- Siskiyou County AirportIdent: KSIYCountry: United States
- Sissano AirportIdent: AYZNCountry: Papua New Guinea
- Sisseton Municipal AirportIdent: K8D3Country: United States
- Sisters Eagle Air AirportIdent: K6K5Country: United States
- Sistéron-Vaumeilh AirfieldIdent: LFNSCountry: France
- Sitterdorf AirfieldIdent: LSZVCountry: Switzerland
- Situk AirportIdent: A68Country: United States
- Siwa Oasis North AirportIdent: HESWCountry: Egypt
- Siwea AirportIdent: AYEWCountry: Papua New Guinea
- Siwo AirportIdent: NVSECountry: Vanuatu
- Six Oaks AirportIdent: NC67Country: United States
- Six Ponds AirportIdent: 3NY6Country: United States
- Six Springs Ranch AirportIdent: OG51Country: United States
- Sixmile Lake AirportIdent: AA06Country: United States
- Siófok-Kiliti AirfieldIdent: LHSKCountry: Hungary
- SJ AirfieldIdent: US-6887Country: United States
- Sjule Private AirstripIdent: 7NA9Country: United States
- Sjöbo Sövde AirfieldIdent: ESMICountry: Sweden
- Skaar Farm AirfieldIdent: ND84Country: United States
- Skaftafell AirportIdent: IS-0003Country: Iceland
- Skagit Regional AirportIdent: KBVSCountry: United States
- Skagway AirportIdent: PAGYCountry: United States
- Skala AirportIdent: PN55Country: United States
- Skalitsky AirportIdent: 6TE0Country: United States
- Skamokawa East Valley AirportIdent: 18JYCountry: United States
- Skarda / Tollville AirportIdent: 21ARCountry: United States
- Skeen Ranch AirportIdent: 82NMCountry: United States
- Skegness (Ingoldmells) AerodromeIdent: EGNICountry: United Kingdom
- Skellytown AirportIdent: 3TE6Country: United States
- Skelton AirportIdent: AK04Country: United States
- Ski AirfieldIdent: ENSICountry: Norway
- Ski Harbor AirportIdent: 67MOCountry: United States
- Ski Valley AirparkIdent: US-0009Country: United States
- Skiatook Municipal AirportIdent: 2F6Country: United States
- Skid Marks AirportIdent: AK67Country: United States
- Skid Row AirparkIdent: 42XACountry: United States
- Skida Patch AirportIdent: 2XS4Country: United States
- Skidmo AirportIdent: 33WYCountry: United States
- Skinner Ranch AirportIdent: 12ORCountry: United States
- Skinners Wholesale Nursery AirportIdent: 16FDCountry: United States
- Skinningsrud AirportIdent: 6ND9Country: United States
- Skip's Place AirportIdent: 2IN0Country: United States
- Skiros AirportIdent: LGSYCountry: Greece
- Skis Landing Area AirportIdent: CT07Country: United States
- Skorpion Mine AirportIdent: FYSACountry: Namibia
- Skovhus AirportIdent: VA24Country: United States
- Skuteč AirfieldIdent: LKSKCountry: Czechia
- Skwentna AirportIdent: PASWCountry: United States
- Sky Acres AirportIdent: 1XA1Country: United States
- Sky Acres AirportIdent: K44NCountry: United States
- Sky Acres AirportIdent: VT25Country: United States
- Sky Blue AirfieldIdent: 6MN0Country: United States
- Sky Bryce AirportIdent: VG18Country: United States
- Sky Glen AirportIdent: MA75Country: United States
- Sky Harbor AirportIdent: 9AK5Country: United States
- Sky Harbor AirportIdent: KDYTCountry: United States
- Sky Harbor AirportIdent: S86Country: United States
- Sky Harbor Residential AirparkIdent: 1MN8Country: United States
- Sky Haven Airpark/Sellmeyer FieldIdent: OK01Country: United States
- Sky Haven AirportIdent: 4OH1Country: United States