The line had to contend with “technical issues” impacting its website booking system shortly after going on sale Monday morning – which P&O said had been caused by “unprecedented demand” from customers.
However travel agents were still able to make bookings via P&O’s trade systems and a spokesperson confirmed the technical problems had been rectified by lunchtime.
A series of three- four- and seven-night cruises onboard Britannia and the line’s new ship Iona will sail from Southampton between June and September.
Prices lead in from £449pp for three nights onboard Britannia and from £1,199pp for Iona’s seven-night maiden voyage.