overnight a letter usps cost

overnight a letter usps cost refers to the price for sending a letter via USPS overnight service. USPS offers Priority Mail Express for overnight delivery, with rates depending on the size, weight, and destination of the letter. As of 2024, the base price for Priority Mail Express starts at around $26.35 for a small flat-rate envelope, with additional fees for larger or heavier letters. This service guarantees delivery by the next day, including weekends and holidays, if necessary.