Money How much does the tooth fairy give for lost teeth these days? Average payment down to $3.70 February 25, 2019Ben Tobin, USA TODAYComments Off on How much does the tooth fairy give for lost teeth these days? Average payment down to $3.70 When it came to reimbursing children for a lost tooth in 2018, the Tooth Fairy paid an average of $3.70 — a 43 cent decline from the year prior.