• Airport Distance Calculator
• Lambert-St. Louis International Airport to George Bush Intercontinental Airport Flight Distance

Distance From Lambert-St. Louis International Airport to George Bush Intercontinental Airport (STL - IAH Distance)

The flight distance from Lambert-St. Louis International Airport (STL) to George Bush Intercontinental Airport (IAH) is 669 miles. This is equivalent to 1076 kilometers or 581 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.

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Flight Duration between Saint Louis, United States and Houston, United States

Estimated flight time from Lambert-St. Louis International Airport, Saint Louis, United States to George Bush Intercontinental Airport, Houston, United States is 1 hours 20 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.

Time Difference Between the Airports • STL - IAH

Time difference between Saint Louis (United States) and Houston (United States) is 1 Hours.
Current local time in Saint Louis is 2025-12-16, 21:37:52 EST and time in Houston is 2025-12-16, 20:37:52 CST.
Houston time is 1 Hours behind Saint Louis.

Lambert-St. Louis International Airport to George Bush Intercontinental Airport Flight Route Map - STL to IAH Flight Path

Location of Lambert-St. Louis International Airport & George Bush Intercontinental Airport is given below.
Click the map to view Saint Louis to Houston nonstop flight path and travel direction.

Click to see flight route on Google Map between Saint Louis, United States and Houston, United States. .

Nonstop flight route between Saint Louis, United States and Houston, United States.

Lambert-St. Louis International Airport
City:	Saint Louis
Country:	United States
IATA Code:	STL
ICAO Code:	KSTL
GPS Coordinates:	Latitude: N 38° 44' 55.3'' Longitude: W 90° 22' 12.1''
Current time:	2025-12-16, 21:37:52 EST
Current weather:	Lambert-St. Louis International Airport 15 day weather forecast

George Bush Intercontinental Airport
City:	Houston
Country:	United States
IATA Code:	IAH
ICAO Code:	KIAH
GPS Coordinates:	Latitude: N 29° 59' 4'' Longitude: W 95° 20' 29.2''
Current time:	2025-12-16, 20:37:52 CST
Current weather:	George Bush Intercontinental Airport 15 day weather forecast
Flights: