Here You can find a list of airlines which operated in Shannon airport.
Baku - Silk Way West
Brussels-Zaventem - Aer Lingus, QatarAirways
Liège - QatarAirways, Arubaanse Luchtvaart
Sofia - Ryanair, British, Arubaanse Luchtvaart
Billund - Ryanair
Tallinn - Scandinavian Airlines System
Basel Mulhouse Freiburg - easyJet
Beziers - Ryanair
Marseille Provence - Ryanair
Paris Charles de Gaulle - Arubaanse Luchtvaart, Europe Airpost, Aer Lingus, AirOne, FedEx Express
Athens - Ryanair
Birmingham International - Ryanair
Bristol - easyJet, Ryanair
Cardiff Wales - Ryanair
East Midlands - Ryanair, Arubaanse Luchtvaart
Humberside - Arubaanse Luchtvaart
Liverpool John Lennon - Ryanair
London Gatwick - Ryanair, easyJet
London Luton - easyJet
London Stansted - Ryanair, Pacific Wings
Manchester - Ryanair, easyJet
Newcastle - Ryanair, easyJet
London Heathrow - Aer Lingus, American Airlines, AirCanada, British, United Airlines
Amsterdam Schiphol - QatarAirways, Ryanair
Maastricht Aachen - Alitalia Express, easyJet
Dublin - Arubaanse Luchtvaart, Ryanair, Aer Lingus, Europe Airpost, UPS, FedEx Express
Bari - Ryanair
Bologna - Ryanair
Catania - Ryanair
Milan Bergamo - Ryanair
Naples Capodichino - United Airlines, AirCanada, Lufthansa, Swiss International, Austrian, BrusselsAirlines, Ryanair
Rome Fiumicino - Ryanair
Trapani - Ryanair
Venice Marco Polo - Volotea
Zagreb - Ryanair
Riga - Ryanair
Kaunas - Ryanair
Luxembourg - Luxair
Malta Luqa - Ryanair
Wroclaw - Ryanair
Gdansk - Ryanair
Krakow - Ryanair
Lodz - Ryanair
Poznan - Ryanair
Warsaw Modlin - Ryanair
Faro - Ryanair, easyJet
Porto - Ryanair
Bukarest Otopeni - Ryanair
Edinburgh - Ryanair
Glasgow Prestwick - Ryanair
Zürich - American Airlines
Alicante - Ryanair
Barcelona Girona - Ryanair
Lanzarote Arrecife - Ryanair
Las Palmas Gran Canaria - Ryanair
Madrid Barajas - Ryanair, QatarAirways, easyJet
Malaga Costa del Sol - Ryanair
Palma de Mallorca - Ryanair
Seville - Ryanair, easyJet
Tenerife South - Ryanair
Zaragoza - QatarAirways
Ostrava - Arubaanse Luchtvaart
Istanbul Atatürk - Turkish, Transwest Air
Budapest - Ryanair
Paphos International - Ryanair
Bremen - easyJet
Düsseldorf - Condor Flugdienst
Erfurt Weimar - easyJet
Köln Bonn - Ryanair, UPS
Weeze - Ryanair