Costa Diadema: Our cruises in South America for 2026

14cruises found

cruises

Your search criteria:

Costa Diadema - South America

Argentina, Brazil, Uruguay

Itinerary : Buenos Aires, Montevideo, Itajai, Santos, Buenos Aires

On-board meals included

14 other departures

Costa Diadema

8 d

Inside Stateroom

Buenos Aires

2/24/2027

from

$ 949

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Montevideo,Santos,Itajai

Other departures:

18-25 Feb 2026

04-18 Mar 2026

23-30 Dec 2026

Other departures

View offers

Brazil

Itinerary : Santos, Ilhabella, Itajai, Santos

On-board meals included

6 other departures

Costa Diadema

5 d

Inside Stateroom

Santos

3/29/2026

from

$ 546

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other departures:

05-12 Apr 2026

29 Nov 2026

06-13 Dec 2026

Other departures

View offers

Brazil

Itinerary : Itajai, Santos, Ilhabella, Itajai

On-board meals included

3 other departures

Costa Diadema

5 d

Inside Stateroom

Itajai

12/12/2026

from

$ 552

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Santos

Other departures:

28 Nov 2026

05 Dec 2026

20 Mar 2027

View offers

Brazil

Itinerary : Santos, Ilhabella, Itajai, Santos

On-board meals included

Costa Diadema

5 d

Inside Stateroom

Santos

3/28/2027

from

$ 562

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Itajai

View offers

Brazil

Itinerary : Itajai, Santos, Ilhabella, Itajai

On-board meals included

Costa Diadema

5 d

Inside Stateroom

Itajai

3/27/2027

from

$ 562

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Santos

View offers

Brazil, Uruguay, Argentina

Itinerary : Santos, Buenos Aires, Montevideo, Itajai, Santos

On-board meals included

17 other departures

Costa Diadema

8 d

Inside Stateroom

Santos

3/8/2026

from

$ 948

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Montevideo,Buenos Aires,Itajai

Other departures:

22 Feb 2026

01-15-22 Mar 2026

20-27 Dec 2026

Other departures

View offers

Uruguay, Argentina, Brazil

Itinerary : Montevideo, Itajai, Santos, Buenos Aires, Montevideo

On-board meals included

13 other departures

Costa Diadema

8 d

Inside Stateroom

Montevideo

2/25/2027

from

$ 949

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Buenos Aires,Itajai,Santos

Other departures:

19-26 Feb 2026

12 Mar 2026

24-31 Dec 2026

Other departures

View offers

Brazil, Uruguay, Argentina

Itinerary : Itajai, Santos, Buenos Aires, Montevideo, Itajai

On-board meals included

15 other departures

Costa Diadema

8 d

Inside Stateroom

Itajai

2/28/2026

from

$ 1,048

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Santos,Montevideo,Buenos Aires

Other departures:

21 Feb 2026

21 Mar 2026

19-26 Dec 2026

Other departures

View offers

Brazil

Itinerary : Santos, Rio de Janeiro, Salvador de Bahia, Maceio

On-board meals included

1 other departures

Costa Diadema

6 d

Inside Stateroom

Santos

4/4/2027

from

$ 478

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other departures:

19 Apr 2026

View offers

Brazil

Itinerary : Santos, Rio de Janeiro, Salvador de Bahia

On-board meals included

Costa Diadema

5 d

Inside Stateroom

Santos

4/19/2026

from

$ 488

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

View offers

Brazil

Itinerary : Itajai, Santos, Itajai

On-board meals included

4 other departures

Costa Diadema

4 d

Inside Stateroom

Itajai

12/16/2026

from

$ 439

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Santos

Other departures:

01 Apr 2026

25 Nov 2026

02-09 Dec 2026

View offers

Brazil

Itinerary : Itajai, Santos, Ilhabella, Itajai

On-board meals included

1 other departures

Costa Diadema

4 d

Inside Stateroom

Itajai

3/31/2027

from

$ 459

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Santos

Other departures:

24 Mar 2027

View offers

Brazil

Itinerary : Santos, Ilhabella, Itajai, Santos

On-board meals included

1 other departures

Costa Diadema

4 d

Inside Stateroom

Santos

4/1/2027

from

$ 459

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Itajai

Other departures:

25 Mar 2027

View offers

Brazil, Uruguay

Itinerary : Montevideo, Itajai, Santos

On-board meals included

Costa Diadema

4 d

Inside Stateroom

Montevideo

3/26/2026

from

$ 537

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

View offers

Cruises South America on Costa Diadema