Priority Mail Express International

3–5 Business Days1 & Flat Rate Pricing2

Priority Mail Express International® service is fast, reliable, and affordable. Ship to about 180 countries, including Canada, Mexico, and Australia.

  • Flat Rate option: Ship using free Flat Rate Envelopes up to 4 lbs, starting at $59.50
  • Or ship by weight: For packages up to 70 lbs, prices vary by destination country price group and start at $61.60.

Ship NowPriority Mail Express International Priority Mail Express International Prices

As of March 1, 2023, packages sent to countries that follow European Union (EU) customs rules need more-detailed content descriptions for customs forms. Learn what you need to do.

Features & Pricing

  • Delivery in 3–5 business days1
  • Ships to about 180 countries
  • Money-back guarantee to select destinations2
  • Free Package Pickup4 service at your home or office
  • Includes USPS Tracking®5
  • Includes up to $100 insurance for non-negotiable document reconstruction and up to $200 insurance for merchandise loss, damage, or missing contents with limited exceptions6,7
  • Price based on the weight of your package and destination

Weight, Size, & Shape Requirements

  • Maximum weight for Mailing Boxes is 70 lbs.
  • Maximum weight for Flat Rate Envelopes is 4 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, the container flaps must be able to close within the normal folds.
  • Some countries have lower weight restrictions.

Customs Forms

Note: As of March 1, 2023, packages sent to countries that follow European Union (EU) customs rules need more-detailed content descriptions for customs forms. Learn what you need to do.

When you send international packages using Priority Mail Express International, your package must have a complete and computer-generated customs form:

  • If you use Click-N-Ship® service to print your own postage, it will print a customs form for you.
    Print a Label & Customs Form
  • If you’re paying for your postage at the Post Office, save time: Print your own customs form and bring it with your package to the Post Office.
    Create a Customs Form Online
  • Otherwise, you can bring your package to the Post Office, fill out Form PS 2976-R, and give it to the USPS® retail associate so they can create and print your customs form.
    Find a Post Office

Additional Information

Expand All

Mailing Restrictions & Prohibitions

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

Internationally Restricted & Prohibited Items

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

International 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 form 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

Submit a refund request for failure of service within 30 days of the mailing date. For refunds for date-certain service, call 1-800-222-1811.

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

How to Request a Refund

For Businesses

USPS offers affordable services so businesses can expand their network and compete in ever-growing global markets.

Helpful Links

Access USPS tools and resources available to businesses that send and receive international shipments.

Priority Mail Express International Flat Rate Products

Expand All
Free Supplies8 Shipping Price From Dimensions Weight Limit
Flat Rate Envelope

$55.49 Commercial Base

$59.50 at Post Office & Online

12 1/2″ x 9 1/2″

up to 4 lbs

Legal Flat Rate Envelope

$55.49 Commercial Base

$59.50 at Post Office & Online

15″ x 9 1/2″

up to 4 lbs

Padded Flat Rate Envelope

$55.49 Commercial Base

$59.50 at Post Office & Online

12 1/2″ x 9 1/2″

up to 4 lbs

1. For many major markets. Actual number of days may vary based on origin, destination, and customs delays. Back ^ to legal disclaimer 1
2.You can receive date certain service with a money back guarantee to select locations. You must pay postage and mail your letter or package at a Post Office location. Browse Individual Country List. Back ^ to legal disclaimer 2
3. Up to 4 lbs in the Priority Mail Express International Flat Rate Envelopes. Back ^ to legal disclaimer 3
4. For details on free Package Pickup, visit Schedule a Pickup. Back ^ to legal disclaimer 4
5. Limitations may apply for certain destinations. Back ^ to legal disclaimer 5
6. See the International Mail Manual for maximum amount of insurance allowed by each country. Back ^ to legal disclaimer 6
7. Visit the International Mail Manual for insurance details. Back ^ to legal disclaimer 7
8. Boxes and envelopes are delivered with your regular mail usually within 7 to 10 business days. Back ^ to legal disclaimer 8