Direct flights from St. Louis to Austin
18 nonstop flights a week on 1 airline. Zero layovers — one hop from STL to AUS.
Flight time: about 1h43m nonstop
Which days does it fly?
When does it fly?
Departure times in St. Louis local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Southwest SWA2158 | 8:32a | 1h47m | Sat |
| Southwest SWA2158 | 8:40a | 1h41m | Mon–Tue |
| Southwest SWA4458 | 8:45a | 1h53m | Thu |
| Southwest SWA3710 | 8:52a | 1h36m | Sun |
| Southwest SWA2158 | 9:17a | 1h43m | Fri |
| Southwest SWA2158 | 9:42a | 1h43m | Wed |
| Southwest SWA3173 | 1:56p | 2h2m | Thu |
| Southwest SWA661 | 2:19p | 1h40m | Sun |
| Southwest SWA2535 | 3:58p | 1h38m | Fri |
| Southwest SWA2535 | 4:12p | 1h46m | Thu |
| Southwest SWA2535 | 4:21p | 1h39m | Mon |
| Southwest SWA1638 | 8:57p | 1h40m | Mon |
| Southwest SWA1638 | 9:12p | 1h41m | Sun |
| Southwest SWA3803 | 9:30p | 1h41m | Tue |
| Southwest SWA1638 | 9:33p | 1h43m | Thu |
| Southwest SWA3803 | 9:46p | 1h50m | Wed |
| Southwest SWA1638 | 9:56p | 1h51m | Fri |
Southwest
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The route
One hop: STL → AUSDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from St. Louis (STL) to Austin (AUS)
St. Louis Lambert International Airport (STL) has 18 nonstop flights a week to Austin (AUS), operated by Southwest. No layovers, no connections — one hop out of STL and you're there.
This route flies every day of the week, so any travel day works. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from St. Louis to Austin?
The nonstop flight from St. Louis (STL) to Austin (AUS) takes about 1h43m in the air, based on recently observed nonstop departures.
How long does it take to drive from St. Louis to Austin?
Driving from St. Louis to Austin takes about 12h 37m, covering roughly 825 miles. The nonstop flight takes about 1h43m.