usps overnight envelope cost

usps overnight envelope cost can vary depending on the weight and destination of your envelope. USPS offers Priority Mail Express as its overnight shipping option, with rates starting at approximately $26.35 for a small flat-rate envelope. This service guarantees delivery by 10:30 a.m. the next day, including weekends and holidays for an additional fee. For heavier packages, the cost will increase based on weight and size. USPS provides a range of delivery guarantees with this service, making it an excellent choice for urgent shipments that need to reach recipients quickly.