Southwest Airlines flights from STL to AUS
Find comprehensive Southwest Airlines flight information, schedules, and booking details for direct flights from STL to AUS. Southwest Airlines operates 2-6 flights daily flights on this route.• Flight Duration: 2h 00m - 2h 20m (average flight time)• Distance: 725 miles (1167 km) (air miles between airports)• Daily Flights: 2-6 flights (scheduled departures per day)
STL
AUS
FLIGHT TIME
2h 00m - 2h 20m
FLIGHT DISTANCE
725 miles (1167 km)
2h 10m - 2h 15m
09:50
22:45
725 miles (1167 km)
April
1 (Show)
24
Southwest Airlines Flight Schedule from STL to AUS
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN2848 |  Southwest Airlines | 09:50 | 12:05:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
WN1353 | Southwest Airlines | 15:00 | 17:10:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
WN4420 | Southwest Airlines | 22:45 | 00:55:00 | Boeing 737MAX 8 Passenger |
Southwest Airlines Monthly Flight Calendar
December 2025
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 2h 00m - 2h 20m.
Pricing patterns: April typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 9:00, 15:00, 22:00, offering more flight options and potentially better connections.
STL - AUS flight price statistics
$339
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$404
Jan$291
Feb$210
Mar$166
Apr$180
May$326
Jun$180
Jul$274
Aug$298
Sep$380
Oct$387
Nov$968
DecSouthwest Airlines Terminal Information
Terminal information for Southwest Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Southwest Airlines Flights
How many Southwest Airlines flights operate from STL to AUS?
Southwest Airlines operates 3 flights from STL to AUS.
What city does AUS airport serve?
AUS airport serves Austin.
How long is the Southwest Airlines flight from STL to AUS?
The flight duration is approximately 2h 00m - 2h 20m.
What is the distance from STL to AUS?
The distance is 725 miles (1167 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737-700 (winglets) Passenger/BBJ1, Boeing 737-800 (winglets) Passenger/BBJ2, Boeing 737MAX 8 Passenger on this route.
What are the earliest and latest Southwest Airlines flight departure times?
The earliest Southwest Airlines flight departs at 09:50 and the latest departs at 22:45.
What is the cheapest month to fly Southwest Airlines from STL to AUS?
April is typically the cheapest month to fly Southwest Airlines on this route.
What is the average price for a Southwest Airlines flight from STL to AUS?
The average price for a round-trip Southwest Airlines flight on this route is approximately $339. Prices can vary based on booking time and demand.
How many Southwest Airlines flights operate per week on this route?
Southwest Airlines operates approximately 24 flights per week from STL to AUS.