM - 7:10 PM • 1 stop
Austin → St Louis
5h 50m
8:25 AM - 12:15 PM • 1 stop
Southwest Airlines
Jul 02 - Jul 05, Economy
Austin → St Louis
9h 10m
4:05 PM - 9:55 PM • 1 stop
Austin → St Louis
5h 50m
8:25 AM - 12:15 PM • 1 stop
Southwest Airlines
Jul 02 - Jul 05, Economy
Austin → St Louis
3h 20m
7:15 AM - 9:15 AM • nonstop
Austin → St Louis
3h 20m
5:15 PM - 7:15 PM • nonstop
Southwest Airlines
Looking for the fastest way to St Louis? These direct flight options from AUS to STL offer both convenience and value—no layovers, just straight to your destination.
Jul 02 - Jul 05, Economy
Austin → St Louis
3h 20m
7:15 AM - 9:15 AM • nonstop
Austin → St Louis
3h 20m
5:15 PM - 7:15 PM • nonstop
Southwest Airlines
Jul 02 - Jul 05, Economy
Austin → St Louis
3h 25m
5:10 PM - 7:15 PM • nonstop
Austin → St Louis
3h 20m
8:25 AM - 10:25 AM • nonstop
Southwest Airlines
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 7:15 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 WN : USD 369
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 6:45 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 |
More Flight Options for Austin (AUS) and St Louis (STL)
Flights from Austin (AUS)
to Los Angeles (LAX)
Flights from Austin (AUS)
to Atlanta (ATL)
Flights from Austin (AUS)
to Las Vegas (LAS)
Flights from Austin (AUS)
to Denver (DEN)
Flights from Austin (AUS)
to Jacksonville (JAX)
Flights from Austin (AUS)
to Orlando (MCO)
Flights from Austin (AUS)
to San Francisco (SFO)
Flights from Austin (AUS)
to Raleigh/Durham (RDU)
Flights from Austin (AUS)
to New York (NYC)
Flights from Austin (AUS)
to El Paso (ELP)
Flights from Austin (AUS)
to Sacramento (SMF)
Flights from Austin (AUS)
to Chicago (ORD)
Flights from Austin (AUS)
to Washington (DCA)
Flights from Austin (AUS)
to Ontario (ONT)
Flights from Austin (AUS)
to Ontario (ONT)
Flights from Austin (AUS)
to Kansas City (MCI)
Flights from Austin (AUS)
to Miami (MIA)
Flights from Austin (AUS)
to San Juan (SJU)
Flights from Austin (AUS)
to Phoenix (PHX)
Flights from Austin (AUS)
to Newark (EWR)
Flights from Philadelphia (PHL)
to St Louis (STL)
Flights from Detroit (DTW)
to St Louis (STL)
Flights from Phoenix (PHX)
to St Louis (STL)
Flights from Dallas (DAL)
to St Louis (STL)
Flights from Hartford (BDL)
to St Louis (STL)
Flights from Houston (HOU)
to St Louis (STL)
Flights from Las Vegas (LAS)
to St Louis (STL)
Flights from Omaha (OMA)
to St Louis (STL)
Flights from San Antonio (SAT)
to St Louis (STL)
Flights from El Paso (ELP)
to St Louis (STL)
Flights from Des Moines (DSM)
to St Louis (STL)
Flights from Raleigh/Durham (RDU)
to St Louis (STL)
Flights from Orlando (MCO)
to St Louis (STL)
Flights from Dallas (DFW)
to St Louis (STL)
Flights from Nashville (BNA)
to St Louis (STL)
Flights from Washington (DCA)
to St Louis (STL)
Flights from Memphis (MEM)
to St Louis (STL)
Flights from Pensacola (PNS)
to St Louis (STL)
Flights from Sacramento (SMF)
to St Louis (STL)
Flights from Austin (AUS)
to St Louis (STL)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to Texas (US-TX)
Cheap flights to Missouri (US-MO)
Cheap flights from North America (NA)
Cheap flights from United States (US)
Cheap flights from Texas (US-TX)
Cheap flights from Missouri (US-MO)
Flights to Austin (AUS)
Flights to St Louis (STL)
Flights from Austin (AUS)
Flights from St Louis (STL)
Flights from St Louis (STL)
to Austin (AUS)
Why Fareleaders for AUS to STL Plane Tickets
New Deals Everyday
Get the best prices on AUS to STL flights—we update our fares daily so you never miss a saving.
No Service Fees
Compare hundreds of Austin to St Louis flights and secure the best deals—we never add any service fees.