Flights operate between St Louis (STL) and Austin (AUS).
1 airline operates this route with 2-6 flights daily flights.
Average flight time is 2h 00m - 2h 20m.
Route distance is 725 miles (1167 km).
Route Distance
725 miles (1167 km)
Average Duration
2h 00m - 2h 20m
Airlines Operating This Route
Southwest Airlines
Flight Frequency
Daily Flights
2-6 flights
Weekly Flights
24
Typical Departure Time Ranges
Earliest Departure
09:50
Latest Departure
22:45
Route Intelligence Dashboard
Overall Connectivity Score
70
GoodRoute Diversity
1
Direct Routes
Southwest Airlines serves 1 destination from STL
Weekly Frequency
21
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| STL → Austin (AUS) (AUS) | 21/week | 2h 00m - 2h 20m | 725 km | Moderate |
Flight Schedule & Filters
Southwest Airlines flights from Saint Louis (STL) to Austin (AUS)
Southwest Airlines operates scheduled nonstop flights between Saint Louis (STL) and Austin (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)
Saint Louis (STL)
US
Austin (AUS)
US
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 Terminal Information & Contact
Departure Terminal - Saint Louis (STL)
Terminal: 2
Phone: 800-435-9792
Location: 2, St Louis, US
Arrival Terminal - Austin (AUS)
Terminal: 1
Phone: 800-435-9792
Location: 1, Austin, US
Southwest Airlines Flight Schedule from Saint Louis (STL) to Austin (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
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Southwest Airlines Terminal Information
Departure Terminal at Saint Louis (STL):
• Terminal : Southwest Airlines operates from this terminal
Terminal 2:
• Southwest Airlines Terminal Phone: 800-435-9792
Arrival Terminal at Austin (AUS):
• Terminal : Southwest Airlines operates from this terminal
Terminal 1:
• Southwest Airlines Terminal Phone: 800-435-9792
Weather & Climate at Austin (AUS)
21.7°C
Avg Temperature81mm
Avg Rainfall13.5km/h
Avg Wind Speed65%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to Austin (AUS)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Peak Travel Months
Expect higher prices and more crowds during these months. Book early to secure better rates.
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Flight Price Trends for Austin (AUS)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Most Expensive Months
Prices are typically highest during these months. Consider booking well in advance or choosing alternative dates.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Best Months to Fly Southwest Airlines to Austin (AUS)
Best Months
Optimal conditions for travel with favorable weather, prices, and availability.
Shoulder Season
Transition periods with moderate conditions. Good balance of price and experience.
Challenging Months
These months may have less favorable conditions. Plan accordingly and book early.
Seasonal Insight
Best travel months: 2025-06, 2025-09
Seasonal Travel Calendar
Southwest Airlines Contact Information and Customer Services
Southwest Airlines Address
2702 Love Field Dr
Dallas, TX 75235, US
Customer Service Phone
800-435-9792Official Website
southwest.com/Frequently Asked Questions
How many Southwest Airlines flights operate from St Louis (STL) to Austin (AUS)?
Southwest Airlines operates 3 flights from St Louis (STL) to Austin (AUS).
What city does Austin (AUS) airport serve?
Austin (AUS) airport serves Austin, US.
How long is the Southwest Airlines flight from St Louis (STL) to Austin (AUS)?
The flight duration is approximately 2h 00m - 2h 20m.
What is the distance from St Louis (STL) to Austin (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.
Which terminal does Southwest Airlines use at St Louis (STL)?
Southwest Airlines flights from St Louis (STL) depart from Terminal 2. Terminal 2 phone: 800-435-9792.
View all Southwest Airlines flights to St Louis (STL) →
Popular Southwest Airlines routes from St Louis include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.