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 – a 43-cent decline from the previous year's average of $4.13.