Tui plans to reopen holidays to the Greek Islands, Balearics, Canaries, and Portugal for the summer season.
More than 60% of the planned capacity for this summer is to such destinations.
The tour operator said: “We will be focussed on a reopening portfolio of destinations with expected well vaccination and low incidence rates.”
Tui pointed to research showing that its customers “value a strong brand, flexibility, comprehensive health and safety protocols with a good customer experience during these unprecedented times.