Slidell Airport (ICAO: KASD, FAA LID: ASD) is a city-owned public-use airport located four nautical miles (7 km) northwest of the central business district of Slidell, a city in St. Tammany Parish, Louisiana, United States.

Slidell Airport covers an area of 340 acres (140 ha) at an elevation of 29 feet (9 m) above mean sea level.

[1] The Louisiana Office of the National Weather Service is located here.

For the 12-month period ending April 15, 2008, the airport had 112,000 aircraft operations, an average of 306 per day: 96% general aviation, 4% military.

At that time there were 86 aircraft based at this airport: 87% single-engine, 9% multi-engine, 2% helicopter and 1% jet.