usps overnight pricing

usps overnight pricing USPS overnight pricing is based on the weight, dimensions, and destination of the package. For their Priority Mail Express service, USPS offers flat-rate options that make it easier to estimate the cost of overnight delivery. In addition to the flat-rate pricing, the cost can vary depending on whether the delivery is within the U.S. or international. Customers can calculate the exact price using the USPS pricing tools available on their website.