- Skyline Peak AirportIdent: 33NRServes: Mars Hill
- Skyline Ranch AirportIdent: 60XAServes: Georgetown
- Skyotee Ranch AirportIdent: CL74Serves: Rosamond
- Skypark AirportIdent: KBTFServes: Bountiful
- Skypark Estates Owners Assoc AirportIdent: 18FDServes: Baker
- Skypoint Estates AirportIdent: 33ARServes: Greers Ferry
- Skyport AirportIdent: 4S4Serves: Cornelius
- Skyport AirportIdent: WI27Serves: Menomonie
- Skyqueen AirportIdent: WA95Serves: Centralia
- Skyrider UltralightportIdent: 1MT2Serves: Billings
- Skyview 360 AirportIdent: 36TTServes: Round Mountain
- Skyview AirparkIdent: WY05Serves: Cheyenne
- Skyview AirportIdent: 51VAServes: Manassas
- Skyview AirportIdent: 84NYServes: Rush
- Skyview AirportIdent: MU70Serves: Ozark
- Skyview Ranch AirportIdent: US-0478Serves: Junction
- Skywagon Farm AirportIdent: NM88Serves: Bosque
- Skywagon Ranch AirportIdent: 6CO6Serves: Berthoud
- Skyway Estates AirportIdent: 60GServes: Eaton Rapids
- Skywest AirparkIdent: 62ALServes: Mobile
- Skywest Inc AirportIdent: K7T7Serves: Midland
- Slack AirportIdent: 18PAServes: Forest Grove
- Slack AirportIdent: 4TX0Serves: Mont Belvieu
- Slate River AirparkIdent: US-0645Serves: Buckingham
- Slater Farm AirportIdent: 2NA7Serves: Esmond
- Slater FieldIdent: 00MDServes: Federalsburg
- Slater Memorial AirportIdent: 9K5Serves: Slater
- Slaton Municipal AirportIdent: KF49Serves: Slaton
- Slaughter AirportIdent: 0MU4Serves: Marceline
- Slayton Municipal AirportIdent: KDVPServes: Slayton
- Sleepers Strip AirportIdent: 6AK2Serves: Point Mackenzie
- Sleepy Eye Municipal AirportIdent: Y58Serves: Sleepy Eye
- Sleepy Hollow AirportIdent: 18GAServes: Social Circle
- Sleetmute AirportIdent: PASLServes: Sleetmute
- Slickpoo MX Park AirportIdent: US-5184Serves: Slickpoo
- Slidell AirportIdent: KASDServes: Slidell
- Slinkard AirfieldIdent: WN31Serves: Mesa
- Slip Knot Landing AirportIdent: 24MEServes: Windham
- Sloan's AirportIdent: 0MO8Serves: Elsberry
- Slobovia Outernational AirportIdent: MS71Serves: Pocahontas
- Sloop AirportIdent: 41NCServes: Kannapolis
- Sluder AirstripIdent: ID16Serves: Bellevue
- Small FieldIdent: IN81Serves: Carthage
- Smart Road AirportIdent: AL77Serves: Troy
- Smies AirportIdent: 75WIServes: Cedar Grove
- Smiley Creek AirportIdent: U87Serves: Ketchum
- Smiley Johnson Municipal Airport Bass FieldIdent: KE34Serves: Clarendon
- Smisson FieldIdent: 7GA9Serves: Whitesburg
- Smith Air StripIdent: 25NCServes: Asheboro
- Smith AirportIdent: 43KSServes: Manhattan
- Smith AirportIdent: 79NYServes: Pendleton
- Smith AirportIdent: LL27Serves: Macomb
- Smith AirportIdent: TX51Serves: Corsicana
- Smith AirportIdent: VT17Serves: Ludlow
- Smith AirportIdent: WA73Serves: Colville
- Smith AirportIdent: XA51Serves: Robinson
- Smith AirstripIdent: NA70Serves: Sheyenne
- Smith Aviation Inc AirportIdent: 78XSServes: El Campo
- Smith Center Municipal AirportIdent: KK82Serves: Smith Center
- Smith County AirportIdent: MS39Serves: Taylorsville