How much do Flat Rate boxes cost to ship?
Table of Contents
Domestic Priority Mail Flat-Rate Packaging Information
Package | Price |
---|---|
Priority Mail Small Flat-Rate Box | $4.95 |
Priority Mail Medium Flat-Rate Box (FRB1) | $10.35 |
Priority Mail Medium Flat-Rate Box (FRB2) | $10.35 |
Priority Mail Large Flat-Rate Box | $13.95 |
How Much Is Flat Rate box with USPS?
Priority Mail Flat Rate Products

Free Supplies8 | Shipping Price |
---|---|
Small Flat Rate Box | $8.25 Commercial Base $9.45 at Post Office & Online |
Medium Flat Rate Box — 1 (top-loading) | $14.25 Commercial Base $16.10 at Post Office & Online |
Medium Flat Rate Box — 2 (side-loading) | $14.25 Commercial Base $16.10 at Post Office & Online |
Who has the cheapest Flat Rate box?
USPS
For single boxes, USPS is often the cheapest option. For larger boxes or shipments of multiple boxes, consolidated freight is one of the most cost-effective shipping methods. Compare rates for shipping flat rate boxes using the most common shipping methods: USPS.
What is the cheapest way to mail a package?
The cheapest way to send packages depends on the package you’re shipping:

- Small, light items packed into padded mailers are cheapest when shipped by USPS.
- Small, heavy items are cheapest when shipped using USPS flat-rate pricing.
- Large, light items are cheapest when shipped with USPS Priority Mail.
How much does USPS Flat rate box cost?
Maximum weight for Priority Mail International Flat Rate Envelopes and Small Flat Rate Boxes is 4 lbs.
How much does a flat rate box cost?
USPS flat rate boxes are free. Merchants can simply order them at no cost and start shipping. Merchants can simply order them at no cost and start shipping. Merchants will still need to purchase packing peanuts or similar cushioning material, but not having to pay as much as $1 per box can be huge savings.
What is the largest flat rate USPS box?
Large Flat Rate Box: $19.30 Commercial Base. $21.90 at Post Office & Online. Outside: 12
How much does it cost to mail a 9×12 envelope?
The cost to mail a 9×12 envelope is a minimum of $1.00 and increases by $0.21 for every