A 3 day London itinerary to help you spend a perfect 3 days in London. Our 3 day London itinerary helps you see the highlights of London and helps you with planning your 3 days in London. Our itinerary includes London's most famous attractions (e.g., Tower of London, Windsor Castle) as well as some of the city's lesser known attractions. In addition to the 3 day itinerary, we also provide tips on how to get around London, a walking map, and money saving tips for your trip to London.