Priority Mail Express International

3–5 Business Days1 & Flat Rate Pricing2

Priority Mail Express International® service is fast, reliable, and affordable. Ship from your home or office to more than 190 countries, including Canada and Australia.

Use free Flat Rate Envelopes, to pay one price, regardless of box weight, up to 70 lbs. Postage rates vary based on destination.3 Prices start at $45.95.

Ship NowPriority Mail Express International Priority Mail Express International Prices

Features & Pricing

  • Delivery in 3–5 business days1
  • 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 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 Flat Rate Envelope or Box, the container flaps must be able to close within the normal folds.
  • Some countries have lower weight restrictions.

Customs Forms

Print your international postage with Click-N-Ship® and our tool creates the customs form for you.

If you just need a customs form, you can use our online tool to fill out the correct form.

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.

Internationally Restricted & Prohibited Items

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

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

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Free Supplies8 Shipping Price From Dimensions Weight Limit
Flat Rate Envelope

$45.95 Commercial Base

$42.85 at Post Office & Online

12 1/2″ x 9 1/2″

up to 4 lbs

Legal Flat Rate Envelope

$45.95 Commercial Base

$42.85 at Post Office & Online

15″ x 9 1/2″

up to 4 lbs

Padded Flat Rate Envelope

$45.95 Commercial Base

$42.85 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