Southwest Airlines
http://www.southwest.com/
SpanAir
http://www.spanair.com/
Spice Jet
http://www.spicejet.com/
Spirit Airlines
http://www.spiritair.com/
Srilankan Airlines
http://www.srilankan.aero/
Star African Air
http://www.starafricanair.com/
Sterling European Airlines
http://www.sterling.dk/
Sterling flights
Sudan Airways
http://www.sudanair.com/
Sun Country Airlines
http://www.suncountry.com/
Sun-Air of Scandinavia
http://www.sun-air.dk/
Surinam Airways
http://www.slm.firm.sr/
Swiss International Airlines
http://www.swiss.com/
Syrian Air
http://www.syriaair.com/
TACA
http://www.taca.com/
TAM
http://www.tam.com.br/
Tamir Airways
http://www.tamir-air.co.il/
Ted Airlines
http://www.flyted.com/
Thai Airways
http://www.thaiairways.com/
Trans Mediterranean Airways
http://www.tma.com.lb/