7 Night Round Trip from Buenos Aires on the Costa Diadema
Embark on the Costa Diadema and settle in for seven nights of exciting cruising across the sea from Buenos Aires and back!
This trip is particularly interesting because you'll exclusively spend time at rare ports such as Itajai, Montevideo, and Santos. This route is an uncommon one for the Diadema, But December is the most popular month of the year to sail it.
We include all all entertainment, meals, taxes, and port fees in our price, so there are no surprises. Act now, because the price of this sailing is going up! Secure your outside cabin before the price rises.
The Costa Diadema
Based in South America and Europe and refurbished just three years ago in 2023, over 3,700 travelers can travel on this Dream class cruise ship.
The Diadema Costa wows guests with a roller skating rink, a casino, a spa, a gym, a jacuzzi, a solarium, and an outdoor movie theater.
Your Itinerary
This itinerary consists of three port days and three sea days. Highlights include visits to once-in-a-lifetime ports like Itajai, Montevideo, and Santos.
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Outlook
Alternate Sailings
The Diadema sails this route two times this year in addition to nine times next 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 an outside cabin.
Book Your Cruise
The accompanying graph shows the price over time for the various classes of cabin. Since being listed seven months ago, The price of an outside cabin on this sailing has fluctuated between $1,424 and $1,825 including taxes and port fees. This itinerary has just risen in price, so secure your outside cabin now before it moves upwards further.
Last Updated: Oct 2, 2026
Last Modified: Sep 27, 2026