Discounted fares starting at £99 for third and fourth passengers sharing the same cabin feature in a limited time offer by Princess Cruises.
The promotion is available on selected 2024 cruises from Southampton and in the Mediterranean until January 31.
New ship Sun Princess, together with Island Princess, Regal Princess, Sky Princess and Caribbean Princess feature in the offer.
The reduced fares for third and fourth passengers include a seven-night Spain and France cruise on Sky Princess, sailing from Southampton and calling at La Coruna, Bilbao, Le Verdon and Cherbourg on April 8.
Standard balcony fares start at £424 per person based on four people sharing a cabin.
The offer can be combined with a £50 low deposit and a monthly payment scheme.