Direct flights from Saint Louis to Houston
All flights from STL to IAH non-stop. There are direct flights from Saint Louis Airport (STL), Missouri, USA to George Bush Intcntl Houston (IAH), Texas, USA with United Airlines. 24 weekly departures are currently scheduled on this route. Departure times range from 06:00 to 17:59 depending on the schedule period. The flight distance is 671 miles (1080 km). Flight time ranges from 2 hours and 12 minutes to 2 hours and 31 minutes.
Saint Louis
, USA
Flight schedule from Saint Louis to Houston with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-08-24
Saint Louis to Houston scheduled departures
Select a date to see every published non-stop departure between STL and IAH.
STL - IAH route facts
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Distance671 miles (1080 km)
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Flight time2 hours and 12 minutes to 2 hours and 31 minutes
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Airline United
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Airline alliancesStar Alliance
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CabinsEconomy Business First
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Hub airportsIAH
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Departure terminalsTerminal 1
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Arrival terminalsTerminal C and Terminal B
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AircraftBoeing 737-700 Passenger, Boeing 737-800 Passenger, Boeing 737MAX 8 Passenger, Airbus A319, Boeing 737-900 Passenger, Airbus A320, Canadair (Bombardier) Regional Jet 550, Embraer 175 (Enhanced Winglets) and Boeing 737MAX 9 Passenger
Route FAQ
Direct flights from Saint Louis to TX, USA
From Saint Louis to San Antonio
SAT San Antonio International
From Saint Louis to Austin
AUS Austin-Bergstrom International Airport
From Saint Louis to Houston
HOU William P. Hobby Airport
From Saint Louis to Dallas
DFW Dallas Fort Worth International
From Saint Louis to Dallas
DAL Dallas Love Fld
