The announcement follows reports that air bridges will be available from next week to allow Britons to take holidays in other countries without quarantining for 14 days.
The Government will finalise agreements in coming days to allow people to travel from the UK to a small number of countries including Spain, France and Greece, according to reporting by The Times, The Sun and The Daily Telegraph.
Robert Carey, chief commercial and strategy officer, said: “We are really pleased to be relaunching even more of our flights from 1 July and starting to get customers away on their much-needed summer holidays.
“Of course, the safety and wellbeing of our customers and crew remains our highest priority.
“This is why we have implemented a number of measures enhancing safety at each part of the journey from disinfecting the aircraft to requiring customers and crew to wear masks.”
It came as the budget airline raised £419 million from investors to help it withstand the continuing impact of coronavirus.