Arvia vs Iona - 10 Key Differences Between P&O Cruises New Ships With P&O Arvia nearing completion, find out 10 New Features she has to offer that differ to sister ship Iona. Read More New ship, P&O Cruises, Arvia, IonaKathy TaylorAugust 28, 2022p&o cruises, arvia, iona, p&o arvia, p&o iona, differences between iona and arvia, differences between arvia and iona, arvia vs iona, iona vs arvia, compare arvia and with iona, iona arvia comparison, sister ships arvia and iona, p&o cruises arvia, p&o cruises iona Comments