There are cruises from Tampa to the UK and Europe. They are one-way cruises, and a unique way to travel across the Atlantic. See the calendar of departures below.
The purpose of these cruises is to reposition the ships from their winter home in Tampa to their summer home in Europe. One-way voyages aren't as popular as roundtrips, therefore cruise lines offer these trips at a discount.
A Transatlantic cruise is a classic journey harkening back to the days before commercial air travel. Cross the Atlantic in style and comfort.