Money How much does the tooth fairy pay for a lost tooth? It may depend on what’s in your wallet August 22, 2019 Kelly Tyko, USA TODAY Comments Off on How much does the tooth fairy pay for a lost tooth? It may depend on what’s in your wallet In 2018, the tooth fairy paid an average of $3.70 per tooth, but some kids get a lot more. What does the tooth fairy pay in your state?