How much is priority mail large flat rate box

The cost of a Priority Mail Large Flat Rate Box varies depending on the destination and the weight of the package. Here are the current rates for a Priority Mail Large Flat Rate Box:

Domestic (within the United States)

International

Additional Fees

Note: These rates are subject to change, so it's always a good idea to check the official USPS website or consult with a postal representative for the most up-to-date information.

Keep in mind that the Large Flat Rate Box is a specific size, measuring 12 inches long, 12 inches wide, and 5.5 inches high. If your package is larger or heavier than this, you may need to use a different shipping option or upgrade to a larger box.