Billings Logan International Airport (IATA: BIL, ICAO: KBIL, FAA LID: BIL) is a public use airport located two nautical miles (4 km) northwest of the central business district of Billings, in Yellowstone County, Montana, United States. It is owned by the City of Billings. The airport sets on top of the Rims, a 500-foot (150 m) cliff overlooking the downtown core of Billings. It is the largest and busiest airport within a four state region (Montana, Wyoming, North and South Dakota) both in passenger boardings and air cargo.
It serves residents of the greater Billings Metro area as well as residents throughout south-central Montana, eastern Montana, and northern Wyoming. This airport is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a primary commercial service airport (more than 10,000 enplanements per year). As per Federal Aviation Administration records, the airport had 422,494 passenger boardings (enplanements) in calendar year 2008, 397,073 enplanements in 2009, and 388,329 in 2010.
Billings Logan International Airport offers regularly scheduled, non-stop flights from Billings to Chicago, Minneapolis, Phoenix, Seattle, Denver, Portland, Salt Lake City, Las Vegas and Los Angeles on United Airlines, Frontier Airlines, Allegiant Air, Delta Air Lines and Horizon Air.