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Priority Mail International

6–10 Business Days1 & Flat Rate Shipping2

Priority Mail International® service is a reliable and affordable way to ship to more than 190 countries, including Canada and Australia.

Use free Flat Rate Boxes and Envelopes to pay one price, regardless of box weight, up to 70 lbs. Postage rates vary based on destination.3 Prices start at $26.90.

Ship Now Priority Mail International Priority Mail International Prices

Features & Pricing

  • Fast international delivery time: 6–10 business days1
  • May qualify for free Package Pickup3 service at your home or office
  • Includes USPS Tracking®4
  • Includes (with some exceptions) up to $100 of insurance for non-negotiable document reconstruction and up to $200 insurance for merchandise for loss or damage5
  • Except for Priority Mail International Flat Rate pricing, Priority Mail International prices are based on weight and destination country

Weight, Size, & Shape Requirements

  • Maximum weight is 70 lbs.
  • Maximum weight for Priority Mail International Flat Rate Envelopes and small Flat Rate Boxes is 4 lbs.
  • Maximum weight for medium and large Priority Mail International Flat Rate Boxes is 20 lbs.
  • Some countries have lower weight restrictions.
  • When sealing a Flat Rate Envelope or Box, the container flaps must be able to close within the normal folds.

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.

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

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 International Flat Rate Products

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Free Supplies6 Shipping Price From* Dimensions Great For…
Flat Rate Envelope

$25.55 Commercial Base

$26.90 at Post Office & Online

12 1/2″ x 9 1/2″

Letters

Documents

Manuscripts

Gift Card Flat Rate Envelope

$25.55 Commercial Base

$26.90 at Post Office & Online

10″ x 7″

Oversized Greeting Cards

Gift Cards

Window Flat Rate Envelope

$25.55 Commercial Base

$26.90 at Post Office & Online

10″ x 5″

12 1/2″ x 9 1/2″

Pre-addressed Envelopes

Small Flat Rate Envelope

$25.55 Commercial Base

$26.90 at Post Office & Online

10″ x 6″

Small Documents

Passports

Padded Flat Rate Envelope

$25.55 Commercial Base

$26.90 at Post Office & Online

12 1/2″ x 9 1/2″

Clothing

Books

Boxed Jewelry

Legal Flat Rate Envelope

$25.55 Commercial Base

$26.90 at Post Office & Online

15″ x 9 1/2″

Legal Documents

Small Flat Rate Box

$26.50 Commercial Base

$27.90 at Post Office & Online

Outside: 8 11/16″ x 5 7/16″ x 1 3/4″

Inside: 8 5/8″ x 5 3/8″ x 1 5/8″

Brochures

Small Electronics

Accessories

DVD Box

$26.50 Commercial Base

$27.90 at Post Office & Online

Outside: 8 3/4″ x 5 9/16″ x 1 1/2″

Inside: 7 9/16″ x 5 7/16″ x 1 1/8″

DVDs

CDs

Large Video Box

$26.50 Commercial Base

$27.90 at Post Office & Online

Outside: 6″ x 6 7/16″ x 2 3/16″

Inside: 9 1/4″ x 6 1/4″ x 2″

VHS Tapes

Small Books

Medium Flat Rate Box — 1 (top-loading)

$48.95 Commercial Base

$51.55 at Post Office & Online

Outside: 11 1/4″ x 8 3/4″ x 6″

Inside: 11″ x 8 1/2″ x 5 1/2″

Office Supplies

Shoes

Small Electronics

Medium Flat Rate Box — 2 (side-loading)

$48.95 Commercial Base

$51.55 at Post Office & Online

Outside: 14″ x 12″ x 3 1/2″

Inside: 13 5/8″ x 11 7/8″ x 3 3/8″

AV Equipment

Clothes

Large Flat Rate Box

$63.70 Commercial Base

$67.05 at Post Office & Online

Outside: 12 1/4″ x 12 1/4″ x 6″

Inside: 12″ x 12″ x 5 1/2″

Laptops

Multiple Items

Large Flat Rate Board Game Box

$63.70 Commercial Base

$67.05 at Post Office & Online

Outside: 24 1/16″ x 11 7/8″ x 3 1/8″

Inside: 23 11/16″ x 11 3/4″ x 3″

Board Games

* Prices are based on regional destination.

1. For many major markets. Actual number of days may vary based on origin, destination, and customs delays. Back ^ to legal disclaimer 1
2. Up to 20 lbs in the Priority Mail International Medium and Large Flat Rate Boxes and up to 4 lbs in Priority Mail International Flat Rate Envelopes and Small Flat Rate Priced Boxes. Back ^ to legal disclaimer 2
3. For details on free Package Pickup, visit Schedule a Pickup. Back ^ to legal disclaimer 3
4. Limitations may apply for certain destinations. Not available for Priority Mail International Flat Rate Envelopes or Small Flat Rate Boxes. Back ^ to legal disclaimer 4
5. See the International Mail Manual for insurance details and maximum amount of insurance allowed by each country. Back ^ to legal disclaimer 5
6. Boxes and envelopes are delivered with your regular mail usually within 7 to 10 business days. Back ^ to legal disclaimer 6