Harmony of the Seas Cruise Deals

Find out more about Harmony of the Seas Find Out More About Royal Caribbean Cruises

See all itineraries and sailing dates for the Harmony of the Seas cruise ship with Royal Caribbean. Call us today to discover the best prices and latest offers.


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7 Night Western Mediterranean Cruise
Barcelona | Palma de Mallorca | Marseille | La Spezia | Civitavecchia | Naples | Barcelona
07 Jun 2026
7 Nights
Harmony of the Seas
Mediterranean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Interest free Monthly Payments from JUST £92pp
Fly Cruise From

Now: £1336 pp
REF: RCIHM07M797-070626

TOP DEAL

7 Night Western Mediterranean Cruise
Barcelona | Palma de Mallorca | Marseille | La Spezia | Civitavecchia | Naples | Barcelona
31 May 2026
7 Nights
Harmony of the Seas
Mediterranean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Interest free Monthly Payments from JUST £92pp
Fly Cruise From

Now: £1343 pp
REF: RCIHM07M797-310526

TOP DEAL

7 Night Western Mediterranean Cruise
Barcelona | Palma de Mallorca | La Spezia | Civitavecchia | Naples | Barcelona
05 Jul 2026
7 Nights
Harmony of the Seas
Mediterranean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Interest free Monthly Payments from JUST £89pp
Fly Cruise From

Now: £1393 pp
REF: RCIHM07M798-050726

TOP DEAL

7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
02 Feb 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
Fly Cruise From

Now: £1930 pp
REF: RCIHM07W576-020225
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
09 Feb 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
Fly Cruise From

Now: £6713 pp
REF: RCIHM07W576-090225
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
16 Feb 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £4551 pp
REF: RCIHM07W576-160225
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
23 Feb 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2407 pp
REF: RCIHM07W576-230225
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
02 Mar 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2205 pp
REF: RCIHM07W576-020325
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
09 Mar 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2105 pp
REF: RCIHM07W576-090325
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
16 Mar 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2149 pp
REF: RCIHM07W576-160325
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
23 Mar 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2127 pp
REF: RCIHM07W576-230325
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
30 Mar 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2022 pp
REF: RCIHM07W576-300325
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
06 Apr 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2204 pp
REF: RCIHM07W576-060425
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
13 Apr 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2506 pp
REF: RCIHM07W576-130425
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
20 Apr 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £1838 pp
REF: RCIHM07W576-200425
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
27 Apr 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2100 pp
REF: RCIHM07W645-270425
7 Night Western Caribbean Cruise
Galveston, Texas | Cozumel | Roatán Island | Costa Maya | Galveston, Texas
04 May 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2050 pp
REF: RCIHM07W646-040525
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
11 May 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2038 pp
REF: RCIHM07W645-110525
6 Night Western Caribbean Cruise
Galveston, Texas | Costa Maya | Roatán Island | Cozumel | Galveston, Texas
18 May 2025
6 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
Short Break: Book online for best prices and live availability
Fly Cruise From

Now: £2275 pp
REF: RCIHM06W239-180525
8 Night Western Caribbean & Perfect Day
Galveston, Texas | Coco Cay | Nassau | Cozumel | Galveston, Texas
24 May 2025
8 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2578 pp
REF: RCIHM08W047-240525
7 Night Western Caribbean Cruise
Galveston, Texas | Cozumel | Roatán Island | Costa Maya | Galveston, Texas
01 Jun 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2410 pp
REF: RCIHM07W646-010625
7 Night Western Caribbean Cruise
Galveston, Texas | Roatán Island | Costa Maya | Cozumel | Galveston, Texas
08 Jun 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2320 pp
REF: RCIHM07W645-080625
7 Night Western Caribbean Cruise
Galveston, Texas | Cozumel | Roatán Island | Costa Maya | Galveston, Texas
15 Jun 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2324 pp
REF: RCIHM07W646-150625
7 Night Western Caribbean Cruise
Galveston, Texas | Cozumel | Costa Maya | Roatán Island | Galveston, Texas
22 Jun 2025
7 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
ONLINE SALE! Save up to an EXTRA £50 per booking when you book online
Fly Cruise From

Now: £2293 pp
REF: RCIHM07W647-220625
6 Night Western Caribbean Cruise
Galveston, Texas | Costa Maya | Roatán Island | Cozumel | Galveston, Texas
29 Jun 2025
6 Nights
Harmony of the Seas
Caribbean
ONE BIG SALE! Receive up to £640 OFF per stateroom - Ends 15th January
Short Break: Book online for best prices and live availability
Fly Cruise From

Now: £2352 pp
REF: RCIHM06W239-290625

Prices are subject to change and availability. Prices may vary depending on airport selected. Promotions are only applicable to select cabins grades, please call for details

Harmony of the Seas Cruise Ship Deals

Royal Caribbean’s third Oasis-class ship, Harmony of Seas features a host of ground-breaking facilities across 18 decks. Cruisers of all ages can enjoy her exciting amenities, including the renowned neighbourhood concept and wonderful waterslides, or the fun Splashaway Bay waterpark.

Featuring stunning new additions and returning favourites, Harmony of the Seas offers thrills, fun and entertainment galore across her 18 impressive decks. From first-at-sea feats to the favourites that you know and love, you’ll find so many ways to make memories onboard – like the tallest slide at sea, Ultimate Abyss℠, deck-defying stunts at the AquaTheatre and the robot-helmed Bionic Bar. Not to mention dazzling Broadway performances and globe-trotting gastronomic experiences that go from Asia to the Mediterranean, and beyond.

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