Costa Diadema - September 28, 2026 Itinerary Map with Port Markers
Costa Diadema
Barcelona, Spain
Cadiz
Lisbon, Portugal

Costa Diadema - September 28, 2026

The September 28, 2026 cruise on the Costa Diadema departs from Barcelona, Spain. On this 11 Night Western Mediterranean (Barcelona Roundtrip) sailing, the ship will visit a total of 8 different cruise port destinations, including its departure port. The Costa Diadema sets sail on Monday, Sep 28th and returns on Friday, Oct 9th.

11nights

September 28, 2026

Sep 28th - Oct 9th

Costa Diadema

Costa Diadema

Costa Cruise Line

Costa Diadema - September 28, 2026

11 Night Western Mediterranean

from Barcelona, Spain

Cruise Price - Historic & Current

The graph below tracks historic price of the Costa Diadema cruise ship departing September 28, 2026. The most recent price for this sailing starts at $1,313 ($120 per night) for an Inside Cabin. Compared to the average price of $1,408 ($129 per night), this represents a recent decrease of 7%.

Use the buttons below to toggle between cabin types.

inside
$1,313
($119 / night)
see details
oceanview
$1,493
($135 / night)
see details
balcony
$1,988
($180 / night)
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suite
$2,231
($202 / night)
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Costa Diadema

Costa Diadema

Costa Cruise Line

The Costa Diadema was built in 2014 and is among Costa's 11 ships in its fleet. The Costa Diadema is included in the cruise line's Diadema class. In the cruise ship stats below, you'll find the Costa Diadema vs all other Costa ships.

Itinerary

Costa Diadema - September 28, 2026 - 11 Nights

DayDatePort
1Sep 28thBarcelona, Spain
2Sep 29thAt Sea
3Sep 30thCadiz (Seville), Spain
4Oct 1stLisbon, Portugal
5Sep 28thLisbon, Portugal
6Oct 3rdGibraltar, U.K.
7Oct 4thMalaga, Spain
8Oct 5thCartagena, Spain
9Oct 6thAt Sea
10Oct 7thMarseille (Provence), France
11Oct 8thSavona (genoa), Italy
12Oct 9thBarcelona, Spain

Cruise Itinerary

The Costa Diadema sails on September 28, 2026 for a 11 Night Western Mediterranean (Barcelona Roundtrip). The ship will depart the port of Barcelona, Spain at 7:30 PM and will return to the port of Barcelona, Spain on Oct 9th at 2:00 PM. During the 12-day journey, the Costa Diadema will visit 7 additional ports and will spend 2 days at sea.

Day1
SEP 282026
D:7:30 PM

Barcelona is the cultural heartland of Spain, yet its first language is Catalan, the native tongue of the proudly independent Catalonia region. Stroll down the shady, tree-lined Ramblas between street musicians and elegant bistros. Then perhaps visit the venerable Gothic cathedral, Picasso Museum or enjoy the architectural genius of Antonio Gaudi's Church of the Holy Family.

Day2
SEP 292026
At Sea

Take advantage of the many on board activites during your day at sea. You'll have more than enough to fill your day!

Day3
SEP 302026
Spain
A:7:30 AMD:5:30 PM

Day4
OCT 12026
A:10:00 AM

Lisbon is many cities, from the cobbled alleys of the Alfama district to the broad Parisian style avenues at its heart. View it all from the heights of St. George's Castle. Belem's Monument to the Discoveries recalls the seafaring past, while nearby Sintra's storybook palaces, and the seaside resort of Caiscais, have different tales to tell.

Day5
OCT 22026
D:2:00 PM

Lisbon is many cities, from the cobbled alleys of the Alfama district to the broad Parisian style avenues at its heart. View it all from the heights of St. George's Castle. Belem's Monument to the Discoveries recalls the seafaring past, while nearby Sintra's storybook palaces, and the seaside resort of Caiscais, have different tales to tell.

Day6
OCT 32026
A:1:00 PMD:7:00 PM

One of the "Pillars of Hercules," Gibraltar is an historic landmark with British and Spanish influences. Guarding the entrance to the Atlantic, the great rock still serves as Britain's threshold to the Mediterranean. Take a cable car to the top of the rock for a spectacular view of two continents as well as the famous Barbary apes.

Day7
OCT 42026
A:8:00 AMD:6:00 PM

Situated on Spain's Costa del Sol, Malaga is the region's capital and a popular holiday destination. At the same time, the city is known as the birthplace of Pablo Picasso and for the sweet Malaga dessert wines that come from the hilly vineyards just outside of town. Other points of interest include impressive Gothic architecture, remains of a Moorish castle, and several interesting museums.

Day8
OCT 52026
A:8:00 AMD:6:00 PM

A major seaport and naval base, it has a fine natural harbor, protected by forts. It was founded in 225 B.C. and soon became a flourishing port: the chief Carthaginian base in Spain. The medieval Castillo de la Concepcion, whose ruins are surrounded by fine gardens, commands a splendid view of the city and harbor. No traces of the ancient city remain.

Day9
OCT 62026
At Sea

Take advantage of the many on board activites during your day at sea. You'll have more than enough to fill your day!

Day10
OCT 72026
A:9:00 AMD:6:00 PM

The most populated city in France after Paris, Marseille has all the sights and sounds of a Mediterranean melting pot, which it has been ever since the Phocaean Greeks invaded around 600 B.C. Its industrial docks rub shoulders with the picturesque old harbor, the Vieux Port, founded by the Greeks 2,600 years ago. Packed with colorful fishing boats and yachts, the Vieux Port is the heart of Marseille.

Day11
OCT 82026
Italy
A:9:00 AMD:4:30 PM

Located on the Riviera di Ponente, southwest of Genoa, Savona dates back to third century BC and features excellent examples of medieval, Renaissance, and Baroque architecture. Visit the Renaissance cathedral, the Capella Sistina, and the Palazzo della Rovere, built by Pope Julius II.

Day12
OCT 92026
A:2:00 PM

Barcelona is the cultural heartland of Spain, yet its first language is Catalan, the native tongue of the proudly independent Catalonia region. Stroll down the shady, tree-lined Ramblas between street musicians and elegant bistros. Then perhaps visit the venerable Gothic cathedral, Picasso Museum or enjoy the architectural genius of Antonio Gaudi's Church of the Holy Family.