The flight distance from Denver International Airport (DEN) in Denver, United States to Henry Post Army Air Field (Fort Sill) Airport (FSI) in Fort Sill, United States is 802 kilometers (498 miles / 433 nautical miles). The estimated flight time for this route is approximately 2h, flying southeast at a heading of 134°.

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. Despite being a domestic route, there is a 1-hour time difference between the two cities.

Time zone information: When it's 03:02 in Denver, it's 04:02 in Fort Sill.

There is a significant elevation difference of 4,246 feet between the two airports. Henry Post Army Air Field (Fort Sill) Airport sits lower than Denver International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Fort Sill (FSI) to Denver (DEN) follows a heading of 318° (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 Denver International Airport (DEN) and Henry Post Army Air Field (Fort Sill) Airport (FSI) detail pages, or use our flight duration calculator to compare other routes.