All Airports of
- Saransk
- Country: Russia
- Regional airport serving Mordovia
- Rating:
- Saratov Gagarin
- Country: Russia
- New international airport serving Saratov in Volga region
- Rating:
- Saratov Tsentralny
- Country: Russia
- Former airport of Saratov in Volga region closed in 2019 after the new airport Gagarin has been opened
- Rating:
- Sari Dasht-e Naz International
- Country: Iran
- International airport serving Mazandaran province in northern Iran
- Rating:
- Saskatoon John G. Diefenbaker International
- Country: Canada
- Main international airport in Saskatchewan province
- Rating:
- Southampton
- Country: United Kingdom
- International airport serving Southampton in southern England
- Rating:
- Sevastopol Belbek
- Country: Russia
- Airport serving Sevastopol and small cities in South Crimea
- Rating:
- Sevilla San Pablo
- Country: Spain
- International airport serving Seville
- Rating:
- Seymour
- Country: Ecuador
- Airport located in the island of Baltra serving the Galapagos Islands
- Rating:
- Semey International
- Country: Kazakhstan
- Airport serving Semey in eastern Kazakhstan
- Rating:
- Saint Barthelemy
- Country: Guadeloupe
- Regional airport serving the island of Saint Barthelemy, also known as Gustaf III Airport
- Rating:
- Saint-Denis Roland Garros
- Country: Reunion
- Main international airport of Reunion, formerly known as Gillot Airport
- Rating:
- St. Maarten Princess Juliana International
- Country: Netherlands Antilles
- Airport serving the Dutch part of the island of Saint Martin
- Rating:
- Saint-Pierre
- Country: St. Pierre and Miquelon
- Regional airport in Saint-Pierre and Miquelon
- Rating:
- Sendai
- Country: Japan
- International airport in Sendai city
- Rating:
- St John's International
- Country: Canada
- International airport in the west of Canada
- Rating:
- St. John's V. C. Bird International
- Country: Antigua and Barbuda
- International airport located on the island of Antigua, 8 km northeast of the capital
- Rating:
- St. Georges Point Salines International
- Country: Grenada
- The current name of the airport is Maurice Bishop International Airport
- Rating:
- St Croix Island Henry E. Rohlsen
- Country: United States
- Main airport of St Croix Island, was renamed from "Alex Hamilton"
- Rating:
- St. Louis Lambert International
- Country: United States
- Largest and busiest airport in the state of Missouri
- Rating:
- St Lucia Hewanorra International
- Country: Saint Lucia
- Larger of the two airports of Saint Lucia
- Rating:
- Saint Marys
- Country: United States
- Regional airport in Alaska
- Rating:
- Sept-Iles
- Country: Canada
- Regional airport in the east of Canada
- Rating:
- Seoul Gimpo International
- Country: Korea - South
- Second largest airport in South Korea, formerly Kimpo International Airport
- Rating:
- Seoul Incheon International
- Country: Korea - South
- Largest airport in South Korea serving the capital city of the country
- Rating:
- Sihanoukville International
- Country: Cambodia
- International airport in southern Cambodia, also known as Kaong Kang Airport
- Rating:
- Xi'An Xianyang International
- Country: China
- Main airport serving Shaanxi Province in central China
- Rating:
- Sibu
- Country: Malaysia
- Regional airport serving Sibu
- Rating:
- Sydney
- Country: Australia
- Largest airport in Australia, also known as Kingsford Smith Airport
- Rating:
- Siem Reap Angkor International
- Country: Cambodia
- Largest commercial airport in Cambodia
- Rating:
- Sylhet Osmani International
- Country: Bangladesh
- International airport in the East of Bangladesh
- Rating:
- Simferopol
- Country: Russia
- Major international airport in Crimea
- Rating:
- Singapore Changi
- Country: Singapore
- International airport in Singapore
- Rating:
- Seattle Boeing Field/King County International
- Country: United States
- Airport has some passenger service, but is mostly used by general aviation and cargo
- Rating:
- Seattle Lake Union SPB
- Country: United States
- Regioanl airport in Seattle
- Rating:
- Seattle Tacoma International
- Country: United States
- Largest airport in the Pacific Northwest region of the United States
- Rating:
- Skiathos Alexandros Papadiamantis
- Country: Greece
- Small international airport serving the island of Skiathos
- Rating:
- Skopje Alexander the Great
- Country: Macedonia
- Main international airport in Macedonia
- Rating:
- Smithers Regional
- Country: Canada
- Regional airport serving Smithers
- Rating:
- Sovetsky
- Country: Russia
- Regional airport in the north of Western Siberia
- Rating:
- Solovky
- Country: Russia
- Small airport serving Solovetsky Islands
- Rating:
- Salisbury-Ocean City Wicomico Regional
- Country: United States
- Regional airport in the State of Maryland
- Rating:
- Salt Lake City International
- Country: United States
- Fourth largest hub for Delta Air Lines
- Rating:
- Sorong Domine Eduard Osok
- Country: Indonesia
- Airport near Sorong city, major gateway to the Raja Ampat Islands in West Papua province
- Rating:
- Sofia
- Country: Bulgaria
- Main international airport of Bulgaria, as Sofia Vrazhdebna Airport
- Rating:
- Sochi International
- Country: Russia
- International airport serving main Russian resort Sochi
- Rating:
- Split
- Country: Croatia
- Largest international airport in southern Croatia
- Rating:
- Spokane International
- Country: United States
- Second largest airport in Washington
- Rating:
- Stavanger
- Country: Norway
- International airport in the municipality of Sola in southwestern Norway
- Rating:
- Stavropol Shpakovskoye
- Country: Russia
- Airport of Stavropol in South Russia
- Rating: