- Saxon Farms AirportIdent: MD91Serves: Church Hill
- Saxon Sycan AirportIdent: 08ORServes: Summer Lake
- Sayre Municipal AirportIdent: K3O4Serves: Sayre
- Scammon Bay AirportIdent: PACMServes: Scammon Bay
- Scandia Air ParkIdent: 6PA4Serves: Russell
- Scanlon AirportIdent: 15IDServes: Coeur D Alene
- Scappoose Industrial AirparkIdent: KSPBServes: Scappoose
- Schaback StripIdent: MO51Serves: Weston
- Schadels AirportIdent: 1PA9Serves: Klingerstown
- Schaller AirportIdent: 27OHServes: Findlay
- Schaller AirportIdent: LL26Serves: New Athens
- Schaney's Lair AirportIdent: I62Serves: Brookville
- Schantz AirstripIdent: CD15Serves: Simla
- Schaumburg Regional AirportIdent: K06CServes: Chicago/Schaumburg
- Scheibe FieldIdent: OI55Serves: Wooster
- Scheidel Ranch AirportIdent: CA07Serves: Pleasant Grove
- Scheller AirportIdent: 62NJServes: Schooleys Mountain
- Schenck FieldIdent: KICLServes: Clarinda
- Scherler Private AirstripIdent: 9CO5Serves: Brandon
- Scherrico Meadows AirportIdent: WS16Serves: Mosinee
- Schertz Aerial Service - Hudson AirportIdent: 04ILServes: Hudson
- Schertz FieldIdent: 9IS2Serves: Gibson City
- Schexnayder AirportIdent: 66LAServes: Erwinville
- Schiff AirportIdent: TN80Serves: Cookeville
- Schiffer Acres AirportIdent: 3S5Serves: Saint Johns
- Schilson FieldIdent: IS51Serves: Carthage
- Schirmeister Private AirportIdent: 48NDServes: Hazelton
- Schleter FieldIdent: US-7839Serves: Greenfield
- Schloss Adlers AirportIdent: MS55Serves: Red Banks
- Schmidt AirportIdent: 6OR7Serves: Boring
- Schmidt Ranch AirportIdent: 1WN0Serves: Northport
- Schneider FieldIdent: 4MO3Serves: La Plata
- Schneider Haven AirstripIdent: NC75Serves: Harmony
- Schoepflin AirportIdent: WN26Serves: Palouse
- Schoettmer Farm AirportIdent: 67IIServes: Greensburg
- Schoolcraft County AirportIdent: KISQServes: Manistique
- Schrenkel AirportIdent: PN30Serves: Cassville
- Schrock AirportIdent: 4OR4Serves: Corvallis
- Schroder AirportIdent: 61KYServes: Owenton
- Schroeder Private AirportIdent: 38NDServes: Erie
- Schroeder Private AirportIdent: 7II3Serves: Mount Vernon
- Schu Ranch AirportIdent: AZ13Serves: Maricopa
- Schubert AirstripIdent: 40WIServes: Centerville
- Schulteis AirportIdent: 3PN0Serves: Biglerville
- Schulteis FieldIdent: 71PNServes: New Oxford
- Schulze's AirportIdent: 69OIServes: Chatfield
- Schumacher AirportIdent: 3MN9Serves: Oster
- Schumacher StripIdent: 0ND6Serves: Hague
- Schumaier Restricted Landing AreaIdent: 01LLServes: Pinckneyville
- Schutte AirportIdent: NE01Serves: Guide Rock
- Schuy-Rush AirportIdent: 5K4Serves: Rushville
- Schuyler AirportIdent: NY29Serves: Watkins Glen
- Schuylkill County Joe Zerbey AirportIdent: KZERServes: Pottsville
- Schwartz Farms Inc AirportIdent: 4FL8Serves: Sarasota
- Scobey AirportIdent: K9S2Serves: Scobey
- Scobey Border Station /East Poplar International/ AirportIdent: 8U3Serves: Scobey
- Scooter's Landing StripIdent: AK84Serves: Sterling
- Scotland Neck East AirportIdent: 2NC7Serves: Scotland Neck
- Scott AirportIdent: 31TXServes: Waco
- Scott AirportIdent: 7OK2Serves: Mangum