- Santa Teresa AirportIdent: YSTTAirport type: Small airport
- Scone AirportIdent: YSCOAirport type: Small airport
- Scotia Sanctuary AirportIdent: YSCAAirport type: Small airport
- Sea Lake AirportIdent: YSLKAirport type: Small airport
- Serpentine AirportIdent: YSENAirport type: Small airport
- Shannon River AirportIdent: YSHNAirport type: Small airport
- Shay Gap AirportIdent: YSHGServes: Shay Gap
- Shute Harbour/Whitsunday AirportIdent: YSHRServes: Shute Harbour
- Siam AirportIdent: YSIAServes: Siam
- Silent Grove AirportIdent: YSLGAirport type: Small airport
- Singleton AirportIdent: YSGTServes: Singleton
- Snowtown AirportIdent: YSNTAirport type: Small airport
- Solomon AirportIdent: YSOLServes: Karijini National Park
- Somersby AirstripIdent: YSMBServes: Gosford
- South Galway AirportIdent: YSGWAirport type: Small airport
- South Goulburn Is AirportIdent: YGBIAirport type: Small airport
- South Grafton AirportIdent: YSGRAirport type: Small airport
- South West Rocks AirportIdent: YSWKServes: South West Rocks
- Southern Cross AirportIdent: YSCRAirport type: Small airport
- Southport AirportIdent: YSPTAirport type: Small airport
- Southwell AirportIdent: YSOWAirport type: Small airport
- Spring Creek AirportIdent: YSPKAirport type: Small airport
- Springfield AirportIdent: YSPFServes: Isisford
- Springsure AirportIdent: YSPIAirport type: Small airport
- Springvale AirportIdent: YSPVAirport type: Small airport
- St George AirportIdent: YSGEAirport type: Small airport
- St Helens AirportIdent: YSTHAirport type: Small airport
- Stanbroke AirportIdent: YSBOAirport type: Small airport
- Stanthorpe AirportIdent: YSPEAirport type: Small airport
- Stonehenge AirportIdent: YSTOServes: Stonehenge
- Strahan AirportIdent: YSRNAirport type: Small airport
- Strathalbyn AirportIdent: YSYNServes: Strathalbyn
- Strathaven AirportIdent: YSVNAirport type: Small airport
- Strathburn AirportIdent: YSTBServes: Holroyd River
- Strathearn AirportIdent: YSTRAirport type: Small airport
- Strathgordon AirportIdent: YSGDAirport type: Small airport
- Strathleven AirportIdent: YSLNAirport type: Small airport
- Strathmay AirportIdent: YSMYAirport type: Small airport
- Strathmore AirportIdent: YSMRServes: Strathmore
- Streaky Bay AirportIdent: YKBYAirport type: Small airport
- Stuart Creek AirportIdent: YSTCServes: Stuart Creek
- Sudley AirportIdent: YSDLAirport type: Small airport
- Sunbury (Penfield) AirfieldIdent: YPEFServes: Sunbury
- Sunrise Dam AirportIdent: YSRDServes: Laverton
- Supplejack Downs AirportIdent: YSUJAirport type: Small airport
- Surat AirportIdent: YSRTAirport type: Small airport
- Swan Island AirportIdent: YSWIServes: Swan Island
- Swan Reach AirportIdent: AU-0115Serves: Swan Reach
- Swansea AirportIdent: YSWAAirport type: Small airport
- Sweers Island Resort AirportIdent: YSWEServes: Sweers Island
- Sylvania Homestead AirportIdent: YSLVAirport type: Small airport
- Tableland Homestead AirportIdent: YTABAirport type: Small airport
- Taggerty AirportIdent: YTGGAirport type: Small airport
- Talavera AirportIdent: YTVAAirport type: Small airport
- Talbingo AirportIdent: YTBGAirport type: Small airport
- Tallinup-Augusta AirportIdent: YAUGServes: Augusta
- Tamala AirportIdent: YTMLServes: Shark Bay
- Tambar Springs AirportIdent: YTMSAirport type: Small airport
- Tambo AirportIdent: YTMBAirport type: Small airport
- Tanami AirportIdent: YTMNAirport type: Small airport