Affordable Shipping Options to Consider Here's what you need to know to minimize costs and determine the cheapest way to ship a package. By Kristin McGrath, Contributor SeptIf you're looking to save money, here are some of the cheapest ways to ship packages: Cheapest shipping option for tiny packages: The U.S. Postal Service's First-Class Package Service (by weight). Cheapest shipping option for small packages: U.S. Postal Service's Priority Mail. Best shipping option for med