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San Juan Airlines
Sserving passengers between Seatte, Bellingham, Anacortes and the San Juan Islands in Washington, and British Columbia, Canada. Offers schedules and charter information.
http://sanjuanairlines.com/

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

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/

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

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/

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

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

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

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

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

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/

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

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.com/

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/

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

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

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

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

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

SriLankan Airlines
The airline of Sri Lanka operating flights to Europe, India, the Middle East, the Maldives and southeast Asia. Online bookings and e-ticketing.
http://www.srilankan.aero

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

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/

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

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/

Swiss
Switzerland's national airline. Contains flight schedules, time table, special offers and frequent flyer program.
http://www.swiss.com/

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