Nonstop flights from St. Louis to Austin

Southwest Airlines flies this route 1 to 3 times a day.

STLSt. Louis Lambert International

721 mi · 17 flights a week

AUSAustin-Bergstrom International

STLAUS

When they leave

St. Louis time

8:25a8:50pFirst departure 8:25 AM, last 8:50 PM

Two in the morning, 8:25 AM to 8:30 AM, then two in the afternoon, 1:40 PM to 3:45 PM, then two in the evening, 8:45 PM to 8:50 PM.

Every flight

Earliest first

8:25 AM→10:25 AMSouthwest AirlinesBoeing 737-700Mon, Tue, Wed, Thu, Fri, Sat
8:30 AM→10:30 AMSouthwest AirlinesBoeing 737 MAX 8Sun
1:40 PM→3:40 PMSouthwest AirlinesBoeing 737 MAX 8Sun
3:45 PM→5:45 PMSouthwest AirlinesBoeing 737-700Mon, Thu, Fri
8:45 PM→10:45 PMSouthwest AirlinesBoeing 737Mon, Thu, Fri, Sun
8:50 PM→10:50 PMSouthwest AirlinesBoeing 737Tue, Wed

Schedules last checked Sep 20, 2026. Times are local.

Flying from St. Louis to Austin

Southwest Airlines is the only airline flying nonstop from St. Louis to Austin, 1 to 3 times a day on the Boeing 737, Boeing 737 MAX 8 and Boeing 737-700.

Flights run every day of the week, from 1 on Saturdays to 3 on Mondays, Thursdays, Fridays and Sundays. The first arrival in Austin is at 10:25 AM and the last at 10:50 PM. The flight covers 721 miles.

Flying back, Austin to St. Louis has 17 nonstop flights a week.

Return flights

Austin to St. LouisView

Find the cheapest day to fly from St. Louis to Austin.

Schedules as of Oct 9, 2026.