Crater Lake–Klamath Regional Airport (Klamath Falls Airport) (IATA: LMT, ICAO: KLMT, FAA LID: LMT) is a public use airport in Klamath County, Oregon, United States, five miles southeast of Klamath Falls, which owns it. It is used by general aviation, military aviation and a few airline flights. In 2013, the name of the airport was changed to Crater Lake-Klamath Regional Airport.

The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a primary commercial service airport since it has over 10,000 passenger boardings (enplanements) per year. Federal Aviation Administration records say the airport had 15,856 enplanements in 2011, a decrease from 21,353 in 2010.

As Kingsley Field Air National Guard Base, the airport is the home of the Oregon Air National Guard's 173d Fighter Wing (173 FW) flying the F-15 Eagle. An Air Education and Training Command (AETC)-gained unit, the 173 FW specializes as an advanced air-to-air combat training center for Regular Air Force and Air National Guard F-15 pilots, as well as hosting joint and combined air combat exercises for all US military services and those of Canada. Kingsley Field is home to a USAF flight surgeon training school. The 173d Fighter Wing is currently under the command of Colonel Jeff Smith.