The amber and green lists have also been merged in a move expected to increase tourist confidence.
All countries will now be divided into red list and ‘rest of world’. Travellers from red list countries will still need to quarantine for ten days in a Government hotel.
Heathrow chief, John Holland-Kaye, said the simplified rules were “very welcome”.
However, restrictions on UK tourists entering popular holiday destinations such as the US could continue to impact traveller numbers.