Visitors from Estonia, Latvia, Slovakia, Slovenia and St Vincent and the Grenadines will be able to travel to the UK without quarantining for two weeks from Tuesday 28 July.
Portugal was not added to the updated list of travel corridors announced today, despite lobbying from the tourism industry bodies.
Today's announcement brings the number of countries with ‘air bridges' to the UK to 80. The full list can be viewed here.
Since 10 July, travellers arriving in the UK from countries without a travel corridor agreement have had to self-isolate for 14 days. This applies to all travel to England, by train, ferry, coach, air or any other route.
The government has also confirmed it will be updating the list of "safe" countries on a weekly basis going forward to "reflect the shifting international health picture".
Meanwhile, Cuba, Sri Lanka and Cambodia were added to a separate Foreign Office list of countries where advice is no longer against all-but-essential travel.