Spots going fast4 Night Bahamas & Perfect Day Cruise
Royal Caribbean • Harmony of the Seas
Sep 15, 2026 · 4 nights
Caribbean
$347/person$87/night
View Deal →Harmony of the Seas vs Oasis of the Seas
Side-by-side cruise ship comparison · Updated April 2026
Harmony of the Seas and Oasis of the Seas are tied at 3–3 across 8 categories. Your best pick depends on what matters most to you.
Score: 3 – 3
Quick Compare
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Category
Harmony of the Seas
Oasis of the Seas
Size
226,963 GT
225,282 GT
Passengers
6,687
6,780
Year Built
2016
2009
Crew Ratio
1:3.2
1:3.1
Space Ratio
33.9
33.2
Decks
—
—
Length
362m
362m
From Price
$346.56/pp
$673.68/pp
Which Ship Is Right for You?
Choose Harmony of the Seas if...
- You want the newer ship (built 2016, 7yr newer)
- Size matters to you (226,963 GT)
- More space per guest (33.9 GT/pax)
- Save $327.12/person on sailings
Choose Oasis of the Seas if...
- More onboard variety (6,780 guests)
- Better service ratio (3.1:1 crew ratio)
You've compared the ships. Now see what they cost.
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Deep Dive
Upcoming Sailings
Upcoming Sailings on Harmony of the Seas
Spots going fast
Leaves in 8 days7 Night Eastern Caribbean & Perfect Day
Royal Caribbean • Harmony of the Seas
Sep 19, 2026 · 7 nights
Caribbean
$636/person$91/night
View Deal →
Leaves in 15 days5 Night Western Caribbean & Perfect Day
Royal Caribbean • Harmony of the Seas
Sep 26, 2026 · 5 nights
Bahamas
$448/person$90/night
View Deal →Upcoming Sailings on Oasis of the Seas
Spots going fast7 Night Perfect Day Bahamas Cruise
Royal Caribbean • Oasis of the Seas
Sep 13, 2026 · 7 nights
Caribbean
$674/person$96/night
View Deal →
Leaves in 9 days$923/person$132/night
View Deal →Leaves in 16 days$976/person$139/night
View Deal →Hotels & Accommodations Near Miami Cruise Port
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Frequently Asked Questions
How is the comparison score calculated?
We compute scores across 8 categories using real spec data: gross tonnage, passenger capacity, crew capacity, year built, length, deck count, space ratio, and fleet power. Each category awards one point to the winning ship.
What is the space ratio and why does it matter?
Space ratio is gross tonnage divided by passenger capacity. A higher number means more space per guest. Luxury lines typically score above 40; mass-market ships often fall in the 30-40 range.
What does the passenger-to-crew ratio mean?
Passengers per crew member. Lower is better, more staff per guest means better service. Luxury lines aim below 2:1; large mainstream ships may be 3-4:1.
Are the prices shown accurate?
Prices are sourced from Cruisebound and reflect real-time availability. They may change based on cabin type, date, and demand. Click through to see the latest fares.
Can I compare more than two ships?
Yes, up to four ships. Use the search tool on the compare hub page to add additional ships.
How current is the ship data?
Specifications come from our database of 380+ vessels, revalidated every 5 minutes via ISR. The "Updated" timestamp shows when records were last modified.
