The flight distance from Denver International Airport (DEN) in Denver, United States to Southwest Washington Regional Airport (KLS) in Kelso, United States is 1,633 kilometers (1,015 miles / 882 nautical miles). The estimated flight time for this route is approximately 3h, flying west northwest at a heading of 301°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

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 04:48 in Denver, it's 03:48 in Kelso.

There is a significant elevation difference of 5,414 feet between the two airports. Southwest Washington Regional 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 Kelso (KLS) to Denver (DEN) follows a heading of 109° (east southeast). 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 Southwest Washington Regional Airport (KLS) detail pages, or use our flight duration calculator to compare other routes.