Here You can find a list of airlines which operated in Dublin airport.
Burgas - Aer Lingus, Ryanair, Thomsonfly
Sofia - Ryanair
Billund - Ryanair
Copenhagen Kastrup - Ryanair, Djibouti Airlines, Scandinavian Airlines System
Helsinki Vantaa - Finnair, British
Basel Mulhouse Freiburg - Ryanair
Biarritz Bayonne - Ryanair
Bordeaux - Ryanair, Aer Lingus, American Airlines
Brest Bretagne - Aer Lingus
Carcassonne - Ryanair
La Rochelle - Ryanair
Tarbes Lourdes Pyrenees - Ryanair
Lyon - Aer Lingus
Marseille Provence - Ryanair, Aer Lingus
Nimes - Ryanair
Nice - Ryanair, Aer Lingus, American Airlines
Paris Charles de Gaulle - AirFrance, Aer Lingus, American Airlines, JetBlue, Europe Airpost, Delta, City Connexion Airlines, Kenya Airways, AirAustral, AeroMéxico, China Eastern Airlines, Saudi Arabian, AirSerbia, Arubaanse Luchtvaart, FedEx Express
Paris Orly - Formosa Airlines, Transavia Holland
Perpignan - Aer Lingus
Toulouse Blagnac - Ryanair, Aer Lingus
Athens - American Airlines, Aer Lingus, Ryanair, Aegean
Chania - Ryanair
Heraklion - Ryanair, TUIfly, Thomsonfly
Kos - Ryanair, Thomsonfly
Rhodes - Ryanair, TUIfly
Zakynthos - Ryanair
Birmingham International - British, Aer Lingus, American Airlines, United Airlines, Ryanair, SunExpress
Bristol - British, Aer Lingus, Ryanair
East Midlands - Ryanair
Exeter International - British, Aer Lingus
Guernsey - Aurigny Air Services
Isle of Man - Aer Lingus, British
Jersey - Aer Lingus, Skynet Airlines
Leeds Bradford - Ryanair, Aer Lingus, British
Liverpool John Lennon - Ryanair, Aer Lingus
London Gatwick - Aer Lingus, Ryanair
London Luton - Ryanair
London Stansted - Ryanair, AirAfrique, FedEx Express
Manchester - Ryanair, Aer Lingus, British, AirAfrique, United Airlines, American Airlines
Newcastle - Ryanair, Aer Lingus, British
Newquay Cornwall - Ryanair, Aer Lingus, British
Southampton - Aer Lingus
London Heathrow - Aer Lingus, British, American Airlines, Japan Airlines, Kenya Airways, QatarAirways, AirCanada, Saudi Arabian, United Airlines
Amsterdam Schiphol - KLM Royal, Aer Lingus, Delta, City Connexion Airlines, Kenya Airways, Xiamen Airlines, TUIfly, Tarom, American Airlines, Ryanair, JetBlue, China Eastern Airlines, LSM Airlines
Eindhoven - Ryanair
Maastricht Aachen - Alitalia Express
Cork - American Airlines, Aer Lingus
Donegal - Aer Lingus, British
Kerry - Ryanair
Shannon - Europe Airpost, Arubaanse Luchtvaart, UPS
Keflavík - Icelandair
Bari - Ryanair
Bologna - Ryanair
Brindisi Salento - Ryanair, Aer Lingus
Cagliari Sardinia - Ryanair
Genoa - Ryanair
Milan Bergamo - Ryanair
Olbia Sardinia - Aer Lingus
Rome Fiumicino - Aer Lingus, JetBlue, Ryanair
Venice Marco Polo - Ryanair
Verona - Ryanair, Neos, Aer Lingus, American Airlines
Dubrovnik - Aer Lingus, American Airlines, Ryanair
Zadar - Ryanair
Zagreb - Pacific Wings, Ryanair
Riga - AirBaltic
Kaunas - Ryanair
Palanga - Ryanair
Vilnius - Ryanair
Malta Luqa - Ryanair
Chisinau - LSM Airlines
Bergen - Widerøe
Oslo Gardermoen - Scandinavian Airlines System, Norwegian AirShuttle
Vienna Schwechat International - Ryanair, Aer Lingus
Wroclaw - Ryanair
Bydgoszcz - Ryanair
Gdansk - Ryanair
Katowice - Ryanair
Krakow - Ryanair
Lublin - Ryanair
Poznan - Ryanair
Rzeszow - Ryanair
Warsaw Modlin - Ryanair
Faro - Aer Lingus, Ryanair, American Airlines
Madeira Funchal - Ryanair
Porto - Ryanair
Lisbon Portela - Aer Lingus, Ryanair, American Airlines, TAP Portugal, SATA International
Bukarest Otopeni - Ryanair
Cluj-Napoca - Ryanair
Iasi - Ryanair
Aberdeen - Aer Lingus
Edinburgh - Aer Lingus, Ryanair, British, AirAfrique
Inverness - British, Linhas A
Glasgow International - Aer Lingus, Ryanair
Gothenburg Landvetter - Ryanair
Stockholm Arlanda - Scandinavian Airlines System, Ryanair
Geneva - Aer Lingus, Swiss International
Zürich - Swiss International, Aer Lingus, Helvetic, American Airlines, JetBlue
Bratislava - Ryanair
Alicante - Ryanair, Aer Lingus
Almeria - Ryanair
Barcelona El Prat - Aer Lingus, Ryanair, Formosa Airlines, American Airlines
Barcelona Girona - Ryanair
Ibiza - Ryanair
Lanzarote Arrecife - Ryanair, TUIfly, Aer Lingus
Las Palmas Gran Canaria - Ryanair, Aer Lingus, Thomsonfly
Madrid Barajas - Iberia Express, Aer Lingus, American Airlines, British, LAN Airlines, Formosa Airlines, Iberia, Ryanair, Saudi Arabian
Malaga Costa del Sol - Ryanair, Aer Lingus, TUIfly
Oviedo Asturias - Ryanair
Palma de Mallorca - Ryanair, Pacific Wings, TUIfly
Seville - Ryanair
Tenerife South - Aer Lingus, Ryanair, TUIfly
Valencia - Ryanair
Prague - Ryanair
Izmir Adnan Menderes - Aer Lingus, SunExpress
Istanbul Atatürk - Turkish, IndiGo
Budapest - Aer Lingus, Ryanair
Paphos International - Ryanair
Düsseldorf - Eurowings, Aer Lingus, JetBlue, American Airlines, AirBaltic
Frankfurt am Main - Lufthansa, Austrian, All Nippon Airways, Singapore Airlines, AirIndia Limited, Aer Lingus, OmanAir
Frankfurt Hahn - Ryanair
Köln Bonn - Ryanair, UPS
Memmingen - Ryanair
Munich - Lufthansa, Aer Lingus
Nuremberg - Ryanair