post office overnight cost

post office overnight cost The cost of USPS overnight shipping depends on the size and weight of the package and the service selected. USPS offers Priority Mail Express, which guarantees overnight delivery to most U.S. locations. Rates for Priority Mail Express start at approximately $26.35 for small packages, with additional charges for heavier or larger packages. Rates may also vary based on the destination and any additional services like insurance or delivery confirmation.