Bottom line Accident-and-illness coverage averages about $70 a month for dogs and $36 a month for cats[1]. It's usually worth it if you have a breed prone to expensive conditions, or if a surprise $3,000–5,000 vet bill would wreck your budget — otherwise, self-insuring with a savings account is a reasonable alternative.
Not financial advice Premiums and coverage vary by breed, age, location, and insurer. Read the policy's exclusions, waiting periods, and reimbursement terms before you buy.

What pet insurance costs

Pet insurance comes in three broad tiers, and the price gap between them is wide. According to data from the North American Pet Health Insurance Association (NAPHIA), reported by NerdWallet, accident-and-illness coverage — the plan most people mean when they say "pet insurance" — averages about $70 a month for dogs ($836 a year) and $36 a month for cats ($435 a year)[1].

Dog looking at the camera

Accident-only coverage is much cheaper: about $16 a month for dogs and $9 a month for cats[1]. It pays for things like broken bones, bite wounds, and swallowed objects, but not illnesses. At the other end, a plan that adds routine wellness care (vaccines, dental cleanings, checkups) averages about $118 a month for dogs and $72 a month for cats[1].

Coverage typeDog (monthly)Cat (monthly)
Accident only$16$9
Accident & illness$70$36
Accident, illness & wellness$118$72

Your own quote will differ from these averages. Premiums rise with the pet's age and vary by breed, species, and where you live, because treatment costs and claim rates differ. Insurers also price by the settings you choose — deductible, reimbursement percentage, and annual coverage limit — which is why two people with the same dog can pay very different monthly amounts.

When it's worth it

Pet insurance is a bet against a big, unpredictable vet bill — not a way to save money on routine care. It makes the most sense when an emergency (surgery, hospitalization, cancer treatment) would be financially painful. Emergency and specialty care routinely runs into the thousands: a surgery with hospitalization can cost $3,000 to $5,000 or more, and that's exactly the scenario where a $70-a-month plan pays for itself in a single incident.

It's also more valuable for purebred dogs and breeds with known health issues — hip dysplasia, certain heart conditions, and some cancers — because the odds of an expensive diagnosis are higher. If you'd rather pay a predictable monthly premium than face a four-figure surprise bill, accident-and-illness coverage is worth serious consideration.

Most policies work on a reimbursement model: you pay the vet up front, then submit a claim and get back a percentage after your deductible. You choose the reimbursement percentage and the deductible when you buy, and both change your premium — a higher reimbursement and a lower deductible cost more per month. The headline price you're quoted depends on those settings, so compare plans with the same configuration.

Think of it as insuring the gap between what you can comfortably pay and what a worst-case treatment costs. If your emergency fund could cover a surprise surgery without strain, you may not need insurance. If a multi-thousand-dollar bill would mean credit card debt or a difficult choice, the premium buys real peace of mind.

When it's not worth it

Pet insurance isn't a good fit for everyone. Three situations stand out:

  • Pre-existing conditions. Insurers almost never cover conditions your pet had before the policy started. If your pet already has a chronic diagnosis, a new policy won't pay for it.
  • Older pets. Premiums rise with age, and some insurers limit new enrollments or exclude age-related conditions. Buying coverage early — before anything is diagnosed — is the whole game.
  • Tight budgets. If the premium itself is a stretch, it may be better to self-insure by setting aside what you'd pay in premiums into a dedicated savings account. The trade-off is that an emergency can arrive before the fund is built up.

The honest math: a dog owner paying $70 a month spends about $836 a year[1]. Over several years, that adds up to several thousand dollars — enough to have covered one major incident. If your dog never has a claim, the insurance "loses," but the point of insurance is the year something does go wrong.

Wellness add-ons are usually the weakest value. A plan that adds routine care averages $118 a month for dogs and $72 for cats[1] — well above the accident-and-illness price — and mostly prepays routine care you could budget for yourself. Most people are better off putting that money toward accident-and-illness coverage or a dedicated savings account.

FAQ

Does pet insurance cover pre-existing conditions?

Almost never. Most policies exclude conditions that existed before coverage started, or that appeared during the waiting period. This is why buying coverage while your pet is young and healthy matters.

How long is the waiting period?

It varies by insurer and by condition type. Accidents are typically covered sooner than illnesses, but you should confirm the exact window in the policy before you buy — it's one of the terms that differs most between companies. Some insurers also apply a longer window for certain conditions, so read the fine print before you commit.

Can I use any veterinarian?

In most cases, yes. Unlike human health insurance, most pet insurance reimburses you for any licensed veterinarian, including specialists and emergency clinics. You pay the bill up front, then file a claim for reimbursement.

Sources

  1. NerdWallet (citing NAPHIA data) — Cost of pet insurance (2026) — nerdwallet.com