Direct flights from St Louis to Austin STL → AUS
Southwest Airlines operates nonstop flights from St Louis (STL) to Austin (AUS). The nonstop flight takes around ~1h 27m, covering 721 miles (1,161 km). Updated 28 June 2026.
STL
→
AUS
Round trip
1 adult
Economy
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Frequently asked questions
Is there a direct flight from St Louis to Austin?
Yes, Southwest Airlines operates nonstop flights from St Louis (STL) to Austin (AUS).
Which airlines fly direct from St Louis to Austin?
Southwest Airlines operates nonstop flights from St Louis to Austin.
How long is the flight from St Louis to Austin?
The nonstop flight from St Louis to Austin takes ~1h 27m (approximately 1161 km).