The flight distance from Henry Post Army Air Field (Fort Sill) Airport (FSI) in Fort Sill, United States to George Bush Intcntl/Houston Airport (IAH) in Houston, United States is 593 kilometers (369 miles / 320 nautical miles). The estimated flight time for this route is approximately 2h, flying south southeast at a heading of 150°.

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 19:21 in Fort Sill, it's 19:21 in Houston.

There is a significant elevation difference of 1,093 feet between the two airports. George Bush Intcntl/Houston Airport sits lower than Henry Post Army Air Field (Fort Sill) Airport.

The return flight from Houston (IAH) to Fort Sill (FSI) follows a heading of 332° (north northwest). 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 George Bush Intcntl/Houston Airport (IAH) detail pages, or use our flight duration calculator to compare other routes.