There are currently 76 upcoming cruises on Oceania Cruise Line's Sirena. This includes all future itineraries through March 3, 2027. The next itinerary departs from Antwerp, Belgium. The average price for all upcoming sailings on the Sirena is currently $288 per passenger, per day for the inside cabin type. The chart below shows the plotted prices of each sailing as well as the overall average for this ship.