This offer applies to approximately 250 Carribean voyages on six different ships, from 1 December 2019 to 22 May 2021, writes Stella Bullock.
All main meals and a drinks package are included, as is up to $1,500 spending money onboard, depending on the cruise length and the type of stateroom.
The deal is on sale until the end of July.
Tony Roberts, vice-president of Princess Cruises UK and Europe, said: “With its white sands, year-round sunshine and crystal clear waters, the Caribbean remains a hot spot for returning and new-to-cruise guests.