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Early booking: 6+ months before departure

While departure is still far off, every cabin type and the best spots on deck are on sale, and the price has not started climbing.

Costa Diadema×Early booking×
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62 found
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Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
28 May – 4 June 2027
Kiel · Copenhagen · Hellesylt · Geiranger · Geiranger … +3
Interior1 822 $
With window2 506 $
With a balcony2 962 $
Suite3 395 $
from 1 822 $ 260 $ per night
Details
Costa Diadema Costa Cruises
10 nights · South Europe · 9 ports
21 September – 1 October 2027
Marseille · Savona (Milan) · Barcelona · Tangier · Casablanca … +4
Interior2 620 $
With window3 304 $
With a balcony3 988 $
Suite4 512 $
from 2 620 $ 262 $ per night
Details
Costa Diadema Costa Cruises
10 nights · South Europe · 9 ports
22 September – 2 October 2027
Savona (Milan) · Barcelona · Tangier · Casablanca · Cadiz (Seville) … +4
Interior2 620 $
With window3 304 $
With a balcony3 988 $
Suite4 512 $
from 2 620 $ 262 $ per night
Details
Costa Diadema Costa Cruises
10 nights · South Europe · 9 ports
23 September – 3 October 2027
Barcelona · Tangier · Casablanca · Cadiz (Seville) · Malaga … +4
Interior2 620 $
With window3 304 $
With a balcony3 988 $
Suite4 512 $
from 2 620 $ 262 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 6 ports
15 – 22 May 2027
Copenhagen · Gdynia (Gdansk) · Visby · Stockholm · Kiel … +1
Interior1 890 $
With window2 460 $
With a balcony2 802 $
Suite3 167 $
from 1 890 $ 270 $ per night
Details
Costa Diadema Costa Cruises
14 nights · Norwegian Fjords · 13 ports
14 – 28 May 2027
Kiel · Copenhagen · Gdynia (Gdansk) · Visby · Stockholm … +8
Interior3 851 $
With window4 991 $
With a balcony5 675 $
Suite6 450 $
from 3 851 $ 275 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
21 – 28 May 2027
Kiel · Copenhagen · Hellesylt · Geiranger · Geiranger … +3
Interior1 936 $
With window2 506 $
With a balcony2 848 $
Suite3 258 $
from 1 936 $ 277 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 6 ports
1 – 8 May 2027
Copenhagen · Flam · Bergen · Aarhus · Kiel … +1
Interior1 981 $
With window2 551 $
With a balcony2 893 $
Suite3 281 $
from 1 981 $ 283 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 6 ports
8 – 15 May 2027
Copenhagen · Flam · Maloy · Bergen · Kiel … +1
Interior1 981 $
With window2 551 $
With a balcony2 893 $
Suite3 281 $
from 1 981 $ 283 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
22 – 29 May 2027
Copenhagen · Hellesylt · Geiranger · Geiranger · Bergen … +3
Interior2 004 $
With window2 574 $
With a balcony2 916 $
Suite3 349 $
from 2 004 $ 286 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
4 – 11 June 2027
Kiel · Copenhagen · Hellesylt · Geiranger · Geiranger … +3
Interior2 050 $
With window2 734 $
With a balcony3 190 $
Suite3 646 $
from 2 050 $ 293 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
11 – 18 June 2027
Kiel · Copenhagen · Hellesylt · Geiranger · Geiranger … +3
Interior2 050 $
With window2 734 $
With a balcony3 190 $
Suite3 646 $
from 2 050 $ 293 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
5 – 12 June 2027
Copenhagen · Hellesylt · Geiranger · Geiranger · Bergen … +3
Interior2 164 $
With window2 848 $
With a balcony3 304 $
Suite3 760 $
from 2 164 $ 309 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
12 – 19 June 2027
Copenhagen · Hellesylt · Geiranger · Geiranger · Bergen … +3
Interior2 164 $
With window2 848 $
With a balcony3 304 $
Suite3 783 $
from 2 164 $ 309 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
18 – 25 June 2027
Kiel · Copenhagen · Hellesylt · Geiranger · Geiranger … +3
Interior2 164 $
With window2 848 $
With a balcony3 304 $
Suite3 783 $
from 2 164 $ 309 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
25 June – 2 July 2027
Kiel · Copenhagen · Hellesylt · Geiranger · Geiranger … +3
Interior2 164 $
With window2 848 $
With a balcony3 304 $
Suite3 783 $
from 2 164 $ 309 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
26 June – 3 July 2027
Copenhagen · Hellesylt · Geiranger · Geiranger · Bergen … +3
Interior2 164 $
With window2 848 $
With a balcony3 304 $
Suite3 783 $
from 2 164 $ 309 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
19 – 26 June 2027
Copenhagen · Hellesylt · Geiranger · Geiranger · Bergen … +3
Interior2 278 $
With window2 962 $
With a balcony3 418 $
Suite3 897 $
from 2 278 $ 325 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
3 – 10 September 2027
Kiel · Copenhagen · Hellesylt · Geiranger · Geiranger … +3
Interior2 278 $
With window3 076 $
With a balcony3 532 $
Suite3 988 $
from 2 278 $ 325 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
4 – 11 September 2027
Copenhagen · Hellesylt · Geiranger · Geiranger · Bergen … +3
Interior2 278 $
With window2 848 $
With a balcony3 190 $
Suite3 600 $
from 2 278 $ 325 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
27 August – 3 September 2027
Kiel · Copenhagen · Hellesylt · Geiranger · Geiranger … +3
Interior2 506 $
With window3 076 $
With a balcony3 418 $
Suite3 874 $
from 2 506 $ 358 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
28 August – 4 September 2027
Copenhagen · Hellesylt · Geiranger · Geiranger · Bergen … +3
Interior2 506 $
With window3 076 $
With a balcony3 418 $
Suite3 874 $
from 2 506 $ 358 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
2 – 9 July 2027
Kiel · Copenhagen · Hellesylt · Geiranger · Geiranger … +3
Interior2 620 $
With window3 304 $
With a balcony3 760 $
Suite4 261 $
from 2 620 $ 374 $ per night
Details
Costa Diadema Costa Cruises
7 nights · Norwegian Fjords · 8 ports
3 – 10 July 2027
Copenhagen · Hellesylt · Geiranger · Geiranger · Bergen … +3
Interior2 620 $
With window3 304 $
With a balcony3 760 $
Suite4 261 $
from 2 620 $ 374 $ per night
Details