It'll sail from Hull to Rotterdam between 9th and 10th March.
The gloabl port operator originally purchased it back in 2006.
The public voted them Best Ferry/Minicruise Operator and Best Ferry Booking Website.
19 new stores will be opened across 15 P&O ships.
The improvements will allow it to accomodate P&O Cruises new ship Iona when it launches in 2020.
Guests won't have to pay the £7 a day from May 2019.
Replacing it is the brand-new 5,200-passenger ship Iona and an as of yet unnamed vessel.
Carried out in conjunction with conservation charity ORCA, it's part of a larger effort to monitor the Irish Sea's marine life.
The 5,200 passenger Iona will officially join the fleet in May 2020.
Customers can now store tickets, purchase travel money, view deck plans and so much more all from their smartphone.
Whether you’re thinking of taking a regular trip or a new adventure on our Irish Sea route from Cairnryan to Larne then NOW is the time to book, as for a limited time we’re offering an amazing 15% discount on your booking!
Book a Dover to Calais day trip with P&O by 21st March 2019 and get 6 bottles of Banrock Red or White Wine!
Sail between Cairnryan and Larne and take your Caravan for FREE when travelling on a midweek ferry. Book by 18th December 2019.