Here You can find a list of airlines which operated in Sofia airport.
Brussels-Charleroi - Ryanair, WizzAir
Sarajevo - QatarAirways, Rwandair Express
Burgas - BulgariaAir, QatarAirways
Varna - Alitalia, BulgariaAir, Ryanair, QatarAirways, Aegean, Bulgarian Air Charter, AirSerbia, Thomas Cook
Copenhagen Kastrup - WizzAir
Basel Mulhouse Freiburg - WizzAir
Nice - WizzAir
Paris Charles de Gaulle - TNT, FedEx Express, BulgariaAir, Arubaanse Luchtvaart, AirFrance
Athens - Aegean, BulgariaAir, Sky Express Greece, BHAir, QatarAirways
Chania - Ryanair
Rhodes - Ryanair
Birmingham International - Ryanair
Liverpool John Lennon - Ryanair
London Luton - WizzAir, BHAir
London Stansted - Ryanair, Pacific Wings
London Heathrow - BulgariaAir, British, American Airlines
Amsterdam Schiphol - BulgariaAir, KLM Royal
Eindhoven - WizzAir, Ryanair
Bari - Ryanair, WizzAir
Bologna - Ryanair, WizzAir
Catania - WizzAir, Ryanair
Milan Bergamo - WizzAir, Ryanair
Olbia Sardinia - BHAir
Rome Ciampino - Ryanair, WizzAir
Rome Fiumicino - QatarAirways, BulgariaAir, Alitalia, Ethiopian Airlines, Etihad, KLM Royal
Treviso - Ryanair
Almaty - Thomas Cook
Zadar - Ryanair
Zagreb - Pacific Wings, Ryanair
Malta Luqa - Ryanair
Oslo Gardermoen - Norwegian AirShuttle
Vienna Schwechat International - Austrian, Ryanair
Wroclaw - Ryanair
Krakow - Ryanair
Poznan - Ryanair
Warsaw Chopin - LOT
Lisbon Portela - WizzAir
Bukarest Otopeni - Ryanair, BulgariaAir, Tarom, AirBaltic, BHAir
Targu Mures - WizzAir
Edinburgh - Ryanair
Stockholm Skavsta - WizzAir
Geneva - WizzAir
Zürich - Swiss International, BulgariaAir, Helvetic, AirBaltic, QatarAirways
Belgrade - BulgariaAir, BHAir, WizzAir
Bratislava - Ryanair
Alicante - WizzAir
Barcelona El Prat - BulgariaAir, Iberia, WizzAir, Ryanair, Arubaanse Luchtvaart
Las Palmas Gran Canaria - Ryanair
Madrid Barajas - BulgariaAir, Iberia, Carpatair, Ryanair, WizzAir
Malaga Costa del Sol - BulgariaAir, Ryanair
Palma de Mallorca - BulgariaAir, Ryanair
Seville - Arubaanse Luchtvaart
Valencia - WizzAir, Iberia
Antalya - Pegasus, BulgariaAir, Corendon Airlines, BHAir
Istanbul Atatürk - Turkish, IndiGo, Royal Jordanian, Bulgarian Air Charter, Finnair, Egyptair, Singapore Airlines, Carpatair
Budapest - Ryanair
Larnaca International - WizzAir
Paphos International - Ryanair
Dortmund - WizzAir
Frankfurt am Main - Ethiopian Airlines, Lufthansa, United Airlines, Singapore Airlines, AirCanada, TAP Portugal, All Nippon Airways, BulgariaAir, QatarAirways, Scandinavian Airlines System
Frankfurt Hahn - WizzAir
Köln Bonn - Ryanair
Memmingen - WizzAir, Ryanair
Munich - Lufthansa
Nuremberg - Ryanair