7 Night Round Trip from Copenhagen on the Costa Diadema
Settle in for seven nights of relaxing sailing across the sea when you embark on the Costa Diadema from Copenhagen and back.
This sailing is noteworthy because you'll only stop in once-in-a-lifetime cities such as Kiel, Visby, and Gdansk. This route is an unusual one for the Diadema, As it sails it only once.
We include all entertainment, meals, port fees, and taxes in this price, so there are no surprises at checkout.
The Costa Diadema
Based in South America and Europe and refurbished just three years ago in 2023, more than 3,700 guests can cruise comfortably on this Dream class vessel.
The Diadema Costa has a roller skating rink, a jacuzzi, an outdoor movie theater, a solarium, a spa, a gym, and a casino.
Your Itinerary
This itinerary spends four days in port and two sea days. High points include a long stop in Kiel in addition to visits to rare ports like Visby and Gdansk.
Alternate Sailings
The Diadema sails this route once next year, but doesn't sail it this year. No other ship sails this exact same route. In the accompanying graphic you can see a visualization of when this ship sails as well as the relative price for a suite.
Book Your Cruise
This graph shows the cost over time for the various types of cabin. Since being listed eight months ago, The cost of this sailing has ranged between $1,763 and $2,638 for a suite, inclusive of taxes and port fees. At only 15% more expensive than the all time low of $1,763 right now is a great time to lock in your suite
Last Updated: Oct 2, 2026
Last Modified: Oct 2, 2026