St Louis to Austin (STL–AUS) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
STL–AUS is served by 2 airlines with nonstop service. Southwest Airlines and Sun Country Airlines lead the route. The flight covers 722 miles in approximately 2h. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| WN Southwest Airlines | 36 | 737, 73H, 7M8, 7S7 | 1h51-2h | – | – | |
| SY Sun Country Airlines | 0 | – | – | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Austin from St Louis
| Metric | STL→AUS | SPI→AUS | COU→AUS |
|---|---|---|---|
| Distance from STL | – | 84 mi | 100 mi |
| Nonstop airlines | 2 | 1 | 3 |
| Weekly flights | 37 | 1 | – |
| Flight time | 2h | 1h 52m | 1h 32m |
| Departure OTP | 72% | – | – |
Travel Essentials
STL: CDT · AUS: CDT
When it's 6:00 PM in St Louis, it's 6:00 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 and Sun Country Airlines. With 37 weekly departures, this is a heavily served route.
STL to AUS Flight Duration and Schedule
Nonstop flight time from STL to AUS is about 2 hours gate to gate. The route covers a distance of 722 miles (1,161 km). There are approximately 37 weekly flights outbound and 33 return, totaling 70 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Dallas Love Field, Dallas Fort Worth and William P. Hobby. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Springfield (SPI) and Columbia (COU).