Guests can save up to £2,000 on existing fares on British Isles, Iceland, Greenland, the Nordics and Canada sailings. Ambience embarked on its maiden voyage last month.
There are also savings available on autumn and winter sun voyages to the Mediterranean, the Canaries and Morocco. A 14-night sailing starts at £749pp and 21 nights are available from £1,199pp.
Fares include full-board cuisine, a welcome and farewell cocktail party, a gala dinner and a baked Alaska parade, as well as entertainment, use of the gym, swimming pool, hot tubs and spa, and porterage of luggage.
Ambassador is the first British cruise line to launch in the UK in more than a decade and will offer no-fly itineraries from Tilbury aimed at the 50-plus traveller.