Sun Country Airlines Announces Service The route will offer a low cost flight from Minneapolis, MN to Rapid City, SD.Terminal Expansion Rapid City Regional Airport terminal expansion project detailsRAP Awarded $10.9M BIL Grant This award funds a $10.9 million portion of a $58 million multi‐phased rehabilitation and expansion of the existing terminal. thin Air Service UpdatesAirport ArtPassenger StatisticsProjects and ConstructionPress ReleasesAll Posts