The 2,910-passenger ship – part of the line’s Edge-series fleet – is currently operating an eight-night Norwegian Fjords sailing.
During summer 2024, Apex will offer a mix of itineraries, ranging from four to 13 nights, visiting places such as Arctic Circle and party island Ibiza.
Celebrity president Laura Hodges Bethge said: “We’re bringing one of our most innovative ships to Southampton, providing guests the opportunity to sail in style directly from the UK.