They are also required to take a Covid test on or before day two of their quarantine period and on or after day eight.
Critics have hit out at the number of destinations on the green list, and have called for the Greek islands, the Canary Islands and the Balearic Islands to be added.
EasyJet Holidays CEO Garry Wilson told BBC Breakfast: “The good news is travel is reopening and our customers can look forward to those well-earned breaks in the summer that they’ve been waiting many months for.
“I think the very disappointing news is just the number of countries that are on the list, and if you look at European countries there’s very few, and of those European countries the major holiday destination is Portugal.