St Louis to Austin (STL–AUS) — Airlines, Schedules & Connections
No flights match your filters.
No nonstop flights on this route. connecting options below.
STL–AUS is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 722 miles in approximately 2h 10m. Beyond nonstop, 87 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| WN Southwest Airlines | 41 | 738, 73H, 7S7 | 2h10-2h15 | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
STL: EDT · AUS: MDT
When it's 6:00 PM in St Louis, it's 4:00 PM in Austin.
CapMetro Route 20 to downtown Congress Ave costs $1.25 and takes 30–35 minutes. Buses depart from outside the terminal on the lower level. Last bus around midnight; late arrivals need a ride-share.Uber and Lyft pickup is on the lower level (follow signs to TNCs). Fares run $20–30 to downtown, 15–20 minutes off-peak. Taxis at the curb: $30–40. Rental car desks are in the main terminal; the QTA (Quick Turnaround Area) is a short shuttle ride. Afternoon and evening arrivals may face longer drive times due to city congestion.
Humid subtropical climate with hot summers. July and August average 36–38°C with heat indices that can reach 43°C. Winter (December–February) is generally mild at 7–17°C. Austin is vulnerable to rare but severe ice storms. Winter Storm Uri (2021) is the benchmark for worst-case disruption, and they can paralyze the city and airport.
Severe thunderstorms peak April through May with hail and tornado risk. Spring storm systems can cause significant ground delays. October and November are the most reliably stable months.
STL–AUS Quick Facts
Frequently Asked Questions
Flights from STL to AUS
St. Louis Lambert International Airport (STL) and Austin Bergstrom International Airport (AUS) are connected by nonstop service from Southwest Airlines. With 41 weekly departures, this is a heavily served route.
STL to AUS Flight Duration and Schedule
Nonstop flight time from STL to AUS ranges from 2 hours 10 minutes to 2 hours 15 minutes. The route covers a distance of 722 miles (1,161 km). There are approximately 41 weekly flights outbound and 41 return, totaling 82 flights per week in both directions.
Connecting Options and Alternatives
87 one-stop connections are available, with the fastest taking approximately 4 hours via SAT. Two-stop connections are also available via intermediate hubs.