Airport Comparison
| IAH | STL | |
|---|---|---|
| Airport Name | George Bush Intcntl/Houston Airport | St Louis Lambert International Airport |
| IATA Code | IAH | STL |
| ICAO Code | KIAH | KSTL |
| City | Houston | St Louis |
| Country | United States | United States |
| Timezone | America/Chicago | America/Chicago |
| Elevation | 96 ft | 617 ft |
| Coordinates | 29.980000, -95.340000 | 38.750000, -90.370000 |
Houston (IAH) to St Louis (STL) Flight Distance
The flight distance from George Bush Intcntl/Houston Airport (IAH) in Houston, United States to St Louis Lambert International Airport (STL) in St Louis, United States is 1,076 kilometers (669 miles / 581 nautical miles). The estimated flight time for this route is approximately 2h, flying north northeast at a heading of 24°.
This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.
This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation.
Time zone information: When it's 02:27 in Houston, it's 02:27 in St Louis.
The return flight from St Louis (STL) to Houston (IAH) follows a heading of 207° (south southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.
For more information about these airports, visit the George Bush Intcntl/Houston Airport (IAH) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.