The airline was established on 18 May 1988 as TEA Basel and started operations on 23 March 1989 as part of the TEA group of airlines which provided charter flights from various European destinations. In March 1998, EasyJet took a 40% stake in the airline, which began franchise services on 1 April 1999. In 2007, the airline was owned by private investors (51%) and easyJet plc (49%) and had 430 employees.
As of July 2011, the EasyJet Switzerland fleet consists of the following aircraft:
Over the years, TEA Basel/EasyJet Switzerland operated the following aircraft types: