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.

  • Options: Ship using free Flat Rate Envelopes up to 4 lbs, or ship by weight for packages up to 70 lbs.
  • Prices vary by destination country price group and start at $47.95.

Ship NowPriority Mail Express International Priority Mail Express International Prices

ALERT: USPS can no longer accept or deliver international mail to several countries due to COVID-19 service impacts. See all countries with temporary service and guaranteed-delivery suspensions. Read More

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

If you pay for and print your international postage online with Click-N-Ship® service, 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 and then pay for postage at a Post Office location.

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

$44.95 Commercial Base

$47.95 at Post Office & Online

12 1/2″ x 9 1/2″

up to 4 lbs

Legal Flat Rate Envelope

$44.95 Commercial Base

$47.95 at Post Office & Online

15″ x 9 1/2″

up to 4 lbs

Padded Flat Rate Envelope

$44.95 Commercial Base

$47.95 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