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November 30, 2025 - 4 Nights | - South America - From $652

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Sunday, November 30, 2025
Returns:	Itajai (Brazil) Thursday, December 04, 2025

Inside	Outside	Balcony	Suite
$652	$722	$792	$1,137

Inside	Outside	Balcony	Suite
$652	$722	$792	$1,137

View Itinerary

11/30	Itajai (Brazil) (Depart 05:00 PM)
12/01	Santos (Brazil) (08:00 AM - 04:30 PM)
12/02	Ilhabela (Brazil) (07:00 AM - 04:00 PM)
12/03	day at sea
12/04	Itajai (Brazil) (Arrive 09:00 AM)

December 04, 2025 - 3 Nights | - South America - From $449

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Thursday, December 04, 2025
Returns:	Itajai (Brazil) Sunday, December 07, 2025

Inside	Outside	Balcony	Suite
$449	$509	$579	$834

Inside	Outside	Balcony	Suite
$449	$509	$579	$834

View Itinerary

12/04	Itajai (Brazil) (Depart 06:00 PM)
12/05	Santos (Brazil) (08:00 AM - 04:30 PM)
12/06	day at sea
12/07	Itajai (Brazil) (Arrive 08:00 AM)

December 07, 2025 - 3 Nights | - South America - From $529

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Sunday, December 07, 2025
Returns:	Itajai (Brazil) Wednesday, December 10, 2025

Inside	Outside	Balcony	Suite
$529	$569	$754	-

Inside	Outside	Balcony	Suite
$529	$569	$754	-

View Itinerary

12/07	Itajai (Brazil) (Depart 05:00 PM)
12/08	Santos (Brazil) (08:00 AM - 04:30 PM)
12/09	day at sea
12/10	Itajai (Brazil) (Arrive 08:00 AM)

December 10, 2025 - 3 Nights | - South America - From $499

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Wednesday, December 10, 2025
Returns:	Itajai (Brazil) Saturday, December 13, 2025

Inside	Outside	Balcony	Suite
$499	$654	$724	-

Inside	Outside	Balcony	Suite
$499	$654	$724	-

View Itinerary

12/10	Itajai (Brazil) (Depart 05:00 PM)
12/11	Santos (Brazil) (08:00 AM - 04:30 PM)
12/12	day at sea
12/13	Itajai (Brazil) (Arrive 08:00 AM)

December 13, 2025 - 4 Nights | - South America - From $781

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, December 13, 2025
Returns:	Itajai (Brazil) Wednesday, December 17, 2025

Inside	Outside	Balcony	Suite
$781	$841	$921	-

Inside	Outside	Balcony	Suite
$781	$841	$921	-

View Itinerary

12/13	Itajai (Brazil) (Depart 05:00 PM)
12/14	Santos (Brazil) (08:00 AM - 04:30 PM)
12/15	Ilhabela (Brazil) (07:00 AM - 08:00 PM)
12/16	day at sea
12/17	Itajai (Brazil) (Arrive 08:00 AM)

December 17, 2025 - 3 Nights | - South America - From $499

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Wednesday, December 17, 2025
Returns:	Itajai (Brazil) Saturday, December 20, 2025

Inside	Outside	Balcony	Suite
$499	$549	$619	$874

Inside	Outside	Balcony	Suite
$499	$549	$619	$874

View Itinerary

12/17	Itajai (Brazil) (Depart 05:00 PM)
12/18	Santos (Brazil) (08:00 AM - 04:30 PM)
12/19	day at sea
12/20	Itajai (Brazil) (Arrive 08:00 AM)

December 20, 2025 - 7 Nights | - South America - From $1,275

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, December 20, 2025
Returns:	Itajai (Brazil) Saturday, December 27, 2025

Inside	Outside	Balcony	Suite
$1,275	$1,375	$1,445	$1,615

Inside	Outside	Balcony	Suite
$1,275	$1,375	$1,445	$1,615

AVAILABLE BONUS OFFERS INCLUDE
	Cruise on Christmas! (terms) Cruise on Christmas! Christmas is during this cruise!

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12/20	Itajai (Brazil) (Depart 05:00 PM)
12/21	Santos (Brazil) (08:00 AM - 05:00 PM)
12/22	day at sea
12/23	day at sea
12/24	Buenos Aires (Argentina) (08:00 AM - 06:00 PM)
12/25	Montevideo (Uruguay) (08:00 AM - 04:00 PM)
12/26	day at sea
12/27	Itajai (Brazil) (Arrive 10:00 AM)

December 27, 2025 - 7 Nights | - South America - From $1,395

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, December 27, 2025
Returns:	Itajai (Brazil) Saturday, January 03, 2026

Inside	Outside	Balcony	Suite
$1,395	$1,495	$1,615	$1,805

Inside	Outside	Balcony	Suite
$1,395	$1,495	$1,615	$1,805

AVAILABLE BONUS OFFERS INCLUDE
	Ring in the New Year on this Cruise! (terms) Ring in the New Year on this Cruise! Ring in the New Year during this cruise!

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12/27	Itajai (Brazil) (Depart 05:00 PM)
12/28	Santos (Brazil) (08:00 AM - 05:00 PM)
12/29	day at sea
12/30	day at sea
12/31	Buenos Aires (Argentina) (08:00 AM - 06:00 PM)
01/01	Montevideo (Uruguay) (08:00 AM - 04:00 PM)
01/02	day at sea
01/03	Itajai (Brazil) (Arrive 10:00 AM)

January 03, 2026 - 7 Nights | - South America - From $1,145

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, January 03, 2026
Returns:	Itajai (Brazil) Saturday, January 10, 2026

Inside	Outside	Balcony	Suite
$1,145	$1,255	$1,325	$1,955

Inside	Outside	Balcony	Suite
$1,145	$1,255	$1,325	$1,955

View Itinerary

01/03	Itajai (Brazil) (Depart 05:00 PM)
01/04	Santos (Brazil) (08:00 AM - 05:00 PM)
01/05	day at sea
01/06	day at sea
01/07	Buenos Aires (Argentina) (08:00 AM - 06:00 PM)
01/08	Montevideo (Uruguay) (08:00 AM - 04:00 PM)
01/09	day at sea
01/10	Itajai (Brazil) (Arrive 10:00 AM)

January 10, 2026 - 7 Nights | - South America - From $1,065

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, January 10, 2026
Returns:	Itajai (Brazil) Saturday, January 17, 2026

Inside	Outside	Balcony	Suite
$1,065	$1,175	$1,245	$1,385

Inside	Outside	Balcony	Suite
$1,065	$1,175	$1,245	$1,385

View Itinerary

01/10	Itajai (Brazil) (Depart 05:00 PM)
01/11	Santos (Brazil) (08:00 AM - 05:00 PM)
01/12	day at sea
01/13	day at sea
01/14	Buenos Aires (Argentina) (08:00 AM - 06:00 PM)
01/15	Montevideo (Uruguay) (08:00 AM - 04:00 PM)
01/16	day at sea
01/17	Itajai (Brazil) (Arrive 10:00 AM)

January 17, 2026 - 7 Nights | - South America - From $1,415

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, January 17, 2026
Returns:	Itajai (Brazil) Saturday, January 24, 2026

Inside	Outside	Balcony	Suite
$1,415	$1,790	$1,860	-

Inside	Outside	Balcony	Suite
$1,415	$1,790	$1,860	-

AVAILABLE BONUS OFFERS INCLUDE
	Cruise on Martin Luther King Jr. Day! (terms) Cruise on Martin Luther King Jr. Day! Martin Luther King Jr.’s Day is during this cruise!

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01/17	Itajai (Brazil) (Depart 05:00 PM)
01/18	Santos (Brazil) (08:00 AM - 05:00 PM)
01/19	day at sea
01/20	day at sea
01/21	Buenos Aires (Argentina) (08:00 AM - 06:00 PM)
01/22	Montevideo (Uruguay) (08:00 AM - 04:00 PM)
01/23	day at sea
01/24	Itajai (Brazil) (Arrive 10:00 AM)

January 31, 2026 - 7 Nights | - South America - From $1,025

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, January 31, 2026
Returns:	Itajai (Brazil) Saturday, February 07, 2026

Inside	Outside	Balcony	Suite
$1,025	$1,400	$1,470	-

Inside	Outside	Balcony	Suite
$1,025	$1,400	$1,470	-

View Itinerary

01/31	Itajai (Brazil) (Depart 05:00 PM)
02/01	Santos (Brazil) (08:00 AM - 05:00 PM)
02/02	day at sea
02/03	day at sea
02/04	Buenos Aires (Argentina) (08:00 AM - 06:00 PM)
02/05	Montevideo (Uruguay) (08:00 AM - 04:00 PM)
02/06	day at sea
02/07	Itajai (Brazil) (Arrive 10:00 AM)

February 07, 2026 - 7 Nights | - South America - From $1,045

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, February 07, 2026
Returns:	Itajai (Brazil) Saturday, February 14, 2026

Inside	Outside	Balcony	Suite
$1,045	$1,135	$1,470	-

Inside	Outside	Balcony	Suite
$1,045	$1,135	$1,470	-

AVAILABLE BONUS OFFERS INCLUDE
	Cruise on Valentine’s Day! (terms) Cruise on Valentine’s Day! Valentines Day is during this cruise!

View Itinerary

02/07	Itajai (Brazil) (Depart 05:00 PM)
02/08	Santos (Brazil) (08:00 AM - 05:00 PM)
02/09	day at sea
02/10	day at sea
02/11	Buenos Aires (Argentina) (08:00 AM - 06:00 PM)
02/12	Montevideo (Uruguay) (08:00 AM - 04:00 PM)
02/13	day at sea
02/14	Itajai (Brazil) (Arrive 10:00 AM)

February 14, 2026 - 7 Nights | - South America - From $1,005

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, February 14, 2026
Returns:	Itajai (Brazil) Saturday, February 21, 2026

Inside	Outside	Balcony	Suite
$1,005	$1,115	$1,185	-

Inside	Outside	Balcony	Suite
$1,005	$1,115	$1,185	-

AVAILABLE BONUS OFFERS INCLUDE
	Cruise on Valentine’s Day! (terms) Cruise on Valentine’s Day! Valentines Day is during this cruise!
	Cruise on President’s Day! (terms) Cruise on President’s Day! President’s Day is during this cruise!

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02/14	Itajai (Brazil) (Depart 05:00 PM)
02/15	Santos (Brazil) (08:00 AM - 05:00 PM)
02/16	day at sea
02/17	day at sea
02/18	Buenos Aires (Argentina) (08:00 AM - 06:00 PM)
02/19	Montevideo (Uruguay) (08:00 AM - 04:00 PM)
02/20	day at sea
02/21	Itajai (Brazil) (Arrive 10:00 AM)

February 21, 2026 - 7 Nights | - South America - From $1,005

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, February 21, 2026
Returns:	Itajai (Brazil) Saturday, February 28, 2026

Inside	Outside	Balcony	Suite
$1,005	$1,115	-	-

Inside	Outside	Balcony	Suite
$1,005	$1,115	-	-

View Itinerary

02/21	Itajai (Brazil) (Depart 05:00 PM)
02/22	Santos (Brazil) (08:00 AM - 05:00 PM)
02/23	day at sea
02/24	day at sea
02/25	Buenos Aires (Argentina) (08:00 AM - 06:00 PM)
02/26	Montevideo (Uruguay) (08:00 AM - 04:00 PM)
02/27	day at sea
02/28	Itajai (Brazil) (Arrive 10:00 AM)

February 28, 2026 - 7 Nights | - South America - From $1,025

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, February 28, 2026
Returns:	Itajai (Brazil) Saturday, March 07, 2026

Inside	Outside	Balcony	Suite
$1,025	$1,135	$1,470	-

Inside	Outside	Balcony	Suite
$1,025	$1,135	$1,470	-

View Itinerary

02/28	Itajai (Brazil) (Depart 05:00 PM)
03/01	Santos (Brazil) (08:00 AM - 05:00 PM)
03/02	day at sea
03/03	day at sea
03/04	Buenos Aires (Argentina) (08:00 AM - 06:00 PM)
03/05	Montevideo (Uruguay) (08:00 AM - 04:00 PM)
03/06	day at sea
03/07	Itajai (Brazil) (Arrive 10:00 AM)

March 07, 2026 - 7 Nights | - South America - From $995

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, March 07, 2026
Returns:	Itajai (Brazil) Saturday, March 14, 2026

Inside	Outside	Balcony	Suite
$995	$1,105	$1,440	-

Inside	Outside	Balcony	Suite
$995	$1,105	$1,440	-

View Itinerary

03/07	Itajai (Brazil) (Depart 05:00 PM)
03/08	Santos (Brazil) (08:00 AM - 05:00 PM)
03/09	day at sea
03/10	day at sea
03/11	Buenos Aires (Argentina) (08:00 AM - 06:00 PM)
03/12	Montevideo (Uruguay) (08:00 AM - 04:00 PM)
03/13	day at sea
03/14	Itajai (Brazil) (Arrive 10:00 AM)

March 14, 2026 - 7 Nights | - South America - From $975

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, March 14, 2026
Returns:	Itajai (Brazil) Saturday, March 21, 2026

Inside	Outside	Balcony	Suite
$975	$1,085	$1,155	$1,275

Inside	Outside	Balcony	Suite
$975	$1,085	$1,155	$1,275

View Itinerary

03/14	Itajai (Brazil) (Depart 05:00 PM)
03/15	Santos (Brazil) (08:00 AM - 05:00 PM)
03/16	day at sea
03/17	day at sea
03/18	Buenos Aires (Argentina) (08:00 AM - 06:00 PM)
03/19	Montevideo (Uruguay) (08:00 AM - 04:00 PM)
03/20	day at sea
03/21	Itajai (Brazil) (Arrive 10:00 AM)

March 21, 2026 - 7 Nights | - South America - From $975

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, March 21, 2026
Returns:	Itajai (Brazil) Saturday, March 28, 2026

Inside	Outside	Balcony	Suite
$975	$1,085	$1,155	$1,275

Inside	Outside	Balcony	Suite
$975	$1,085	$1,155	$1,275

View Itinerary

03/21	Itajai (Brazil) (Depart 05:00 PM)
03/22	Santos (Brazil) (08:00 AM - 05:00 PM)
03/23	day at sea
03/24	day at sea
03/25	Buenos Aires (Argentina) (08:00 AM - 06:00 PM)
03/26	Montevideo (Uruguay) (08:00 AM - 04:00 PM)
03/27	day at sea
03/28	Itajai (Brazil) (Arrive 10:00 AM)

March 28, 2026 - 4 Nights | - South America - From $571

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, March 28, 2026
Returns:	Itajai (Brazil) Wednesday, April 01, 2026

Inside	Outside	Balcony	Suite
$571	$631	$701	$781

Inside	Outside	Balcony	Suite
$571	$631	$701	$781

View Itinerary

03/28	Itajai (Brazil) (Depart 05:00 PM)
03/29	Santos (Brazil) (08:00 AM - 04:30 PM)
03/30	Ilhabela (Brazil) (07:00 AM - 08:00 PM)
03/31	day at sea
04/01	Itajai (Brazil) (Arrive 08:00 AM)

April 01, 2026 - 3 Nights | - South America - From $489

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Wednesday, April 01, 2026
Returns:	Itajai (Brazil) Saturday, April 04, 2026

Inside	Outside	Balcony	Suite
$489	$539	$609	$669

Inside	Outside	Balcony	Suite
$489	$539	$609	$669

View Itinerary

04/01	Itajai (Brazil) (Depart 05:00 PM)
04/02	Santos (Brazil) (08:00 AM - 04:30 PM)
04/03	day at sea
04/04	Itajai (Brazil) (Arrive 08:00 AM)

April 04, 2026 - 4 Nights | - South America - From $621

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, April 04, 2026
Returns:	Itajai (Brazil) Wednesday, April 08, 2026

Inside	Outside	Balcony	Suite
$621	$661	$731	$811

Inside	Outside	Balcony	Suite
$621	$661	$731	$811

AVAILABLE BONUS OFFERS INCLUDE
	Cruise on Easter! (terms) Cruise on Easter! Easter is during this cruise!

View Itinerary

04/04	Itajai (Brazil) (Depart 05:00 PM)
04/05	Santos (Brazil) (08:00 AM - 04:30 PM)
04/06	Ilhabela (Brazil) (07:00 AM - 08:00 PM)
04/07	day at sea
04/08	Itajai (Brazil) (Arrive 08:00 AM)

April 08, 2026 - 3 Nights | - South America - From $559

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Wednesday, April 08, 2026
Returns:	Itajai (Brazil) Saturday, April 11, 2026

Inside	Outside	Balcony	Suite
$559	$619	$689	$769

Inside	Outside	Balcony	Suite
$559	$619	$689	$769

View Itinerary

04/08	Itajai (Brazil) (Depart 05:00 PM)
04/09	Santos (Brazil) (08:00 AM - 04:30 PM)
04/10	day at sea
04/11	Itajai (Brazil) (Arrive 08:00 AM)

April 11, 2026 - 4 Nights | - South America - From $621

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Saturday, April 11, 2026
Returns:	Itajai (Brazil) Wednesday, April 15, 2026

Inside	Outside	Balcony	Suite
$621	$661	$731	$811

Inside	Outside	Balcony	Suite
$621	$661	$731	$811

View Itinerary

04/11	Itajai (Brazil) (Depart 05:00 PM)
04/12	Santos (Brazil) (08:00 AM - 04:30 PM)
04/13	Ilhabela (Brazil) (07:00 AM - 08:00 PM)
04/14	day at sea
04/15	Itajai (Brazil) (Arrive 08:00 AM)

April 15, 2026 - 3 Nights | - South America - From $559

Cruise Line:	Costa Cruises
Ship:	Costa Diadema
Departs:	Itajai (Brazil) Wednesday, April 15, 2026
Returns:	Itajai (Brazil) Saturday, April 18, 2026

Inside	Outside	Balcony	Suite
$559	$619	$689	$769

Inside	Outside	Balcony	Suite
$559	$619	$689	$769

View Itinerary

04/15	Itajai (Brazil) (Depart 05:00 PM)
04/16	Santos (Brazil) (08:00 AM - 04:30 PM)
04/17	day at sea
04/18	Itajai (Brazil) (Arrive 08:00 AM)

Search Results 1 - 25 of 25

Fares listed are cruise only, per person, double occupancy, and based upon the lowest cached fare per stateroom type. Government taxes and fees are additional. Onboard credits and/or promotions, if listed, are total per cabin based on double occupancy. Availability of listed prices, stateroom categories, promotions, departure dates, and itineraries are subject to change without notice. Please verify policies, stateroom descriptions, ports of call, and dates and times with the cruise line directly.

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