The 11,000 covers all areas of the business, with 4,455 retail staff (99%) furloughed from tomorrow (1 April) as Tui’s retail stores have closed.
A small number of team members will remain working as a virtual call centre to support the company’s other contact centres.
Team members will also continue to support third-party suppliers and agents.
Andrew Flintham, managing director Tui UK and Ireland, said: “The travel industry is facing unprecedented pressure.