The line's two largest ships will join Majestic Princess homeporting in the Mediterranean during Princess Cruises' 40th season there, while Sky Princess, Regal Princess and Emerald Princess will sail from Southampton.
As earlier reported, Star Princess is to debut in August 2025 with nine- and 10-day cruises round-trip Civitavecchia (Rome).
Sister Sun Princess will sail a series of seven-day Mediterranean voyages from Barcelona, Civitavecchia and Piraeus.
Seven- to 31-day cruises
Emerald Princess, Majestic Princess and Sky Princess join the Mediterranean lineup for a range of seven- to 31-day cruises from Southampton, Barcelona, Civitavecchia, Trieste and Piraeus.
The new 31-day 'Mediterranean Marvel' cruise on Sky Princess offers 'More Ashore' late nights at Mykonos, Santorini and Ashdod (for Jerusalem and Bethlehem).
British Isles and Scandinavia
From Southampton, Emerald Princess and Regal Princess will sail 10- to 14-day cruises with highlights such as Liverpool, ports in the Scottish Highlands and late-night calls at Belfast.
Emerald Princess and Sky Princess are scheduled for five- to 28-day voyages that visit Sweden, Norway, Denmark, Iceland and beyond, with select voyages making late-night calls at cities including Copenhagen and Berlin.
All six ships will reposition between North America and Europe on 15- to 29-day voyages.
Cruise-tours add a land program such as 'Highlights of Spain,' featuring Madrid, 'Classic Italy' with Florence and Rome, 'Best of Greece' and 'Ring of Kerry,' highlighting Ireland.
Princess Cruises' EZair offers customized air itinerary suggestions, low prices with flexible fares and the reassurance that the line will get passengers to their ship.