Harmony of the Seas vs Symphony of the Seas: Head-to-Head Comparison

Harmony of the Seas or Symphony of the Seas? The Short Version

Harmony of the Seas and Symphony of the Seas are sister ships: both are Oasis-class ships in the Royal Caribbean fleet, so they share a hull design and much of the same layout. Symphony of the Seas is the newer ship by 2 years (2018, against 2016 for Harmony of the Seas). Harmony of the Seas carries 5,479 passengers to 5,518 on Symphony of the Seas, and measures 226,963 gross tons to 228,081. That is 41.4 gross tons per passenger on Harmony of the Seas and 41.3 on Symphony of the Seas, about the same space per guest.

On their most recent CDC inspections, Harmony of the Seas scored 98 (August 25, 2026) and Symphony of the Seas scored 99 (August 29, 2026). Harmony of the Seas averages 97.7 across 3 inspections; Symphony of the Seas averages 98 across 3 inspections. Their lowest scores on record are 96 for Harmony of the Seas and 97 for Symphony of the Seas. Neither ship has a failing score in the inspections we hold.

Every CDC Inspection on Record

Each ship's dated Vessel Sanitation Program scores, newest first. A score of 86 or higher passes.

Beyond Sanitation: Ship Tea's Other Ratings

Each rating is scored out of 100 and explained on its rankings page.

Where and When They Sail

Harmony of the Seas has 47 sailings scheduled through August 2027, mostly from Port Canaveral; Symphony of the Seas has 48 sailings scheduled through October 2027, mostly from Galveston and Fort Lauderdale. They do not share a departure port on the current schedule, so where you want to leave from may decide this one for you. The next departures are Harmony of the Seas on November 5, 2026 and Symphony of the Seas on November 8, 2026.

Every Harmony of the Seas sailing → Every Symphony of the Seas sailing →

More Head-to-Head Comparisons

• Wonder of the Seas vs Icon of the Seas Royal Caribbean Mega Ships
• Carnival Celebration vs Carnival Jubilee Carnival Excel-Class
• Disney Wish vs Disney Fantasy Disney Fleet
• Norwegian Prima vs Norwegian Viva Norwegian Prima-Class
• Celebrity Edge vs Celebrity Beyond Celebrity Edge-Class
• MSC World America vs MSC Grandiosa MSC Flagships
• Carnival Mardi Gras vs Wonder of the Seas Cross-Line Mega Ships
• Norwegian Joy vs Norwegian Bliss Norwegian Breakaway Plus
• Odyssey of the Seas vs Ovation of the Seas Royal Caribbean Quantum-Class