Direct flights from Houston to Saint Louis
All flights from IAH to STL non-stop. There are direct flights from George Bush Intcntl Houston (IAH), Texas, USA to Saint Louis Airport (STL), Missouri, USA with United Airlines. 24 weekly departures are currently scheduled on this route. Departure times range from 07:35 to 21:35 depending on the schedule period. The flight distance is 671 miles (1080 km). Flight time ranges from 1 hour and 57 minutes to 2 hours and 15 minutes.
Houston
, USA
Flight schedule from Houston to Saint Louis 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
Houston to Saint Louis scheduled departures
Select a date to see every published non-stop departure between IAH and STL.
IAH - STL route facts
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Distance671 miles (1080 km)
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Flight time1 hour and 57 minutes to 2 hours and 15 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 B and Terminal C
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Arrival terminalsTerminal 1
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AircraftEmbraer 175 (Enhanced Winglets), Canadair (Bombardier) Regional Jet 550, Boeing 737-800 Passenger, Boeing 737-700 Passenger, Boeing 737MAX 8 Passenger, Boeing 737-900 Passenger, Airbus A319, Boeing 737MAX 9 Passenger and Airbus A320
Route FAQ
Nearby airports that offer flights to Saint Louis (STL)
From Hobby Airport (HOU)
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Direct flights from Houston to MO, USA
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