Costa Diadema
Barcelona → Málaga → Rio de Janeiro → Santos
Nov 3 · 20 nights
Exceptional value
$1,176 inside · $59/night
41% below typical · 6-month low
Costa Diadema
•
Costa Cruises
Costa Cruises
Ship
Costa Diadema
Costa Diadema most often sails Western Mediterranean Loop via Marseille & Savona (Port-Heavy), with recurring calls at Málaga, Cadiz, and Lisboa.
Best Costa Diadema sailings right now
The strongest upcoming options based on price and itinerary.
Costa Diadema
Barcelona → Marseille
Sep 21 · 1 night
Exceptional value
$67 inside · $67/night
50% below typical · 6-month low
Costa Diadema
Savona → Barcelona → Lisboa → Las Palmas de Gran Canaria
Nov 2 · 8 nights
Exceptional value
$504 inside · $63/night
38% below typical · 6-month low
Costa Diadema
Barcelona → Málaga → Salvador → Rio de Janeiro
Nov 3 · 19 nights
Exceptional value
$1,232 inside · $65/night
41% below typical · 6-month lowUpcoming Costa Diadema cruises
The next departures currently scheduled for this ship.
Sep 21, 2026
Costa Diadema • ☾ 7 nights • Barcelona ↔
↓11% below typical
$761
$109/night
Sep 21, 2026
Costa Diadema • ☾ 1 night • Barcelona → Marseille
↓54% below typical
$67
$67/night
Sep 21, 2026
Costa Diadema • ☾ 4 nights • Barcelona → Palma de Mallorca
↓20% below typical
$481
$120/night
Sep 21, 2026
Costa Diadema • ☾ 2 nights • Barcelona → Savona
$235
$118/night
Sep 22, 2026
Costa Diadema • ☾ 4 nights • Marseille ↔
↓3% below typical
$470
$118/night
Sep 23, 2026
Costa Diadema • ☾ 2 nights • Savona → Palma de Mallorca
↓17% below typical
$201
$101/night
Schedule patterns
Where Costa Diadema sails
Supporting context from this ship's published routes and recurring ports.
Western Mediterranean Loop via Marseille & Savona (Port-Heavy)
This itinerary accounts for 4 upcoming departures on Costa Diadema, typically lasting 3–4 nights.
Typical: $398-$521Good deal: <$300Current best: $365 ✅
Western Mediterranean One-Way: Savona (Port-Heavy)
This itinerary accounts for 3 upcoming departures on Costa Diadema, typically lasting 2–3 nights.
Typical: $277-$302Good deal: <$200Current best: $268 ✅
Western Mediterranean One-Way: Marseille (Port-Heavy)
This itinerary accounts for 2 upcoming departures on Costa Diadema, typically lasting 2 nights.
Typical: $211-$259Good deal: <$200Current best: $235
Western Mediterranean Loop: Barcelona & Marseille (Best Balance)
This itinerary accounts for 2 upcoming departures on Costa Diadema, typically lasting 1–4 nights.
Typical: $307-$402Good deal: <$200Current best: $67 ✅
Most-visited ports
Málaga 51 · Cadiz 48 · Lisboa 47 · Barcelona 41 · Marseille 38 · Savona 37 · Gibraltar 24 · Las Palmas de Gran Canaria 22 · Salvador 22 · Casablanca 19 · Maceió 18 · Rio de Janeiro 17
Plan by month
Costa Diadema cruise schedule
Browse the complete month-by-month calendar, including linked sailings and ports of call.
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About Costa Diadema
Costa Diadema is a mega cruise ship operated by Costa Cruises. Built in 2014, it carries approximately 3,772 passengers.
- Passengers
- 3,772
- Gross tonnage
- 132,500 GT
- Built
- 2014
- Size
- Mega
- Class
- CCL DREAM