Priority Mail Express

Next-Day to 2-Day Guarantee1 & Flat Rate Pricing2

Priority Mail Express® provides next-day to 2–day delivery service by 6 PM with a money–back guarantee1. You get competitive prices and fast delivery every day, all year, with limited exceptions, to most U.S. addresses and PO Boxes3. Priority Mail Express Flat Rate lets you ship packages up to 70 lbs to any state at the same price. Mail from Post Office locations or from your home or business with Click-N-Ship® service. Prices start at $26.60.

Ship Now with Priority Mail Express Priority Mail Express Prices

Features & Pricing

  • Fastest delivery times: next day — 2 days with a money-back guarantee1
  • Sunday and holiday delivery available in many major markets for an additional fee
  • Free Package Pickup4 service at your home or office
  • Includes USPS Tracking® and up to $100 of insurance5 with most shipments6
  • Price includes proof of delivery signature record (if requested at time of purchase)

Weight, Size, & Shape Requirements

  • Maximum weight is 70 lbs.
  • Maximum combined length and girth (girth is the distance around the thickest part) is 108″.
  • When sealing a Mailing Box or Flat Rate Envelope or a Mailing Box, the container flaps must be able to close within the normal folds.

How to Prepare a Package

Additional Information

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Mailing Restrictions & Prohibitions

There are specific regulations and standards for mailing restricted, prohibited, and hazardous materials, including cigarettes and smokeless tobacco.

Domestically Restricted & Prohibited Items

Learn more about what items you may and may not mail within the U.S.

Domestic Shipping Prohibitions & Restrictions

Shipping to a Military Post Office (APO/FPO/DPO)

You'll pay domestic prices for packages shipped to a Military Post Office (APO/FPO/DPO), but these destinations require a customs forms and have specific restrictions.

Military & Diplomatic Mail

Learn more about how to send mail and packages to loved ones overseas.

Sending APO/FPO/DPO Mail

Requesting a Refund

If your shipment didn't arrive on the guaranteed delivery date or time (found on your receipt), submit a refund request for failure of service within 30 days of the mailing date.

Find out how to apply and what documents you need to submit for a Priority Mail Express refund.

How to Request a Refund

For Businesses

USPS® understands what's most important to our business customers: speed, affordability, security, and customer service. We help businesses provide these services and resources to your customers at discounted rates.

Priority Mail Express Open & Distribute

Expedite the transportation of your bulk mailings with Priority Mail Express Open & Distribute® (PMEOD). Customers using PMEOD services ship their items in an approved USPS container to an authorized location where USPS opens the container before delivering the contents to their final destinations.

  • Prices are commercial rates based on weight and zone to quickly move your mailings at a reasonable cost.
  • Mailings include a special barcoded label, so you can easily track your shipments.

Priority Mail Express Open & Distribute

USPS Corporate Account

Streamline your payments by charging all of your next-day mail services to one account. And for easy record-keeping, you'll get a monthly report with an itemized list of shipments.

Sign Up for a USPS Corporate Account

Manage Incoming Mail

Our cost-effective and convenient mail services help you keep up with your incoming mail and manage your outgoing mail, so you can better focus on growing your business.

Manage Your Business Mail

Next-Day Deliveries

Priority Mail Express® next-day delivery is available when you need to get shipments to customers in a hurry.

  • Use the Service Commitments tool to find out when you can expect your package to arrive and whether we can offer a money-back guarantee.
  • Drop-off times vary by Post Office location, but it's easy to find convenient locations when you know the ZIP Codes you're shipping to.

Find a Location

Helpful Links

Priority Mail Express Flat Rate Products

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Free Supplies7 Shipping Price Dimensions Great For…
Flat Rate Envelope

$23.50 Commercial Base

$27.10 at Post Office & Online

12 1/2″ x 9 1/2″



Legal Flat Rate Envelope

$23.70 Commercial Base

$27.25 at Post Office & Online

15″ x 9 1/2″

Legal Documents

Padded Flat Rate Envelope

$24.00 Commercial Base

$27.70 at Post Office & Online

12 1/2″ x 9 1/2″



Boxed Jewelry

1. Exceptions apply. For details, visit the Domestic Mail Manual. Back ^ to legal disclaimer 1
2. Scheduled delivery date depends on origin, destination, and drop-off time. Some restrictions apply. For additional information, visit the Price Calculator. Back ^ to legal disclaimer 2
3.For mailable items up to 70 lbs. Back ^ to legal disclaimer 3
4.For details on free Package Pickup, visit Schedule a Pickup. Back ^ to legal disclaimer 4
5.Available only for certain products and to certain destinations. Restrictions and exclusions apply. For details, visit 609.4.3 (Non-payable Claims), 609 (Filing Indemnity Claims for Loss or Damage), and 503.4 (Insured Mail) of the Domestic Mail Manual. Back ^ to legal disclaimer 5
6.Priority Mail Express shipments with insurance must have an applicable USPS® shipping label to qualify for the included insurance. For shipments valued at more than $100, additional insurance may be available for purchase. Back ^ to legal disclaimer 6
7.Boxes and envelopes are delivered with your regular mail usually within 7 to 10 business days. Back ^ to legal disclaimer 7