Costa Diadema cruises

Costa Diadema - Best Deals in July 2025

Costa Cruise Line's ship, the Costa Diadema has five cruises sailing in July 2025. The cheapest available Inside Cabin during this month is available to purchase for $1,019 before taxes and fees.

On a "per night" basis, the best deal for an inside cabin in July, 2025 is available for $145.57143 per night.