The link you followed will bring you to this page:

https://www.ncl.com/cruises/14-day-from-sydney-to-bali-brisbane-cairns-lombok-and-darwin-SPIRIT14SYDBNEAIRCNSCOTDRWLEMDPS?destinations=4294960641&embarkationport=4294953382&sailMonths=4294932275&duration=8053&ships=4294960203&numberOfGuests=4294953449&sortBy=featured&autoPopulate=f&from=resultpage&itineraryCode=SPIRIT14SYDBNEAIRCNSCOTDRWLEMDPS&CID=PR_PRT_USA_NA_PRS_NEWS_PRS_DEPLOY2425B3_NA_NA_NA