post office overnight mail price

post office overnight mail price for USPS is determined by the service level and destination. USPS offers Priority Mail Express for overnight mail, with rates starting around $26.35 for domestic shipments. Prices increase based on the weight and size of the package, as well as the delivery zone. Priority Mail Express provides guaranteed overnight delivery, including tracking, and is available for both packages and letters. It’s the fastest service USPS offers, ideal for time-sensitive documents or parcels that need to arrive by the next business day.