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

3/11/2026

from

US$ 826

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Santos,Itajai

Other departures:

18-25 Feb 2026

18 Mar 2026

23-30 Dec 2026

Other departures

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Brazil

Itinerary : Santos, Ilhabella, Itajai, Santos

On-board meals included

5 other departures

Costa Diadema

5 d

Inside Stateroom

Santos

12/6/2026

from

US$ 552

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Itajai

Other departures:

29 Mar 2026

05 Apr 2026

29 Nov 2026

Other departures

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Brazil

Itinerary : Itajai, Santos, Ilhabella, Itajai

On-board meals included

4 other departures

Costa Diadema

5 d

Inside Stateroom

Itajai

12/12/2026

from

US$ 552

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Santos

Other departures:

04 Apr 2026

28 Nov 2026

05 Dec 2026

Other departures

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Brazil

Itinerary : Santos, Ilhabella, Itajai, Santos

On-board meals included

Costa Diadema

5 d

Inside Stateroom

Santos

3/28/2027

from

US$ 562

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Itajai

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Brazil

Itinerary : Itajai, Santos, Ilhabella, Itajai

On-board meals included

Costa Diadema

5 d

Inside Stateroom

Itajai

3/27/2027

from

US$ 562

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Santos

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Brazil, Uruguay, Argentina

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

On-board meals included

17 other departures

Costa Diadema

8 d

Inside Stateroom

Itajai

3/7/2026

from

US$ 948

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Santos,Buenos Aires

Other departures:

21-28 Feb 2026

14-21 Mar 2026

19-26 Dec 2026

Other departures

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Brazil, Uruguay, Argentina

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

On-board meals included

16 other departures

Costa Diadema

8 d

Inside Stateroom

Santos

3/8/2026

from

US$ 948

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Itajai,Buenos Aires

Other departures:

01-15-22 Mar 2026

20-27 Dec 2026

03-10-17-24-31 Jan 2027

Other departures

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Uruguay, Argentina, Brazil

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

On-board meals included

11 other departures

Costa Diadema

8 d

Inside Stateroom

Montevideo

2/25/2027

from

US$ 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 Feb 2026

24-31 Dec 2026

07-14-21-28 Jan 2027

Other departures

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Brazil

Itinerary : Santos, Rio de Janeiro, Salvador de Bahia

On-board meals included

Costa Diadema

5 d

Inside Stateroom

Santos

4/19/2026

from

US$ 378

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

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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

US$ 478

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other departures:

19 Apr 2026

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Brazil

Itinerary : Itajai, Santos, Itajai

On-board meals included

5 other departures

Costa Diadema

4 d

Inside Stateroom

Itajai

12/16/2026

from

US$ 439

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Santos

Other departures:

08-15 Apr 2026

25 Nov 2026

02-09 Dec 2026

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Brazil

Itinerary : Itajai, Santos, Ilhabella, Itajai

On-board meals included

1 other departures

Costa Diadema

4 d

Inside Stateroom

Itajai

3/31/2027

from

US$ 459

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Santos

Other departures:

24 Mar 2027

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Brazil

Itinerary : Santos, Ilhabella, Itajai, Santos

On-board meals included

1 other departures

Costa Diadema

4 d

Inside Stateroom

Santos

4/1/2027

from

US$ 459

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

Other ports of embarkation:

Itajai

Other departures:

25 Mar 2027

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Brazil, Uruguay

Itinerary : Montevideo, Itajai, Santos

On-board meals included

Costa Diadema

4 d

Inside Stateroom

Montevideo

3/26/2026

from

US$ 537

Special Prices for Families

Full board"

Authentic Italian cuisine

On-board meals included

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Cruises South America on Costa Diadema