what is cheaper usps or ups depends on the type of shipment, delivery speed, and destination. USPS is generally more affordable for smaller, lighter packages, especially for services like First-Class Mail and Priority Mail. It is often the better choice for residential shipments, offering competitive rates for smaller packages. UPS, on the other hand, tends to be more cost-effective for larger, heavier packages and offers reliable services for both domestic and international shipping. For businesses, the decision on which carrier to use often depends on the specific needs of the shipment, such as delivery speed, size, weight, and destination.