Costa Diadema Cruise Prices 2026 — Deals & Value by Cabin

Costa Cruises

Is the Costa Diadema worth it?

Lowest fare
$88/night
any cabin, next 12 mo
Balcony median
$153/night
live · updated 2× daily
vs Costa Cruises peers
4% above
Balcony cabins

Price per person per night (double occupancy) · live data updated twice daily · as of Aug 23, 2026

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Live Sailings & Pricing — Next 12 Months

Live fares · same price with an advisor

Forward 12-month schedule for Costa Diadema with per-cabin live pricing. Found a sailing you like? Ask a KruiseLux advisor to book it — same fare, and we watch the price after you book. Or click any cell to view that sailing yourself. If this ship has a ship-within-a-ship enclave (Haven, Sky Class, The Retreat, etc.), toggle “Show ship-within-a-ship” to split the Suite column into per-tier pricing.

Deal
Premium
Sailing
Interior
Ocean view
Balcony
Suite
Fri, Sep 4, 2026
7-nt Baltic
$248/nt
+40% vs median
$269/nt
+25% vs median
/nt
$385/nt
+33% vs median
Sat, Sep 5, 2026
7-nt Baltic
$269/nt
+52% vs median
$339/nt
+58% vs median
/nt
/nt
Fri, Sep 11, 2026
10-nt Baltic
$133/nt
-25% vs median
$149/nt
-30% vs median
$194/nt
-17% vs median
$283/nt
-2% vs median
$141/nt
-21% vs median
$156/nt
-27% vs median
$201/nt
-15% vs median
/nt
Fri, Sep 11, 2026
12-nt Mediterranean
$129/nt
-27% vs median
$145/nt
-33% vs median
/nt
$315/nt
+9% vs median
$135/nt
-24% vs median
/nt
/nt
/nt
Sat, Sep 12, 2026
10-nt Baltic
$136/nt
-23% vs median
$152/nt
-29% vs median
$197/nt
-16% vs median
/nt
$168/nt
-5% vs median
$216/nt
+0% vs median
$308/nt
+31% vs median
/nt
$214/nt
+20% vs median
$274/nt
+28% vs median
/nt
/nt
$101/nt
-43% vs median
$129/nt
-40% vs median
/nt
$380/nt
+31% vs median
$143/nt
-20% vs median
$255/nt
+19% vs median
/nt
/nt
$207/nt
+16% vs median
/nt
/nt
/nt
$209/nt
+18% vs median
$269/nt
+25% vs median
$364/nt
+55% vs median
/nt
Sat, Sep 26, 2026
11-nt Europe
$187/nt
+5% vs median
$215/nt
0% vs median
$294/nt
+25% vs median
/nt
Sun, Sep 27, 2026
11-nt Europe
$168/nt
-5% vs median
$200/nt
-7% vs median
$310/nt
+32% vs median
$351/nt
+22% vs median
Wed, Sep 30, 2026
13-nt Mediterranean
$150/nt
-15% vs median
$171/nt
-20% vs median
/nt
/nt
Sun, Oct 4, 2026
5-nt Europe
$182/nt
+2% vs median
$208/nt
-3% vs median
$312/nt
+33% vs median
/nt
Wed, Oct 7, 2026
10-nt Mediterranean
$198/nt
+12% vs median
$254/nt
+18% vs median
/nt
$339/nt
+17% vs median
Thu, Oct 8, 2026
10-nt Mediterranean
$195/nt
+10% vs median
$234/nt
+9% vs median
/nt
$349/nt
+21% vs median
Fri, Oct 9, 2026
4-nt Africa
$212/nt
+20% vs median
$252/nt
+17% vs median
$327/nt
+39% vs median
/nt
Fri, Oct 9, 2026
10-nt Mediterranean
$208/nt
+17% vs median
$225/nt
+5% vs median
$298/nt
+27% vs median
/nt
Sat, Oct 17, 2026
11-nt Europe
$176/nt
-1% vs median
$204/nt
-5% vs median
$283/nt
+20% vs median
$320/nt
+11% vs median
Sun, Oct 18, 2026
11-nt Europe
$167/nt
-6% vs median
$200/nt
-7% vs median
$274/nt
+17% vs median
$311/nt
+7% vs median
Mon, Oct 19, 2026
12-nt Europe
$175/nt
-1% vs median
$200/nt
-7% vs median
/nt
/nt
Wed, Oct 21, 2026
10-nt Europe
$142/nt
-20% vs median
$152/nt
-29% vs median
$211/nt
-10% vs median
$305/nt
+6% vs median
/nt
/nt
$223/nt
-5% vs median
$307/nt
+6% vs median
$169/nt
-5% vs median
$226/nt
+5% vs median
$319/nt
+36% vs median
/nt
$99/nt
-45% vs median
$134/nt
-38% vs median
$149/nt
-37% vs median
$164/nt
-43% vs median
$107/nt
-40% vs median
$122/nt
-43% vs median
/nt
$152/nt
-47% vs median
$197/nt
+11% vs median
$247/nt
+15% vs median
$342/nt
+45% vs median
$544/nt
+88% vs median
$164/nt
-8% vs median
/nt
/nt
/nt
Sun, Nov 1, 2026
21-nt Brazil
Thanksgiving
$99/nt
-44% vs median
$118/nt
-45% vs median
$139/nt
-41% vs median
/nt
Sun, Nov 1, 2026
22-nt Brazil
Thanksgiving
$104/nt
-41% vs median
$123/nt
-43% vs median
$152/nt
-35% vs median
/nt
Sun, Nov 1, 2026
24-nt Brazil
Thanksgiving
$101/nt
-43% vs median
/nt
/nt
/nt
Mon, Nov 2, 2026
8-nt Canaries
$94/nt
-47% vs median
$113/nt
-47% vs median
$133/nt
-44% vs median
/nt
Mon, Nov 2, 2026
21-nt Brazil
Thanksgiving
/nt
$122/nt
-43% vs median
$151/nt
-36% vs median
$160/nt
-44% vs median
Mon, Nov 2, 2026
20-nt Brazil
Thanksgiving
/nt
$119/nt
-45% vs median
$140/nt
-41% vs median
$228/nt
-21% vs median
Mon, Nov 2, 2026
23-nt Brazil
Thanksgiving
/nt
$121/nt
-44% vs median
/nt
$158/nt
-45% vs median
Mon, Nov 2, 2026
6-nt Europe
/nt
$88/nt
-59% vs median
/nt
$185/nt
-36% vs median
Mon, Nov 2, 2026
9-nt Canaries
$90/nt
-50% vs median
/nt
/nt
/nt
Tue, Nov 3, 2026
19-nt Brazil
Thanksgiving
$101/nt
-43% vs median
$119/nt
-45% vs median
$140/nt
-40% vs median
/nt
Tue, Nov 3, 2026
22-nt Brazil
Thanksgiving
/nt
$121/nt
-44% vs median
$142/nt
-40% vs median
$231/nt
-20% vs median
Tue, Nov 3, 2026
20-nt Brazil
Thanksgiving
$105/nt
-41% vs median
$123/nt
-43% vs median
$144/nt
-39% vs median
/nt
Tue, Nov 3, 2026
17-nt Brazil
$102/nt
-43% vs median
$121/nt
-44% vs median
$141/nt
-40% vs median
/nt
Tue, Nov 3, 2026
16-nt Brazil
$109/nt
-38% vs median
$129/nt
-40% vs median
$152/nt
-35% vs median
/nt
Tue, Nov 3, 2026
19-nt Brazil
Thanksgiving
$101/nt
-43% vs median
$119/nt
-45% vs median
$140/nt
-40% vs median
/nt
Tue, Nov 3, 2026
19-nt Brazil
Thanksgiving
$101/nt
-43% vs median
$119/nt
-45% vs median
$140/nt
-40% vs median
/nt
Sun, Nov 8, 2026
14-nt Brazil
Thanksgiving
$109/nt
-39% vs median
/nt
/nt
/nt
Sun, Nov 8, 2026
15-nt Brazil
Thanksgiving
$114/nt
-36% vs median
$132/nt
-38% vs median
$159/nt
-33% vs median
/nt
Tue, Nov 10, 2026
12-nt Brazil
Thanksgiving
$93/nt
-47% vs median
/nt
$133/nt
-44% vs median
/nt
Tue, Nov 10, 2026
13-nt Brazil
Thanksgiving
$104/nt
-41% vs median
$123/nt
-43% vs median
$144/nt
-39% vs median
/nt
Wed, Nov 11, 2026
12-nt Brazil
Thanksgiving
$102/nt
-43% vs median
$120/nt
-44% vs median
$141/nt
-40% vs median
/nt
Wed, Nov 11, 2026
11-nt Brazil
Thanksgiving
$89/nt
-50% vs median
$108/nt
-50% vs median
$129/nt
-45% vs median
/nt
Thu, Nov 19, 2026
4-nt Brazil
Thanksgiving
$174/nt
-2% vs median
$196/nt
-9% vs median
$221/nt
-6% vs median
/nt
Fri, Nov 20, 2026
3-nt Brazil
Thanksgiving
$209/nt
+18% vs median
$229/nt
+7% vs median
$249/nt
+6% vs median
/nt
Mon, Nov 23, 2026
2-nt Brazil
Thanksgiving
$276/nt
+55% vs median
$301/nt
+40% vs median
$321/nt
+36% vs median
$351/nt
+21% vs median
Mon, Nov 23, 2026
3-nt Brazil
Thanksgiving
$274/nt
+54% vs median
$297/nt
+38% vs median
/nt
$351/nt
+21% vs median
Wed, Nov 25, 2026
3-nt Brazil
Thanksgiving
/nt
$251/nt
+17% vs median
$274/nt
+17% vs median
$304/nt
+5% vs median
Thu, Nov 26, 2026
3-nt Brazil
Thanksgiving
$274/nt
+54% vs median
$297/nt
+38% vs median
/nt
$351/nt
+21% vs median
Sat, Nov 28, 2026
4-nt Brazil
Thanksgiving
/nt
$196/nt
-9% vs median
$219/nt
-7% vs median
$241/nt
-17% vs median
Sun, Nov 29, 2026
4-nt Brazil
Thanksgiving
/nt
$259/nt
+20% vs median
$286/nt
+22% vs median
$316/nt
+9% vs median
Wed, Dec 2, 2026
3-nt Brazil
/nt
$188/nt
-13% vs median
/nt
$231/nt
-20% vs median
Thu, Dec 3, 2026
3-nt Brazil
$251/nt
+41% vs median
$274/nt
+28% vs median
/nt
$331/nt
+14% vs median
Sat, Dec 5, 2026
4-nt Brazil
$176/nt
-1% vs median
$196/nt
-9% vs median
$219/nt
-7% vs median
/nt
Sun, Dec 6, 2026
4-nt Brazil
$234/nt
+31% vs median
$259/nt
+20% vs median
$286/nt
+22% vs median
$316/nt
+9% vs median
Wed, Dec 9, 2026
3-nt Brazil
$184/nt
+4% vs median
$201/nt
-6% vs median
$221/nt
-6% vs median
$241/nt
-17% vs median
$267/nt
+51% vs median
/nt
$314/nt
+33% vs median
$344/nt
+19% vs median
$171/nt
-4% vs median
$186/nt
-13% vs median
/nt
$226/nt
-22% vs median
$241/nt
+36% vs median
$261/nt
+22% vs median
$289/nt
+23% vs median
$316/nt
+9% vs median
Wed, Dec 16, 2026
3-nt Brazil
Holiday peak
/nt
$201/nt
-6% vs median
$224/nt
-5% vs median
$244/nt
-15% vs median
Thu, Dec 17, 2026
3-nt Brazil
Holiday peak
$267/nt
+51% vs median
$287/nt
+34% vs median
$321/nt
+36% vs median
$351/nt
+21% vs median
Sat, Dec 19, 2026
7-nt Brazil
Holiday peak
$190/nt
+7% vs median
$207/nt
-4% vs median
/nt
$246/nt
-15% vs median
Sun, Dec 20, 2026
7-nt Brazil
Holiday peak
/nt
$277/nt
+29% vs median
$294/nt
+25% vs median
$327/nt
+13% vs median
Wed, Dec 23, 2026
7-nt Brazil
Holiday peak
$238/nt
+34% vs median
$261/nt
+21% vs median
/nt
$311/nt
+8% vs median
Thu, Dec 24, 2026
7-nt Brazil
Holiday peak
$206/nt
+16% vs median
$224/nt
+4% vs median
/nt
/nt
Sat, Dec 26, 2026
7-nt Brazil
Holiday peak
$207/nt
+17% vs median
$224/nt
+4% vs median
/nt
$266/nt
-8% vs median
Sun, Dec 27, 2026
7-nt Brazil
Holiday peak
/nt
$300/nt
+40% vs median
/nt
$356/nt
+23% vs median
Wed, Dec 30, 2026
7-nt Brazil
Holiday peak
$261/nt
+47% vs median
$284/nt
+32% vs median
/nt
$339/nt
+17% vs median
Thu, Dec 31, 2026
7-nt Brazil
Holiday peak
$171/nt
-4% vs median
$186/nt
-13% vs median
$196/nt
-17% vs median
/nt
Sat, Jan 2, 2027
7-nt Brazil
Holiday peak
/nt
$187/nt
-13% vs median
$197/nt
-16% vs median
$219/nt
-24% vs median
Sun, Jan 3, 2027
7-nt Brazil
Holiday peak
$230/nt
+29% vs median
$251/nt
+17% vs median
$264/nt
+12% vs median
$293/nt
+1% vs median
Wed, Jan 6, 2027
7-nt Brazil
$214/nt
+20% vs median
$235/nt
+9% vs median
$248/nt
+5% vs median
$276/nt
-4% vs median
Thu, Jan 7, 2027
7-nt Brazil
$159/nt
-10% vs median
$175/nt
-19% vs median
$185/nt
-21% vs median
$275/nt
-5% vs median
Sat, Jan 9, 2027
7-nt Brazil
$160/nt
-10% vs median
$176/nt
-18% vs median
$186/nt
-21% vs median
/nt
/nt
$236/nt
+10% vs median
$248/nt
+6% vs median
$276/nt
-5% vs median
/nt
$219/nt
+2% vs median
$232/nt
-1% vs median
$259/nt
-10% vs median
/nt
$225/nt
+5% vs median
$235/nt
0% vs median
$325/nt
+12% vs median
/nt
$226/nt
+5% vs median
/nt
$263/nt
-9% vs median
/nt
$303/nt
+41% vs median
$316/nt
+34% vs median
$351/nt
+22% vs median
$265/nt
+49% vs median
$286/nt
+33% vs median
/nt
/nt
$155/nt
-13% vs median
/nt
$181/nt
-23% vs median
$271/nt
-6% vs median
/nt
$171/nt
-20% vs median
$181/nt
-23% vs median
$200/nt
-31% vs median
/nt
$230/nt
+7% vs median
$243/nt
+3% vs median
$268/nt
-7% vs median
$192/nt
+8% vs median
$214/nt
-1% vs median
$226/nt
-4% vs median
$252/nt
-13% vs median
$154/nt
-14% vs median
$169/nt
-21% vs median
/nt
$269/nt
-7% vs median
$154/nt
-13% vs median
$170/nt
-21% vs median
$180/nt
-23% vs median
$199/nt
-31% vs median
$207/nt
+17% vs median
$228/nt
+6% vs median
/nt
$266/nt
-8% vs median
Wed, Feb 3, 2027
7-nt Brazil
$191/nt
+7% vs median
$212/nt
-1% vs median
$225/nt
-4% vs median
$249/nt
-14% vs median
Thu, Feb 4, 2027
7-nt Brazil
$154/nt
-14% vs median
$169/nt
-21% vs median
/nt
$269/nt
-7% vs median
Sat, Feb 6, 2027
7-nt Brazil
$154/nt
-13% vs median
$170/nt
-21% vs median
$180/nt
-23% vs median
$199/nt
-31% vs median
Sun, Feb 7, 2027
7-nt Brazil
/nt
$228/nt
+6% vs median
$241/nt
+3% vs median
$266/nt
-8% vs median
/nt
$212/nt
-1% vs median
$225/nt
-4% vs median
$249/nt
-14% vs median
/nt
$167/nt
-22% vs median
$177/nt
-25% vs median
/nt
$203/nt
+14% vs median
$224/nt
+4% vs median
$237/nt
+1% vs median
$261/nt
-10% vs median
/nt
$208/nt
-3% vs median
/nt
$245/nt
-15% vs median
$151/nt
-15% vs median
/nt
/nt
/nt
/nt
$167/nt
-22% vs median
/nt
/nt
/nt
$224/nt
+4% vs median
$237/nt
+1% vs median
$261/nt
-10% vs median
$186/nt
+5% vs median
$208/nt
-3% vs median
$221/nt
-6% vs median
$245/nt
-15% vs median
/nt
$169/nt
-21% vs median
/nt
$269/nt
-7% vs median
$154/nt
-13% vs median
$170/nt
-21% vs median
$180/nt
-23% vs median
$199/nt
-31% vs median
/nt
$228/nt
+6% vs median
/nt
$266/nt
-8% vs median
Wed, Mar 3, 2027
7-nt Brazil
Spring break
$191/nt
+7% vs median
$212/nt
-1% vs median
$225/nt
-4% vs median
$249/nt
-14% vs median
Thu, Mar 4, 2027
7-nt Brazil
Spring break
$149/nt
-16% vs median
$165/nt
-23% vs median
/nt
$265/nt
-8% vs median
Sat, Mar 6, 2027
7-nt Brazil
Spring break
/nt
$166/nt
-23% vs median
/nt
$193/nt
-33% vs median
Sun, Mar 7, 2027
7-nt Brazil
Spring break
$201/nt
+13% vs median
$223/nt
+4% vs median
$236/nt
+0% vs median
$260/nt
-10% vs median
Wed, Mar 10, 2027
7-nt Brazil
Spring break
/nt
$206/nt
-4% vs median
$219/nt
-7% vs median
/nt
Thu, Mar 11, 2027
7-nt Brazil
Spring break
/nt
/nt
/nt
$262/nt
-9% vs median
Sat, Mar 13, 2027
7-nt Brazil
Spring break
/nt
$163/nt
-24% vs median
$173/nt
-27% vs median
$190/nt
-34% vs median
Sun, Mar 14, 2027
7-nt Brazil
Easter week
$197/nt
+11% vs median
$218/nt
+2% vs median
$231/nt
-2% vs median
$321/nt
+11% vs median
Wed, Mar 17, 2027
4-nt Brazil
Easter week
$176/nt
-1% vs median
$191/nt
-11% vs median
$201/nt
-15% vs median
$219/nt
-24% vs median
Thu, Mar 18, 2027
3-nt Brazil
Easter week
$178/nt
+0% vs median
$194/nt
-10% vs median
/nt
/nt
Sat, Mar 20, 2027
4-nt Brazil
Easter week
/nt
$171/nt
-20% vs median
/nt
$206/nt
-29% vs median
Sun, Mar 21, 2027
4-nt Brazil
Easter week
/nt
$241/nt
+12% vs median
/nt
$291/nt
+1% vs median
Wed, Mar 24, 2027
3-nt Brazil
Easter week
$182/nt
+2% vs median
$198/nt
-8% vs median
$215/nt
-9% vs median
$235/nt
-19% vs median
Thu, Mar 25, 2027
3-nt Brazil
Easter week
$268/nt
+51% vs median
/nt
$318/nt
+35% vs median
/nt
Sat, Mar 27, 2027
4-nt Brazil
Easter week
/nt
$184/nt
-14% vs median
$201/nt
-14% vs median
/nt
Sun, Mar 28, 2027
4-nt Brazil
Easter week
/nt
$249/nt
+16% vs median
$271/nt
+15% vs median
$299/nt
+3% vs median
Wed, Mar 31, 2027
3-nt Brazil
Spring break
/nt
$222/nt
+3% vs median
$245/nt
+4% vs median
/nt
Thu, Apr 1, 2027
3-nt Brazil
Spring break
$251/nt
+42% vs median
$268/nt
+25% vs median
/nt
$315/nt
+9% vs median
Sun, Apr 4, 2027
27-nt Baltic
Spring break
$102/nt
-43% vs median
$126/nt
-41% vs median
$144/nt
-39% vs median
$248/nt
-14% vs median
Sun, Apr 4, 2027
26-nt Baltic
Spring break
$102/nt
-43% vs median
$127/nt
-41% vs median
/nt
$162/nt
-44% vs median
Sun, Apr 4, 2027
22-nt Brazil
Spring break
$106/nt
-40% vs median
$131/nt
-39% vs median
$148/nt
-37% vs median
$253/nt
-13% vs median
Mon, Apr 5, 2027
25-nt Baltic
Spring break
$98/nt
-45% vs median
$124/nt
-42% vs median
$141/nt
-40% vs median
$245/nt
-15% vs median
Thu, Apr 8, 2027
22-nt Baltic
/nt
$125/nt
-42% vs median
$142/nt
-40% vs median
/nt
$163/nt
-8% vs median
$207/nt
-3% vs median
$242/nt
+3% vs median
$273/nt
-6% vs median
Sat, May 1, 2027
7-nt Baltic
$167/nt
-6% vs median
$212/nt
-1% vs median
$246/nt
+4% vs median
$277/nt
-4% vs median
Fri, May 7, 2027
7-nt Baltic
$168/nt
-6% vs median
$212/nt
-1% vs median
$246/nt
+5% vs median
$278/nt
-4% vs median
Fri, May 7, 2027
14-nt Baltic
$161/nt
-9% vs median
$206/nt
-4% vs median
$240/nt
+2% vs median
/nt
Sat, May 8, 2027
7-nt Baltic
$172/nt
-3% vs median
$216/nt
+1% vs median
/nt
$282/nt
-2% vs median
/nt
$218/nt
+1% vs median
$252/nt
+7% vs median
$285/nt
-1% vs median
Fri, May 14, 2027
14-nt Baltic
$167/nt
-6% vs median
$212/nt
-2% vs median
$246/nt
+4% vs median
/nt
$178/nt
0% vs median
$222/nt
+3% vs median
$256/nt
+9% vs median
$289/nt
0% vs median
$178/nt
+0% vs median
$225/nt
+5% vs median
/nt
/nt
$182/nt
+3% vs median
$229/nt
+7% vs median
$268/nt
+14% vs median
$302/nt
+5% vs median
$183/nt
+3% vs median
$231/nt
+7% vs median
$269/nt
+14% vs median
$305/nt
+5% vs median
$188/nt
+6% vs median
$235/nt
+9% vs median
$273/nt
+16% vs median
$309/nt
+7% vs median
Fri, Jun 4, 2027
7-nt Baltic
$191/nt
+8% vs median
$238/nt
+11% vs median
/nt
$313/nt
+8% vs median
Sat, Jun 5, 2027
7-nt Baltic
$195/nt
+10% vs median
$242/nt
+13% vs median
$281/nt
+19% vs median
$317/nt
+10% vs median
$195/nt
+10% vs median
$243/nt
+13% vs median
/nt
$318/nt
+10% vs median
/nt
$247/nt
+15% vs median
$285/nt
+21% vs median
$322/nt
+12% vs median
$200/nt
+12% vs median
$250/nt
+16% vs median
/nt
/nt
$204/nt
+15% vs median
$254/nt
+18% vs median
$297/nt
+26% vs median
$439/nt
+52% vs median
Fri, Jun 25, 2027
7-nt Baltic
July 4th week
/nt
/nt
$296/nt
+26% vs median
$335/nt
+16% vs median
Sat, Jun 26, 2027
7-nt Baltic
July 4th week
/nt
$258/nt
+20% vs median
$301/nt
+28% vs median
$339/nt
+17% vs median
Fri, Jul 2, 2027
7-nt Baltic
July 4th week
$204/nt
+15% vs median
$254/nt
+18% vs median
$297/nt
+26% vs median
$335/nt
+16% vs median
Sat, Jul 3, 2027
7-nt Baltic
July 4th week
$208/nt
+17% vs median
$258/nt
+20% vs median
$301/nt
+28% vs median
$340/nt
+17% vs median
Fri, Jul 9, 2027
7-nt Baltic
$204/nt
+15% vs median
$254/nt
+18% vs median
$296/nt
+26% vs median
$335/nt
+16% vs median
$208/nt
+17% vs median
$258/nt
+20% vs median
$301/nt
+28% vs median
$339/nt
+17% vs median
/nt
$260/nt
+21% vs median
$303/nt
+29% vs median
$343/nt
+19% vs median
$214/nt
+20% vs median
$264/nt
+23% vs median
$307/nt
+30% vs median
$347/nt
+20% vs median
/nt
$267/nt
+24% vs median
$310/nt
+32% vs median
$351/nt
+22% vs median
/nt
$271/nt
+26% vs median
/nt
$355/nt
+23% vs median
/nt
$273/nt
+27% vs median
/nt
$359/nt
+24% vs median
$227/nt
+28% vs median
$277/nt
+29% vs median
/nt
$363/nt
+26% vs median
Fri, Aug 6, 2027
7-nt Baltic
$231/nt
+30% vs median
$281/nt
+31% vs median
/nt
$367/nt
+27% vs median
Sat, Aug 7, 2027
7-nt Baltic
/nt
$285/nt
+33% vs median
/nt
$470/nt
+63% vs median
$224/nt
+26% vs median
$274/nt
+28% vs median
/nt
$360/nt
+24% vs median
/nt
$278/nt
+30% vs median
/nt
$364/nt
+26% vs median
$212/nt
+19% vs median
$259/nt
+21% vs median
$298/nt
+27% vs median
$338/nt
+17% vs median
/nt
$264/nt
+23% vs median
/nt
$342/nt
+18% vs median
Tint compares each cabin's per-night price to Costa Diadema's own 12-month median. Hover a cell for the same-line peer comparison. Source: live Traveltek pricing — same data feeding the concierge.

About Costa Diadema

Costa Diadema is a family-friendly cruise ship offering a vibrant atmosphere with diverse entertainment and dining options.

Vibe: lively, family-oriented, and entertaining.

Standout features

  • water park
  • theater shows
  • Italian dining
  • spa services
  • family activities

Best for: Family Planner, Entertainment Seeker, and Party Cruiser.

Why different travelers choose Costa Diadema

Family Planner

Costa Diadema is not designed as a family-first ship, and families usually notice the more adult-leaning tone. Onboard options can still support family travel, but youth programming is not the ship’s defining strength. It tends to fit families with older kids or adult-family groups more than young-kid-focused trips. The overall signal for families is a non-family-first experience best for older-kid or adult-family travel.

Retiree Voyager

Costa Diadema can suit active retirees who enjoy a livelier cruise style, but the ship’s crowd flow can feel busier than classic retiree favorites. Retirees often perceive the experience as fun and capable, with comfort available but not always the default mood in peak areas. It fits best when travelers want a mix of relaxation and activity. The overall signal for retirees is retiree-compatible cruising with a higher-energy onboard tempo.

Luxury Seeker

Costa Diadema is not a luxury-forward ship, and luxury-minded guests typically perceive the overall atmosphere as mainstream. Even with upgrades, the ship’s identity is oriented toward broad appeal rather than quiet exclusivity or service intensity. It can still be enjoyable, but it does not read as luxury in the way luxury travelers expect. The overall signal for luxury travelers is a mainstream experience with limited luxury character.

Party Cruiser

Costa Diadema is a strong match for fun-first travelers who want a lively social atmosphere that carries from daytime into nightlife. Party-oriented guests often perceive the ship as casual, energetic, and easy to join in, with a crowd culture that fuels the vibe. The experience tends to feel social by default rather than something you have to seek out. The overall signal for party cruisers is high social energy with day-and-night fun density.

Entertainment Seeker

Costa Diadema strongly appeals to entertainment-focused travelers through performance variety, show programming, and a venue lineup that supports repeat nights. Entertainment-minded guests often perceive the shows and live music as a centerpiece rather than an add-on. The cruise feels performance-rich across evenings and venues. The overall signal for entertainment seekers is high production variety with strong venue depth.

Explorer

Onboard programming emphasizes enrichment and context, creating an experience guided by observation rather than constant stimulation. Public spaces support a steady rhythm, and the ship’s tone reads adult-leaning and purpose-driven across most days. Design, space, and itinerary framing work together to keep the experience focused on learning and place, not headline production. The overall signal for Explorer is limited alignment.

Wellness Seeker

Onboard atmosphere leans toward restoration, with quieter public spaces and a comfort-first rhythm shaping most days and evenings. Wellness signals show through spa-forward cues, consistent service, and dining that supports a calmer cadence rather than late-night momentum. Space and design reinforce a settled, low-friction feel, keeping the ship’s energy more soothing than high-output. The overall signal for Wellness Seeker is moderate alignment.

Taste Seeker

Dining onboard reflects quality-driven dining without a food-first identity, where solid ingredient quality and venue design matter more than sheer variety. Scale and layout influence how evenly food expresses itself, with pockets of strength alongside variability emerging across sailings. Culinary character leans toward measured creativity within a broad onboard mix, reinforcing the ship’s overall tone rather than redefining it. The overall signal for Taste Seeker is limited alignment.

Deal Chaser

Pricing onboard is shaped by a value-forward posture, with large cabin inventory and frequent promotional cycles influencing how often opportunities appear. Ship class and demand curves create predictable deal windows rather than constant softness. Perceived value tends to emerge through more experience than expected at the fare paid. The overall signal for Deal Chaser is strong alignment.

Solo Traveler

Life onboard is shaped by an adult-forward social structure, where mid-size or small-ship balance influences how easily solo guests blend into daily activity. The balance between pacing and limited family presence supports natural social integration across sailings. Programming and staff interaction further reinforce shared experiences without pressure. The overall signal for Solo Traveler is strong alignment.

First-Time Cruiser

Life onboard is shaped by a highly standardized cruise structure, where strong visual cues and staff presence help first-time cruisers navigate daily routines with ease. Ship size and operational pacing reinforce steady, confidence-building sailing conditions throughout the voyage. Predictable flow and accessible spaces reduce early friction and support quick acclimation. The overall signal for First-Time Cruiser is strong alignment.

Accessibility-Focused Traveler

Life onboard is shaped by a spacious, redundancy-forward ship design, where wide corridors, frequent elevators, and generous public areas support fluid movement. Venue distribution minimizes unnecessary level changes and reduces physical strain across daily routines. The physical environment prioritizes ease of navigation through space rather than architectural constraint. The overall signal for Accessibility-Focused Traveler is strong alignment.

Frequently asked about Costa Diadema

How big is Costa Diadema?

Costa Diadema is a Vista Class ship of roughly 132,500 gross tons. On board you'll find water park, theater, and spa.

Is Costa Diadema good for families?

Costa Diadema is not designed as a family-first ship, and families usually notice the more adult-leaning tone. Onboard options can still support family travel, but youth programming is not the ship’s defining strength. It tends to fit families with older kids or adult-family groups more than young-kid-focused trips. The overall signal for families is a non-family-first experience best for older-kid or adult-family travel.

Who is Costa Diadema best for?

Costa Diadema is best suited to travelers who fit one of these profiles: Family Planner, Entertainment Seeker, and Party Cruiser. Costa Diadema is a family-friendly cruise ship offering a vibrant atmosphere with diverse entertainment and dining options.

What's the onboard vibe and dining like on Costa Diadema?

Travelers describe Costa Diadema as lively, family-oriented, and entertaining. Notable onboard features include water park, theater, and spa.

How much does Costa Diadema cost per person per night?

Costa Diadema (Costa Cruises) currently averages around $153/person/night for a balcony cabin booked 61–120 days in advance. The ship is best described as lively, family-oriented, and entertaining. Prices are updated twice daily from live booking inventory on KruiseLux.

What is the cheapest booking window for Costa Diadema?

Based on current data, booking 15–30 days out tends to offer the lowest fares for Costa Diadema. The live sailing schedule at the top of this page shows actual prices for each upcoming sail date so you can spot the best windows.

Is now a good time to book Costa Diadema?

Costa Diadema pricing is currently in a neutral range. Watch the 90-day trend and look for a meaningful dip before committing. The ship is well-regarded for water park and theater shows.

How does Costa Diadema compare to other ships?

Costa Diadema is currently priced at the 14th percentile among comparable ships — a strong value relative to peers. Full peer comparison is shown on this page.

Have another question about Costa Diadema?
$153
30-day median/night
+59.6%
7-day change
25th
Price rank (last 6 months)
👀 Watch

90-Day Price Trend

Median Balcony price per person per night — 7-day rolling average

May 25Jun 1Jun 11Jun 18Jun 27Jul 4Jul 7Jul 12Jul 19Jul 24Jul 30Aug 3Aug 9Aug 16Aug 23$0$100$200$300$400

How Costa Diadema Compares

Costa Diadema is priced at the 14th percentile among comparable ships — a strong value relative to peers.

Costa Smeralda
$114/nt
Costa Pacifica
$115/nt
Costa Diadema
$136/nt
Costa Toscana
$144/nt
Costa Fascinosa
$151/nt
Costa Diadema
$152/nt
Costa Serena
$160/nt
Costa Fascinosa
$172/nt

🛳 Port Safety

Ports on this ship's upcoming itineraries · US State Dept advisories · Aug 23, 2026

⚠️ Some ports have advisories

Advisory data from the US State Department. Informational only — verify before travel. Cruise pricing reflects base cabin rates; promotions not included.

View all port advisories →