how much does it cost to ship overnight is a common question for individuals and businesses who need to send packages urgently. The cost of overnight shipping depends on several factors, including the shipping carrier (e.g., USPS, UPS, or FedEx), the weight and dimensions of the package, and the delivery destination. For example, USPS offers Priority Mail Express, which guarantees overnight delivery for a higher price than standard shipping options. Similarly, UPS and FedEx provide overnight services like UPS Next Day Air and FedEx Express, each with varying prices based on the shipment’s size and location.