SkyTeam Alliance
- Site providing information about the alliance and flight schedules.
- http://www.skyteam.com/skyteam

Swazi Express Airways
- Private airline from Swaziland, flying from Matsapha to South Africa and Mozambique.
- http://www.swaziexpress.com

Sudan Airways
- Airline based at Khartoum Airport provides information on Sudanair Express, cargo and tourism.
- http://www.sudanair.com/

Sky Express
- Greek regional charter airline based in Crete. Online reservations, company profile, contact information and flight schedules.
- http://www.skyexpress.gr

SpiceJet Airlines
- Low cost domestic airlines offering services throughout India.
- http://www.spicejet.com/

Star African Air
- Airline provides a company profile and history, detailed flight schedule, fares, online reservations, sister concerns and FAQ. Based in Mogadishu, Somalia.
- http://www.starafricanair.com/

Syrian Arab Airlines
- Provides information on passenger and cargo services, including flight search, fleet and international offices. [Arabic, English]
- http://www.syriaair.com/

Southwest Airlines
- Includes reservations, schedules, fares and vacation packages.
- http://www.southwest.com/

SkyEurope
- Low cost airline in central Europe. Provides online reservations, timetables, destinations map, company news and information.
- http://www.skyeurope.com/

Slovak Airlines
- Basic information about Slovak Airlines, Slovakia and Bratislava. Airline operates a new scheduled service Brussels-Bratislava-Brussels. Includes photo gallery of Bratislava.
- http://brussels.slovakairlines.sk

SilkAir Singapore
- Features flight schedules, information on fares and promotional activities
- http://www.silkair.com/

SN Brussels Airlines
- Belgian aviation company connecting Brussels to Africa, North America and other cities in Europe; includes general information, flight schedules and online booking.
- http://www.flysn.com/

Surinam Airways
- History, schedules and contact information on Suriname's official airline company.
- http://www.slm.firm.sr/

Soundsair
- Offers information on flights over the Cook Strait between Wellington in the North Island and Picton in the South Island (New Zealand).
- http://www.soundsair.co.nz/

Skytrans
- Cairns based airline (scheduled and charter) to Cape York and North Queensland. On-line fares, fare rules, schedules, fleet and staff details.
- http://www.skytrans.com.au/

SVG Air
- Airline based in St Vincent and the Grenadine islands. Includes charter and scheduled flight rates, enquiry and online reservation, routes and aircraft.
- http://www.svgair.com/

SkyKing Airline
- Premier airline in the Caribbean Turks and Caicos providing inter-island services and also regional flights. Site provides schedules, rates, charters and reservations.
- http://www.skyking.tc/

Scandinavian Airlines
- Online booking and airline ticket reservation service along with information about the airline's fares and timetables.
- http://www.sas.se

ScotAirways
- News and general information from this Scottish regional airline.
- http://www.scotairways.co.uk/

South African Airways
- Bookings, flight status, Voyager frequent flyer program, company and contact details, customs information and destination guides and SAA Cargo services.
- http://www.flysaa.com/

Siberia Airlines
- Passenger, cargo transportation, charter flights, routes, timetable and reservations in Russia and abroad.
- http://english.s7.ru/

Sun Country Airlines
- Minneapolis/St. Paul based airline; online ticket purchases, flight arrival/departure information, special fares and promotions and destination information.
- http://www.suncountry.com/

Spirit Airlines
- Provides terminal locations, seating charts, a timetable, flight tracking, policies and destinations.
- http://www.spiritair.com/

SpanAir
- Offers airline information, online reservations and interactive destination information.
- http://www.spanair.com

Southern Winds Lineas Aeras
- Argentinian line offering reservations, flight schedules, employment listings and fleet details.
- http://www.sw.com.ar

SkyWest Airlines
- Delta Connection and United Express carrier; fares, flight schedules and fleet information.
- http://www.skywest.com

SEAIR
- Offers domestic air transportation in the Philippines including tourist and rural destinations and emergency air ambulance services. Online booking available.
- http://www.flyseair.com/

Seaborne Airlines
- Provides information about products and service (tours and scheduled flights) of this U.S. Virgin Islands airline that operates only floatplanes.
- http://www.seaborneairlines.com

Saudi Arabian Airlines
- Country's national airline includes general information, flight schedules and frequent flyer details.
- http://www.saudiairlines.com