Airport Comparison
| FSI | STL | |
|---|---|---|
| Airport Name | Henry Post Army Air Field (Fort Sill) Airport | St Louis Lambert International Airport |
| IATA Code | FSI | STL |
| ICAO Code | KFSI | KSTL |
| City | Fort Sill | St Louis |
| Country | United States | United States |
| Timezone | America/Chicago | America/Chicago |
| Elevation | 1,188 ft | 617 ft |
| Coordinates | 34.650000, -98.400000 | 38.750000, -90.370000 |
Fort Sill (FSI) to St Louis (STL) Flight Distance
The flight distance from Henry Post Army Air Field (Fort Sill) Airport (FSI) in Fort Sill, United States to St Louis Lambert International Airport (STL) in St Louis, United States is 848 kilometers (527 miles / 458 nautical miles). The estimated flight time for this route is approximately 2h, flying northeast at a heading of 55°.
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 00:36 in Fort Sill, it's 00:36 in St Louis.
The return flight from St Louis (STL) to Fort Sill (FSI) follows a heading of 240° (west 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 Henry Post Army Air Field (Fort Sill) Airport (FSI) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.