Nonstop flights from St. Louis to Houston

Southwest Airlines flies this route 3 to 5 times a day.

STLSt. Louis Lambert International

687 mi · 31 flights a week

HOUHouston William P. Hobby

STLHOU

When they leave

St. Louis time

5:15a9:00pFirst departure 5:15 AM, last 9:00 PM

Four in the morning, 5:15 AM to 10:55 AM, then two in the afternoon, 12:15 PM to 3:05 PM, then four in the evening, 5:50 PM to 9:00 PM.

Every flight

Earliest first

5:15 AM→7:15 AMSouthwest AirlinesBoeing 737 MAX 8Daily
8:20 AM→10:20 AMSouthwest AirlinesBoeing 737-700Sun
8:40 AM→10:40 AMSouthwest AirlinesBoeing 737-700Tue, Wed
10:55 AM→12:55 PMSouthwest AirlinesBoeing 737-700Daily
12:15 PM→2:15 PMSouthwest AirlinesBoeing 737Mon, Thu, Fri, Sat
3:05 PM→5:05 PMSouthwest AirlinesBoeing 737 MAX 8Sun
5:50 PM→7:50 PMSouthwest AirlinesBoeing 737-700Mon, Thu, Fri
8:45 PM→10:45 PMSouthwest AirlinesBoeing 737Tue, Wed
8:55 PM→10:55 PMSouthwest AirlinesBoeing 737Mon, Thu, Fri
9:00 PM→11:00 PMSouthwest AirlinesBoeing 737Sun

Schedules last checked Sep 19, 2026. Times are local.

Flying from St. Louis to Houston

Southwest Airlines is the only airline flying nonstop from St. Louis to Houston, 3 to 5 times a day on the Boeing 737, Boeing 737-700 and Boeing 737 MAX 8.

Flights run every day of the week, from 3 on Saturdays to 5 on Mondays, Thursdays, Fridays and Sundays. The first arrival in Houston is at 7:15 AM and the last at 11:00 PM. The flight covers 687 miles.

Flying back, Houston to St. Louis has 32 nonstop flights a week. From St. Louis, George Bush Intercontinental (IAH) is the other Houston area airport with nonstop flights, 32 a week.