Carnival Cruise Lines will implement dynamic pricing for drink and Wi-Fi packages starting December 1 based on itinerary, season and sailing lengthBusinessOct 20 at 7:55 AM – Oct 20 at 6:54 PM3 outletsCTV NewsMajor cruise line to introduce dynamic pricing Oct 20 at 6:43 PMBNN BloombergMajor cruise line to introduce dynamic pricing Oct 20 at 6:43 PMNBC ChicagoCarnival Cruise introduces dynamic pricing for popular onboard amenities Oct 20 at 7:55 AM