The only exception is if you are shipping something between 1 lb, 1 oz - 2 lbs to Zone 9 in this case, it's best to use the Medium Flat Rate Box. Looking at the USPS pricing chart, we can see that if your shipment weighs under 2 pounds, USPS Priority Mail rates will be cheaper than the Medium Flat Rate Box. USPS' Flat Rate boxes are the best value for money, as you can ship items up to 70 lbs for a relatively low flat rate.2 Is it cheaper to mail Flat Rate or priority? First Class only covers packages up to 13 oz. What is the cheapest method to ship a package?įor larger packages, USPS Priority Mail is also the most affordable, with prices starting at $8.70 for 1-3 day delivery. The Listed Outer Dimensions of Each Free USPS Box They work on the premise of “if it fits, it ships,” which gives plenty of options to anyone mailing a package and gives some breathing room to those who regularly mail higher-density objects.1 What are the sizes of the free USPS boxes? The only thing you'll need to pay for is the cost of postage.0Ĭan you get free USPS boxes at the post office?įree Boxes From USPS Anyone can go to the post office and pick up these boxes for free. This includes Priority Mail Flat Rate and Priority Mail Express boxes and envelopes, as well.

USPS Will Never Charge You for Priority Mail Packaging They're always free, no matter if you get them at your local Post Office or on.

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