- Shively FieldIdent: KSAAServes: Saratoga
- Shkyview AirportIdent: US-9276Serves: Gardner
- Shoemaker-Shelby Forest AirportIdent: 2TN4Serves: Millington
- Shoestring Aviation AirfieldIdent: 0P2Serves: Stewartstown
- Shofner Farms AirportIdent: 2TS2Serves: Harlingen
- Shontz AirportIdent: 74PAServes: Zieglerville
- Shootz FieldIdent: OI45Serves: Richfield
- Short Creek AirportIdent: 8TN7Serves: Dover
- Short Field Landing Ultralight FlightparkIdent: US-8165Serves: Lawson
- Short Stop AirportIdent: 8TA5Serves: Farmersville
- Short-N-Ruff AirportIdent: 0MO2Serves: Caledonia
- Shorthorn Auxiliary Landing StripIdent: 23XSServes: Fort Hood
- Shoshone AirportIdent: L61Serves: Shoshone
- Shoshone County AirportIdent: KS83Serves: Smelterville
- Shoshoni Municipal AirportIdent: 49UServes: Shoshoni
- Shotgun Ranch AirstripIdent: 42ORServes: Post
- Shreveport Downtown AirportIdent: KDTNServes: Shreveport
- Shreveport North AirportIdent: 62PAServes: Wellsville
- Shriver AirportIdent: 0PN8Serves: Titusville
- Shulls AirportIdent: 2PA8Serves: Landisburg
- Shump AirportIdent: AA00Serves: Talkeetna
- Shumway Innernational AirportIdent: US-6182Serves: Effingham
- Shungnak AirportIdent: PAGHServes: Shungnak
- Shure AirportIdent: IN57Serves: Farmersburg
- Shurley Field AirportIdent: 4AR1Serves: Cabot
- Sibbernsen AirportIdent: 1NE5Serves: Washington
- Sibley Municipal AirportIdent: KISBServes: Sibley
- Sickler AirstripIdent: 15KSServes: Emporia
- Sidney Municipal AirportIdent: KI12Serves: Sidney
- Sidney Municipal AirportIdent: KN23Serves: Sidney
- Sids AirportIdent: MA52Serves: Maynard
- Sieg's Farm AirportIdent: MY00Serves: Truman
- Sierra AirparkIdent: FL48Serves: Worthington Springs
- Sierra Sky Park AirportIdent: E79Serves: Fresno
- Sierraville Dearwater AirportIdent: KO79Serves: Sierraville
- Sievers FieldIdent: US-7434Serves: Duson
- Sig FieldIdent: 7C5Serves: Montezuma
- Sikes Farm AirportIdent: US-7424Serves: Collins
- Sikeston Memorial Municipal AirportIdent: KSIKServes: Sikeston
- Silent P AirportIdent: OA86Serves: West Jefferson
- Siler City Municipal AirportIdent: K5W8Serves: Siler City
- Silers Plane Valley AirportIdent: 1KS6Serves: Salina
- Siletz AirportIdent: 5OR3Serves: Siletz
- Siletz Bay State AirportIdent: KS45Serves: Gleneden Beach
- Siller Bros Inc AirportIdent: 97CLServes: Oroville
- Sills Air ParkIdent: SN18Serves: Augusta
- Silva Ranch AirportIdent: 13IDServes: Stanley
- Silver Comet Field at Paulding Northwest Atlanta AirportIdent: KPUJServes: Dallas
- Silver Creek AirportIdent: 40MTServes: Helena
- Silver Creek AirportIdent: NC52Serves: Morganton
- Silver Creek GliderportIdent: 3IL1Serves: New Douglas
- Silver Creek Meadow AirportIdent: US-7742Serves: Princeton
- Silver Creek Ranch AirportIdent: 41CAServes: Silver Flat
- Silver Lake AirportIdent: MI71Serves: Mears
- Silver Lake F S StripIdent: 45SServes: Silver Lake
- Silver Springs AirportIdent: KSPZServes: Silver Springs
- Silver West AirportIdent: KC08Serves: Westcliffe
- Silver Wings AirportIdent: TS36Serves: Fredricksburg
- Silverbird AirportIdent: WT04Serves: Cheney
- Silverhill Naval Outlying Landing FieldIdent: KNQBServes: Daphne