Here You can find a list of airlines which operated in Salzburg airport.
Helsinki Vantaa - Finnair
Calvi Corsica - Corse-Mediterranee
Heraklion - Eurowings
London City - British
London Gatwick - easyJet
London Stansted - Ryanair
Southampton - British
London Heathrow - British
Amsterdam Schiphol - Transavia Holland
Eindhoven - Transavia Holland
Rotterdam The Hague - Transavia Holland
Oslo Gardermoen - Eastland Air
Vienna Schwechat International - Nas Air, Corse-Mediterranee
Madeira Funchal - Travel Service
Luleå - Overland Airways
Stockholm Arlanda - Scandinavian Airlines System
Las Palmas Gran Canaria - Eurowings
Palma de Mallorca - Eurowings
Tenerife South - Eurowings
Larnaca International - Eurowings
Düsseldorf - Eurowings
Frankfurt am Main - Lufthansa, Eurowings
Hamburg - Eurowings
Köln Bonn - Eurowings