What Is a Single Supplement?
A Single Supplement is an extra amount charged when one traveler uses a cabin, room, or tour space priced for shared occupancy. Cruise lines and travel suppliers add this charge because the booking has one guest covering space and services planned for two or more guests. The amount and rules vary by itinerary and supplier.
Quick Facts About Single Supplement
Category
Cruise and tour pricing term
Used for
Solo occupancy of shared-priced space
Common confusion
Not the same as a solo cabin
Also called
Single occupancy supplement, Solo traveler supplement
Often discussed with
Luxury Travel Planning
Key Takeaways About Single Supplement
- It applies when one guest uses space priced for shared occupancy.
- The supplier sets the charge and its booking rules.
- It isn't the same as a solo cabin category.
How Single Supplement Works

Single Supplement pricing applies when a supplier sets a cabin, hotel room, or tour space for shared occupancy. The booking system then adds a charge for one traveler who uses that space alone. The charge may apply to the cruise portion, land arrangements, or both.
Related glossary terms: Cabin Category, Cruise Fare, Family Cabin.
Travel suppliers set their own rules for this charge. Some offer selected cabins with solo pricing, while others apply the supplement across available categories. The booking details should show whether the amount is included in the displayed fare or added during pricing. A solo cabin may avoid a supplement, but its location, size, and included features can differ from a shared-occupancy cabin.

Expert Note
When we build a Luxury Travel Planning itinerary, we check occupancy rules for each cruise, hotel, and tour segment. We separate the single supplement from taxes, fees, and optional services so the quote shows what each amount covers. We also check whether a solo cabin offers a different layout or location.
Single Supplement in Practice: A Real-World Example
A solo traveler books a cruise cabin priced for two guests through a Luxury Travel Planning itinerary. The cruise line adds a Single Supplement because one guest occupies the full cabin, and the quote identifies that charge separately.
Related Services
Related Terms
Cabin Category
Cabin Category is a cruise booking label that groups staterooms with similar location, size, view, layout…
Cruise Fare
Cruise fare is the base amount charged for a cruise reservation. It usually covers the stateroom…
Family Cabin
A Family Cabin is a cruise guest room planned for people traveling together as a family…
Hotel Allotment
Hotel Allotment is a block of rooms a hotel sets aside for a travel agency, group…
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