Austin to St Louis
AUSSTL
Fly from Austin to St Louis starting at USD 191 with Frontier Airlines.
Best fare available on Jul 7, 2026.
Limited seats. Better plans. Book before it's gone.
Austin to St Louis cheapest flights this week
Austin to St Louis monthly flight fare trend
Jul
from USD 191
Aug
No flights
Sep
No flights
Oct
No flights
Nov
No flights
Dec
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
Flights from Austin
Flights from Austin to AtlantaFlights from Austin to BostonFlights from Austin to CharlotteFlights from Austin to DenverFlights from Austin to DallasFlights from Austin to DetroitFlights from Austin to NewarkFlights from Austin to Fort LauderdaleFlights from Austin to HonoluluFlights from Austin to Washington
