Skip to content Ask about current promotions and payment options
A week between Argentina, Uruguay and Brazil Costa Cruceros · Costa Diadema
← Return to my search Choose a departure to view its route and conditions.
Selected departureDecember 30, 2026 · Buenos Aires → Buenos Aires · 7 nights · Daily itinerary January 6, 2027 · Buenos Aires → Buenos Aires · 7 nights · Daily itinerary January 13, 2027 · Buenos Aires → Buenos Aires · 7 nights · Daily itinerary January 20, 2027 · Buenos Aires → Buenos Aires · 7 nights · Daily itinerary January 27, 2027 · Buenos Aires → Buenos Aires · 7 nights · Daily itinerary February 3, 2027 · Buenos Aires → Buenos Aires · 7 nights · Daily itinerary February 10, 2027 · Buenos Aires → Buenos Aires · 7 nights · Daily itinerary February 17, 2027 · Buenos Aires → Buenos Aires · 7 nights · Daily itinerary February 24, 2027 · Buenos Aires → Buenos Aires · 7 nights · Daily itinerary March 3, 2027 · Buenos Aires → Buenos Aires · 7 nights · Daily itinerary March 10, 2027 · Buenos Aires → Buenos Aires · 7 nights · Daily itinerary Dec 2026 – Apr 2027 · Buenos Aires → Buenos Aires · 7 nights December 31, 2026 · Montevideo → Montevideo · 7 nights · Daily itinerary January 7, 2027 · Montevideo → Montevideo · 7 nights · Daily itinerary January 14, 2027 · Montevideo → Montevideo · 7 nights · Daily itinerary January 21, 2027 · Montevideo → Montevideo · 7 nights · Daily itinerary January 28, 2027 · Montevideo → Montevideo · 7 nights · Daily itinerary February 4, 2027 · Montevideo → Montevideo · 7 nights · Daily itinerary February 11, 2027 · Montevideo → Montevideo · 7 nights · Daily itinerary February 18, 2027 · Montevideo → Montevideo · 7 nights · Daily itinerary February 25, 2027 · Montevideo → Montevideo · 7 nights · Daily itinerary March 4, 2027 · Montevideo → Montevideo · 7 nights · Daily itinerary March 11, 2027 · Montevideo → Montevideo · 7 nights · Daily itinerary Dec 2026 – Apr 2027 · Montevideo → Montevideo · 7 nights December 20, 2026 · Santos → Santos · 7 nights · Daily itinerary January 3, 2027 · Santos → Santos · 7 nights · Daily itinerary January 10, 2027 · Santos → Santos · 7 nights · Daily itinerary January 17, 2027 · Santos → Santos · 7 nights · Daily itinerary January 24, 2027 · Santos → Santos · 7 nights · Daily itinerary January 31, 2027 · Santos → Santos · 7 nights · Daily itinerary February 7, 2027 · Santos → Santos · 7 nights · Daily itinerary February 14, 2027 · Santos → Santos · 7 nights · Daily itinerary February 21, 2027 · Santos → Santos · 7 nights · Daily itinerary February 28, 2027 · Santos → Santos · 7 nights · Daily itinerary March 7, 2027 · Santos → Santos · 7 nights · Daily itinerary March 14, 2027 · Santos → Santos · 7 nights · Daily itinerary Dec 2026 – Apr 2027 · Santos → Santos · 7 nights December 19, 2026 · Itajaí → Itajaí · 7 nights · Daily itinerary January 2, 2027 · Itajaí → Itajaí · 7 nights · Daily itinerary January 9, 2027 · Itajaí → Itajaí · 7 nights · Daily itinerary January 16, 2027 · Itajaí → Itajaí · 7 nights · Daily itinerary January 23, 2027 · Itajaí → Itajaí · 7 nights · Daily itinerary January 30, 2027 · Itajaí → Itajaí · 7 nights · Daily itinerary February 6, 2027 · Itajaí → Itajaí · 7 nights · Daily itinerary February 13, 2027 · Itajaí → Itajaí · 7 nights · Daily itinerary February 20, 2027 · Itajaí → Itajaí · 7 nights · Daily itinerary February 27, 2027 · Itajaí → Itajaí · 7 nights · Daily itinerary March 6, 2027 · Itajaí → Itajaí · 7 nights · Daily itinerary March 13, 2027 · Itajaí → Itajaí · 7 nights · Daily itinerary Dec 2026 – Apr 2027 · Itajaí → Itajaí · 7 nights
Departure December 30, 2026
Arrival date January 6, 2027
Embarkation Buenos Aires
Final disembarkation Buenos Aires
Published duration 7 nights on board Itinerary for this departure Daily itinerary verified · Costa Diadema
Itinerary published in the official season brochure, March 2026 edition. Reconfirm possible changes before booking.
Day 1 Dec 30, 2026
Buenos Aires Embarkation
Departure 18:00 Day 2 Dec 31, 2026
Montevideo
Arrival 08:00
Departure 16:00 Day 3 Jan 1, 2027
Day 4 Jan 2, 2027
Itajaí
Arrival 10:00
Departure 17:00 Day 5 Jan 3, 2027
Santos
Arrival 08:00
Departure 17:00 Day 6 Jan 4, 2027
Day 7 Jan 5, 2027
Day 8 Jan 6, 2027
Buenos Aires Disembarkation
Arrival 08:00 Cruise line times are subject to change. For multi-day stages, times refer to the start and end of the stage.
View official itinerary ↗ Ideas for exploring the destinations These cruise line references do not imply included excursions, admission tickets or transfers.
Santos Costa’s sightseeing programme features the Coffee Exchange and Museum, historic centre and Santos FC’s Memorial das Conquistas.
Source: Costa Cruceros Itajaí Costa’s guide introduces the port city of Itajaí and highlights Florianópolis and its islands as regional visits. Check transfers and timing for the chosen call.
Source: Costa Cruceros Montevideo Costa’s guide features Ciudad Vieja, the Rambla, Solís Theatre and Mercado del Puerto for exploring Montevideo’s history, waterfront and food.
Source: Costa Cruceros Details reviewed: 2 October 2026.
Inclusions and conditions Inclusions depend on your cabin, fare and departure. This guide has no contracted fare; details are confirmed in your quote.
Services to confirm in your quote
Cabin and occupancy Meals, drinks and on-board packages Port fees, taxes and gratuities Excursions and admission tickets Flights, hotels and transfers Travel assistance Before booking Price and availability: reconfirmed before booking, with currency and total price.Payments and cancellations: deadlines and terms must be stated in your quote.Travel documents: we confirm requirements for your travellers and chosen itinerary.Route changes: calls and times may change due to operational or weather conditions.Quote this departure 