Usps Media Mail Prices 2024. Washington, dc — today, the united states postal service filed notice with the postal regulatory commission (prc) of mailing services price changes to take. Usps media mail is the cheapest way to ship books and educational materials.

The cost of priority mail express flat rate envelope will be $30.45 pending approval, according to usps. Usps media mail is the cheapest way to ship books and educational materials.