Rapid City Regional Airport (IATA: RAP, ICAO: KRAP, FAA LID: RAP) is a public use airport, nine miles southeast of Rapid City, in Pennington County, South Dakota, United States.

[2] It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2023–2027, in which it is categorized as a small-hub primary commercial service facility.

[6] 2021 Total Commercial Passengers: 690,740[7] The current terminal building opened in 1988; a $20.5 million expansion and renovation designed by TSP Architecture was completed in 2012.

[8][9] It includes 12,000 square feet of new floor space, the addition of three jet bridges and one boarding gate, an expanded security area with room for up to three lanes and body scanners, a new rental car wing, additional seating in the concourse, larger restrooms before and after security, modernized phone and data systems, new flight information boards, improved food service and shopping areas in the concourse, a rooftop patio, and energy-efficient windows and building exterior repair.

In 1937, the Rapid City Municipal Airport was established at the current location of Ellsworth Air Force Base, before being relocated to its present site in 1950.