The length of a trip to the UK depends on your interests, budget, and available time.
Here are some general recommendations: London: As the capital of the United Kingdom, London has many famous attractions such as Big Ben, the Tower of London, Buckingham Palace, the National Gallery, and more.
Spend at least a few days exploring the city.
Cambridge and Oxford: If you're interested in history and old university towns, consider visiting these two cities.
One day in each city may be enough.
Scotland: If you have time, consider exploring Edinburgh and the Scottish Highlands in Scotland.
It will take at least a few days.
South Coast of England: If you prefer seaside scenery, consider heading to places like Cornwall or Dorset.
Each place will take at least a few days.
York: This city has a lot of history and beautiful old buildings that are worth a day to visit.
Lake District: If you love the outdoors and stunning natural landscapes, consider spending a few days in the Lake District.
You can choose how long you want to stay according to your interests and schedule.
Generally speaking, at least a week will allow you to get the most out of your trip to the UK.