Usps Priority Mail Prices 2024. Expect a 5% average increase, with some rates going up to $3.10 more. New york — today, the united states postal service filed notice with the postal regulatory commission (prc) of mailing services price changes to take effect.

There are no price changes for usps ground advantage, priority mail®, and priority mail express® services during the july 14 price change. Priority mail flat rate prices are increasing by up to $1.18.