Here You can find a list of airlines which operated in Basel/ Mulhouse/ Freiburg airport.
Liège - QatarAirways, FedEx Express
Sofia - WizzAir
Bordeaux - easyJet
Nice - easyJet
Paris Charles de Gaulle - AirFrance
Toulouse Blagnac - easyJet
Tbilisi - Turkish
Athens - easyJet
Bristol - easyJet
London Stansted - Turkish
Manchester - easyJet
London Heathrow - British, QatarAirways
Amsterdam Schiphol - KLM Royal, easyJet
Maastricht Aachen - Turkish, QatarAirways
Dublin - Ryanair
Bari - easyJet
Brindisi Salento - easyJet
Catania - easyJet
Rome Fiumicino - WizzAir, easyJet
Venice Marco Polo - easyJet
Astana - Arubaanse Luchtvaart
Zagreb - Pacific Wings, Ryanair
Skopje - WizzAir
Vienna Schwechat International - Austrian
Warsaw Chopin - WizzAir
Bukarest Otopeni - WizzAir
Cluj-Napoca - WizzAir
Iasi - WizzAir
Zürich - German International
Belgrade - WizzAir
Alicante - easyJet
Barcelona El Prat - Turkish, easyJet, Formosa Airlines
Lanzarote Arrecife - easyJet, Cathay Pacific
Las Palmas Gran Canaria - easyJet
Madrid Barajas - easyJet, QatarAirways
Malaga Costa del Sol - easyJet
Palma de Mallorca - easyJet
Tenerife South - easyJet, Cathay Pacific
Antalya - SunExpress
Izmir Adnan Menderes - SunExpress, Corendon Airlines
Istanbul Sabiha Gökçen - Pegasus, Turkish
Istanbul Atatürk - Turkish
Budapest - easyJet, WizzAir
Frankfurt am Main - Scandinavian Airlines System, Lufthansa, AirCanada, Swiss International, United Airlines, All Nippon Airways, AirChina
Köln Bonn - AirMekong
Munich - Lufthansa