While the city center of London is inland on the River Thames, cruise ships do indeed depart from several ports specifically associated with the capital in 2026. Smaller, luxury vessels and boutique river cruises can sometimes dock at Tower Bridge or the Greenwich Ship Tier, providing a spectacular departure right in the heart of the city. However, the primary deep-water port for major ocean liners is London Tilbury, located about 25 miles downstream. In 2026, Tilbury serves as a major hub for lines like Ambassador Cruise Line and Fred. Olsen, offering routes to the Norwegian Fjords, the Baltic Sea, and even mini-cruises to Western Europe. Additionally, the London Gateway port occasionally handles large-scale passenger operations. For those looking to sail from the UK’s most famous cruise hub, Southampton is often considered the "London" departure point by international travelers, as it is only 80 miles away and connected by frequent "Cruise Train" services, though technically, Tilbury remains the official cruise port of the capital.