September 26, 2026
7-Night California Coast Cruise
Departing from Vancouver
From
$679
Price / day
$97
Discovery Princess|Ruby Princess
Discovery Princess vs Ruby Princess
Compare ship age, size, passenger capacity, itineraries and upcoming cruise prices.
Discovery Princess
Princess Cruises
Check prices on CruiseDirectVS
Newer Ship
Discovery Princess
Built in 2022
14 years newer
Lower Price Per Day
Ruby Princess
$100 / day
$14 less per day
More Spacious Ship
Discovery Princess
39.6 GT per guest
Gross tonnage divided by passenger capacity
Discovery Princess vs Ruby Princess: Quick Comparison
Discovery Princess is the newer ship in this comparison. Built in 2022, it is 14 years newer than Ruby Princess, which entered service in 2008. Discovery Princess is approximately 28% larger by gross tonnage at 145,000 GT. Discovery Princess also carries 580 more passengers. Discovery Princess has upcoming sailings in California Coast and Mexico, while Ruby Princess has sailings in Hawaii. Based on the upcoming cruises currently displayed, Ruby Princess has the lower average starting price per day. The sailings shown cover different itineraries, so the price per day figures are not a like-for-like comparison. Cruise fares vary significantly by itinerary, departure date and cabin availability, so any price difference should be treated as a snapshot rather than a permanent gap.
Ship Comparison
| Spec | Discovery Princess | Ruby Princess |
|---|---|---|
| Year Built | 2022Newer | 2008 |
| Gross Tonnage | 145,000 GT | 113,561 GT |
| Passenger Capacity | 3,660 | 3,080 |
| Space per Passenger | 39.6 GT | 36.9 GT |
| Length | — | 288.59 m |
| Decks | — | — |
| Cabins | — | — |
Key Differences: Discovery Princess vs Ruby Princess
Age
Discovery Princess was built in 2022, making it 14 years newer than Ruby Princess, which was built in 2008.
Size
At 145,000 GT, Discovery Princess is approximately 28% larger by gross tonnage than Ruby Princess at 113,561 GT.
Passenger capacity
Discovery Princess carries up to 3,660 passengers compared with 3,080 aboard Ruby Princess, a difference of 580 passengers.
Passenger space
Discovery Princess offers more space per passenger: 39.6 GT per guest, compared with 36.9 aboard Ruby Princess. A higher passenger space ratio generally means less crowding in public areas.
Itineraries
The upcoming sailings shown for Discovery Princess (California Coast and Mexico) and Ruby Princess (Hawaii) currently cover different regions or departure ports.
Price
Among the upcoming sailings currently displayed, Ruby Princess has the lower average starting price per day at $100 per day.
Compare Ports of Call
Discovery Princess
Pacific Wine Country
- Departure Port
- Vancouver
- Region
- California Coast
- Nights
- 7
- Round Trip
- No
- Day 1 · Sep 26, 2026Vancouver
- Day 2 · Sep 27, 2026At Sea
- Day 3 · Sep 28, 2026At Sea
- Day 4 · Sep 29, 2026San Francisco
- Day 5 · Sep 30, 2026At Sea
- Day 6 · Oct 1, 2026San Diego
- Day 7 · Oct 2, 2026Santa Barbara
- Day 8 · Oct 3, 2026Los Angeles
Dates are estimates based on the published departure date.
Ruby Princess
Hawaiian Islands
- Departure Port
- San Francisco
- Region
- Hawaii
- Nights
- 16
- Round Trip
- Yes
- Day 1 · Sep 17, 2026San Francisco
- Day 2 · Sep 18, 2026At Sea
- Day 3 · Sep 19, 2026At Sea
- Day 4 · Sep 20, 2026At Sea
- Day 5 · Sep 21, 2026At Sea
- Day 6 · Sep 22, 2026Kauai
- Day 7 · Sep 23, 2026Honolulu
- Day 8 · Sep 24, 2026Kona
- Day 9 · Sep 25, 2026Kahului
- Day 10 · Sep 26, 2026At Sea
- Day 11 · Sep 27, 2026At Sea
- Day 12 · Sep 28, 2026At Sea
- Day 13 · Sep 29, 2026At Sea
- Day 14 · Sep 30, 2026At Sea
- Day 15 · Oct 1, 2026Ensenada
- Day 16 · Oct 2, 2026At Sea
- Day 17 · Oct 3, 2026San Francisco
Dates are estimates based on the published departure date.
Upcoming Cruises & Prices
Discovery Princess
October 3, 2026
7-Night Mexico Cruise
Departing from Los Angeles
From
$911
Price / day
$130
Ruby Princess
September 17, 2026
16-Night Hawaii Cruise
Departing from San Francisco
From
$1,999
Price / day
$125
November 8, 2026
16-Night Hawaii Cruise
Departing from San Francisco
From
$1,201
Price / day
$75
Prices shown are starting fares and may change.
Which Ship Is Cheaper?
Discovery Princess
Average
$114 / day
VS
Ruby Princess
Average
$100 / day
Ruby Princess has the lower price per day among the sailings shown
$100/day vs $114/day
About $14 less per day
This comparison is based on the upcoming sailings currently shown and may not represent like-for-like itineraries.
Cruise prices vary by departure date, itinerary, cabin type and availability.
Which Ship Should You Choose?
Choose Discovery Princess if…
- You prefer the newer ship.
- You prefer the larger ship by gross tonnage.
- You do not mind sailing on a ship with a higher passenger capacity.
- You value having more space per passenger (higher GT-per-guest ratio).
- You want to sail in California Coast and Mexico.
- Departing from Vancouver and Los Angeles works for your plans.
Choose Ruby Princess if…
- You prefer the ship with the lower passenger capacity.
- You want to sail in Hawaii.
- Departing from San Francisco works for your plans.
- The lower price per day among the sailings currently shown matters to you.
- You do not place as much importance on sailing on a newer ship than Discovery Princess.
Discovery Princess vs Ruby Princess: Final Comparison Summary
Newer
Discovery Princess
Built in 2022
14 years newer
Bigger
Discovery Princess
145,000 GT
28% larger by gross tonnage
Lower Price Per Day
Ruby Princess
$100 / day
About $14 less per day
- Discovery Princess is 14 years newer.
- Discovery Princess is 28% larger by gross tonnage.
- Discovery Princess carries 580 more passengers.
- Discovery Princess offers more space per passenger (39.6 GT per guest).
Frequently Asked Questions
Which is newer, Discovery Princess or Ruby Princess?
Discovery Princess is newer. It was built in 2022, while Ruby Princess was built in 2008, making Discovery Princess 14 years newer.
Which is bigger, Discovery Princess or Ruby Princess?
Discovery Princess is larger by gross tonnage. It measures approximately 145,000 GT compared with Ruby Princess at 113,561 GT.
Which ship carries more passengers?
Discovery Princess has a passenger capacity of approximately 3,660, compared with 3,080 for Ruby Princess.
Which ship is more spacious, Discovery Princess or Ruby Princess?
Discovery Princess has the higher passenger space ratio at 39.6 GT per passenger, versus 36.9 for Ruby Princess. The ratio is gross tonnage divided by passenger capacity; a higher number means more ship space per guest.
Which ship is cheaper, Discovery Princess or Ruby Princess?
Among the upcoming sailings currently displayed, Ruby Princess has the lower average starting price per day at $100 per day versus $114 per day. Fares vary by itinerary, departure date, cabin type and availability.
Where does Discovery Princess sail?
The upcoming Discovery Princess sailings currently listed cover California Coast and Mexico, departing from Vancouver and Los Angeles.
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