Costa Diadema 7-Night Round Trip from Buenos Aires
Costa Diadema (Costa) sails this 7-night round trip from Buenos Aires on 11 upcoming dates (Dec 2026 through Mar 2027), from $1,302 per person. Every departure below links to its own page with live cabin prices, the full itinerary and online booking.
Ports on this route
Buenos Aires → Montevideo → Itajai → Santos → Buenos Aires
All upcoming departures
PRICE RISING
December 23, 2026
7 Night Round Trip South American Cruise from Buenos Aires
CruiseScore™ (3.66/5)
Costa Diadema
S
M
L
XL
Buenos Aires
→
Montevideo
→
Itajai
→
Sao Paulo
→
Buenos Aires
Inside
December 30, 2026
7 Night Round Trip South American Cruise from Buenos Aires
CruiseScore™ (3.61/5)
Costa Diadema
S
M
L
XL
Buenos Aires
→
Montevideo
→
Itajai
→
Sao Paulo
→
Buenos Aires
Inside
January 6, 2027
7 Night Round Trip South American Cruise from Buenos Aires
CruiseScore™ (3.91/5)
Costa Diadema
S
M
L
XL
Buenos Aires
→
Montevideo
→
Itajai
→
Sao Paulo
→
Buenos Aires
Inside
January 13, 2027
7 Night Round Trip South American Cruise from Buenos Aires
CruiseScore™ (3.85/5)
Costa Diadema
S
M
L
XL
Buenos Aires
→
Montevideo
→
Itajai
→
Sao Paulo
→
Buenos Aires
Inside
January 20, 2027
7 Night Round Trip South American Cruise from Buenos Aires
CruiseScore™ (3.76/5)
Costa Diadema
S
M
L
XL
Buenos Aires
→
Montevideo
→
Itajai
→
Sao Paulo
→
Buenos Aires
Inside
January 27, 2027
7 Night Round Trip South American Cruise from Buenos Aires
CruiseScore™ (3.98/5)
Costa Diadema
S
M
L
XL
Buenos Aires
→
Montevideo
→
Itajai
→
Sao Paulo
→
Buenos Aires
Inside
February 3, 2027
7 Night Round Trip South American Cruise from Buenos Aires
CruiseScore™ (3.98/5)
Costa Diadema
S
M
L
XL
Buenos Aires
→
Montevideo
→
Itajai
→
Sao Paulo
→
Buenos Aires
Inside
February 17, 2027
7 Night Round Trip South American Cruise from Buenos Aires
CruiseScore™ (3.99/5)
Costa Diadema
S
M
L
XL
Buenos Aires
→
Montevideo
→
Itajai
→
Sao Paulo
→
Buenos Aires
Inside
February 24, 2027
7 Night Round Trip South American Cruise from Buenos Aires
CruiseScore™ (4.02/5)
Costa Diadema
S
M
L
XL
Buenos Aires
→
Montevideo
→
Itajai
→
Sao Paulo
→
Buenos Aires
Suite
March 3, 2027
7 Night Round Trip South American Cruise from Buenos Aires
CruiseScore™ (3.98/5)
Costa Diadema
S
M
L
XL
Buenos Aires
→
Montevideo
→
Itajai
→
Sao Paulo
→
Buenos Aires
Inside
LOWEST PRICE EVER
March 10, 2027
7 Night Round Trip South American Cruise from Buenos Aires
CruiseScore™ (4.02/5)
Costa Diadema
S
M
L
XL
Buenos Aires
→
Montevideo
→
Itajai
→
Sao Paulo
→
Buenos Aires
Suite
