Dog breeds / Small breeds

What a Cavalier King Charles Spaniel really costs

Cavaliers are easy keepers day to day, with modest food and grooming bills, but they carry one of the heaviest predictable vet bills of any small breed: nearly every Cavalier develops mitral valve disease, often in middle age. Budget for annual heart checks from youth and years of cardiac medication later in life.

Size
Small, 13–18 lb
Life expectancy
12–15 years
Grooming
Moderate
Insurance risk
High
Puppy price
$2,500–$3,500
Food a day
About 480 calories
Cavalier King Charles Spaniel
Lifetime cost$43,500 First year $6,670Then about $2,780 a year
Photo: Amaretto123, CC BY-SA 4.0

Where the money goes each year

A typical adult year for a Cavalier King Charles Spaniel with mainstream food, a groomer, no insurance, in an average-cost area. That's $210 less than the median breed.

  • Illness and injury (average)$902
  • Dental cleanings$425
  • Heartworm, flea and tick prevention$404
  • Checkups, vaccines and tests$330
  • Food$251
  • Grooming$219
  • Toys, beds and everyday supplies$180
  • Treats and chews$50
  • License$20
  • Typical year$2,780

Most years land between $2,160 (budget food, home grooming, lower-cost area) and $3,880 (premium food, groomer, insurance, big city). Dogs over about 8 add about $180 a year for senior checkups.

The first year

Buying a puppy front-loads the bill: the price, gear, puppy shots and spay or neuter.

Bringing a puppy home

  • Breeder price$3,000
  • Crate, bed, leash, bowls and gear$400
  • Spay or neuter$490
  • Microchip$50
  • Puppy or basic obedience class$149
  • Upfront$4,090

Running costs in year one

  • Food$251
  • Treats and chews$50
  • Puppy vaccines and checkups$738
  • Heartworm, flea and tick prevention$404
  • Grooming$219
  • License$20
  • Illness and injury (average)$902
  • Year-one running costs$2,580

First-year total: $6,670. Adopting instead brings it to about $3,250.

Make it your estimate

Change the choices that move the price most. Totals update as you go.

Where your dog comes from
Food

Mainstream means brands like Purina Pro Plan or Hill's Science Diet.

Grooming
Pet insurance
Where you live
Extras
Your lifetime estimate$43,500 First year $6,670Then about $2,780 a yearOver 14 years

$232 a month in a typical year.

  • Illness and injury (average)$902
  • Dental cleanings$425
  • Heartworm, flea and tick prevention$404
  • Checkups, vaccines and tests$330
  • Food$251
  • Grooming$219
  • Toys, beds and everyday supplies$180
  • Treats and chews$50
  • License$20
  • Typical year$2,780

What to buy

The gear and supplies in this estimate, matched to a Cavalier King Charles Spaniel. Each link searches Amazon for the right type and size.

As an Amazon Associate, PetPriceTag earns from qualifying purchases. Buying through these links costs you nothing extra and never changes our cost figures.

Health costs to plan for

Trupanion claim data shows Cavaliers more than ten times as likely as average to claim for mitral valve disease, heart murmurs and syringomyelia, putting them among the costliest small breeds to insure.

ConditionHow it affects Cavalier King Charles SpanielsTypical treatmentCost
Mitral valve disease (MVD)In a 2021 echocardiography study, all 126 Cavaliers over age 8 had mitral valve disease, and Trupanion sees Cavaliers more than ten times as often as average for MVD and heart murmur claims. SourceHeart medications once the disease advances, per year ($100–$300 a month), plus echocardiograms (about $250 each at a teaching hospital)$1,200–$3,600
Syringomyelia (Chiari-like malformation)Trupanion claim data shows senior Cavaliers are more than ten times as likely as the average dog to have a syringomyelia claim. SourceAverage annual cost of a syringomyelia claim (Trupanion claim data); MRI diagnosis adds more$800–$1,900
Congestive heart failureTrupanion claim data shows senior Cavaliers are four times as likely as the average dog to have a congestive heart failure claim. SourceAverage annual cost of congestive heart failure care (Trupanion claim data)$900–$1,500
Dental diseaseVetCompass found 25.3% of UK Cavaliers had periodontal disease in a single year (odds 2.39 times crossbreds), and Trupanion reports adult Cavaliers 2.5 times as likely to have dental claims. SourceProfessional cleaning under anesthesia ($350–$500 routine), rising to $1,500+ with extractions$350–$1,500
Patellar luxationTrupanion data shows Cavalier puppies three times as likely as the average dog to have a kneecap claim, though OFA lists only 2.2% of 18,656 screened as abnormal. SourceSurgical correction by a board-certified surgeon, per knee$1,500–$3,000

The yearly estimate already includes an average allowance of $902 for illness and injury. A single surgery can cost several times that, which is the case for an emergency fund or insurance.

What drives the cost of a Cavalier King Charles Spaniel

  • Plan for a cardiac exam every year and echocardiograms once a murmur appears; heart medications for an affected dog can cost $100–$300 a month.
  • Insure early, before a murmur is recorded; once noted, heart disease is usually excluded as pre-existing.
  • Long, feathered ears trap moisture, so weekly ear checks and cleaning help avoid repeated ear-infection visits.
  • A professional bath and tidy every couple of months keeps feathering mat-free; most owners do not need full haircuts.
  • Cavaliers keep a spaniel's chase instinct, so a fenced yard or leash is needed; lost-dog and injury costs are avoidable.

Breeder or rescue

Reputable breeder
$2,500–$3,500
Rescue or shelter
$300–$750
Lifetime, from a breeder
$43,500
Lifetime, adopted
$40,100

Good Dog's buyer's guide range is $2,500–$3,500 (median about $3,100). Insist on parents with cardiologist heart clearances; OFA's advanced cardiac exams list 13.4% of 9,879 screened Cavaliers as abnormal. Lucky Star Cavalier Rescue charges $600 for adults 2–7, $300 for seniors 8+, and $750 for dogs under 2.

Adopting vs buying: the full cost comparison

Similar-size breeds by yearly cost

Common questions

How much does a Cavalier King Charles Spaniel puppy cost?

A Cavalier King Charles Spaniel puppy from a reputable US breeder typically costs $2,500–$3,500. Adopting one through a rescue usually costs $300–$750.

How much does a Cavalier King Charles Spaniel cost per year?

After the first year, a Cavalier King Charles Spaniel costs about $2,780 a year, or $232 a month, for food, vet care, preventives, grooming, supplies and average illness costs. Depending on food, grooming, insurance and where you live, a typical year ranges from about $2,160 to $3,880.

How much does a Cavalier King Charles Spaniel cost over its lifetime?

About $43,500 over a 14-year life when bought from a breeder, or $40,100 if adopted, in 2026 dollars.

Sources

  1. AKC breed page: Cavalier King Charles Spaniel
  2. Clinical and Echocardiographic Findings in an Aged Population of Cavalier King Charles Spaniels (Animals, 2021)
  3. Trupanion: Commonly Claimed Conditions by breed (claim data sheets, 2019)
  4. OFA disease statistics by breed (patella, hips, eyes, cardiac)
  5. O'Neill et al. 2021, Epidemiology of periodontal disease in dogs in the UK primary-care veterinary setting (Journal of Small Animal Practice)
  6. Washington State University Veterinary Teaching Hospital: cardiology fee schedule (2023)
  7. Good Dog: Cavalier King Charles Spaniel breeders, buyer's guide price range (viewed Oct 2026)
  8. Lucky Star Cavalier Rescue: adoption information and fees
  9. PetMD: Mitral valve disease in dogs (Russell, DVM; updated May 2026)
  10. PetMD: How much does dog teeth cleaning cost? (Kanwal, DVM, DAVDC; updated Oct 2025)
  11. Embrace Pet Insurance: Patellar luxation (veterinary cost)

Prices are averages from the sources above and the cost baselines on our methodology page, in 2026 US dollars. Your vet, groomer and city will differ. Updated October 14, 2026.