Austin to St Louis
AUSSTL
Fly from Austin to St Louis starting at SAR 634 with F9.
Best fare available on May 14, 2026.
Limited seats. Better plans. Book before it's gone.
Austin to St Louis cheapest flights this week
14 May
F9
22:42AUS
20:23STL
1 StopSAR 634VIEW DEAL
15 May
F9
11:30AUS
00:21STL
1 StopSAR 634VIEW DEAL
Austin to St Louis monthly flight fare trend
May
from SAR 634
Jun
No flights
Jul
No flights
Aug
No flights
Sep
No flights
Oct
No flights
Airport Details
Origin
Austin
Austin Bergstrom International Airport (AUS)
Austin, AUS
Zone
Chicago
Elev
542 ft
Destination
St Louis
St. Louis Lambert International Airport (STL)
St Louis, STL
Zone
Chicago
Elev
618 ft
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