Popular airlines
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Lufthansa
Qantas
Ryanair
United Airlines


Other airlines
Aaeus
Aaeus
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ADA Air
Adam Skyconnection
Adria Airways
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Airlines beginning with 'S'

South African Airways
SriLankan
Singapore
SAS Scandinavian System
Silkair
Sabair Airlines
Saeta
Sahara Airlines
Sakhalinskie Aviatrassy
Samara Airlines
San Juan Aviation
Sandaun Air Services
Sansa
Santa Barbara Airlines
Saratov Airlines
Sardairline Soc Coop Airline
Sata Air Acores
Sata International
Satena
Satgur Air Transport
Saudi Arabian Airlines
Sayakhat Airlines
Scibe Airlift
ScotAirways
Seaborne Aviation Inc
Selcon Airlines Ltd
Select Air Luftverkehrs-AG
Serendib Express
Servant Air
Servicios Aereos Profesionales
Severstal Aircompany
Shaheen Air
Shandong Airlines
Shanghai Airlines
Shanxi Airlines
Shenzhen Airlines
Shepparton Airlines
Shuttle America
Sibaviatrans
Siberia Airlines
Sichuan Airlines
Siem Reap Airways Intl
Sierra National Airlines
Simmons Airlines
Sirena JSC
Skorpio Aviation
Sky Airline
Sky West Airlines
Skyeurope Airlines
Skymark Airlines
Skynet Airlines
Skynet Asia Airways
Skyservice Airlines
Skytrans
Skyways Ab
Skywest Airlines
Slovak Airlines
Smart Wings
Smokey Bay Air
SN Brussels Airlines
SNCF
Sobelair
Soc Aero de Medellin
Soder Airlines
Solomon Airlines
South African Airlink
South African Express
South Airlines
South East Asian Airline
Southern Independent Air
Southern Winds
Southwest Airlines
Spanair
Spirit Airlines
Star Air
Star Airlines
State Orenburg Avia
STC Russia
Sterling
Styrian Spirit
Sudan Airways
Sun Air of Scandinavia
Sun Country
Sun Express
Sunair
Sunshine Express
Superior Aviation Inc
Surinam Airways
Sutra Inc.
Svenska Direktflyg AB
Swan Airlines
Swazi Express
Swe Fly
Swedline
Swiftair SA
Swiss
Swisswings
Sylt Air
Syrian Arab Airlines
Spanair