- Travel Service is a Czech charter airline that was established in 1997. It is part of the Smartwings Group and operates scheduled and charter flights to various leisure destinations. The airline is based in Prague and has a fleet of Boeing 737 and Airbus A320 aircraft. Travel Service offers services to both individual customers and travel agencies, and it also operates under the brand name of Smartwings on some routes. The airline's destinations include popular vacation spots in Europe, Africa, Asia, and the Caribbean.