Costa Diadema

Costa Cruises

7 days, round-trip South America from Buenos Aires

Departure

Wed, Dec 23, 2026

Return

Wed, Dec 30, 2026

Duration

7 Nights

From

Buenos Aires, Argentina

Ship Hub

3 aboard Costa Diadema

Chat, meetups, ports and guides for everyone aboard.

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Live Pricing

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Current per-cabin pricing direct from the cruise line.

InteriorSAVE

$1,665$1,930

Save $265

Fare code: MYCRUISE

OceanviewSOLD OUT

Currently unavailable

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BalconySOLD OUT

Currently unavailable

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SuiteSOLD OUT

Currently unavailable

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Prices include taxes & port fees. Final pricing may vary based on availability at booking.

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Route & Ports

Buenos Aires, Argentina

23 Dec 18:00

Depart

Montevideo, Uruguay

24 Dec 08:00 - 16:00

Itajai, Brazil

26 Dec 10:00 - 17:00

Santos, Sao Paulo, Brazil

27 Dec 08:00 - 17:00

Buenos Aires, Argentina

30 Dec 08:00

Arrive

Who’s Going

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Cruise guides

Cruise Guides

Practical reading from people who actually cruise.

Cruising Solo: How to Avoid the Single Supplement (Without Cruising Alone)

The single supplement can add 125-200% to your fare. Here is why it exists, which cruise lines have real solo cabins, which have none at all, and how to sail alone without paying for an empty pillow.

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Solo Cruising Without the Cringe: How to Meet People, Flirt a Little, and Not Be Weird About It

Solo cruising doesn’t have to mean awkward mixers, lonely dinners, or talking only to the bartender. Here’s how to meet people, flirt without being creepy, handle rejection, and make real connections at sea.

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Cruise Roll Calls: What They Are, How They Work, and Why CruiseHuddle Makes Them Better

What a cruise roll call is, where to find one, why they fall apart, and how to actually meet the people sailing with you.

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Cruise Embarkation Day: Everything You Need to Know Before You Step Onboard

What actually happens on embarkation day, why trying to board first is a waste of your vacation, what belongs in your carry-on, and how to start the week the way you meant to.

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