- Swiss European Air Lines is a Swiss regional airline based in Basel. It is a subsidiary of Swiss International Air Lines and operates regional flights within Europe. The airline's main hub is located at Zurich Airport, and it operates a fleet of Embraer E-Jet aircraft. Swiss European Air Lines provides connections between various European cities and serves as a feeder airline for Swiss International Air Lines. It offers both business and economy class cabins, and provides a range of services including onboard meals, WiFi, and in-flight entertainment.