Venus was delivered to Viking last month and joins its small-ship fleet alongside identical 930-guest sister ships Viking Star, Sea, Sky, Orion and Jupiter.
The ship will then enter service on 22 May sailing five Scenic Shore itineraries roundtrip from Portsmouth as part of its Welcome Back programme, calling in Liverpool, the Isles of Scilly, Falmouth and Portland.
Viking initially put three departures on sale, but a further two were added sailing on 19 June and 26 June after the initial run sold out in under a week.