Priority Mail International
6–10 Business Days1 & Flat Rate Pricing2
Priority Mail International® service is a reliable and economical way to ship to more than 180 countries, including Canada, Mexico, and Australia.
- Flat Rate option: Ship using free Flat Rate Boxes and Envelopes (envelopes and small boxes up to 4 lbs, medium and large boxes up to 20 lbs), starting at $30.90.
- Or ship by weight: For packages up to 70 lbs, prices vary by destination country price group and start at $42.95.
Customs forms for all packages sent internationally now require more detailed item descriptions. Learn what you need to do.
Features & Pricing
- Fast international delivery time: 6–10 business days1
- Ships to about 180 countries
- May qualify for free Package Pickup3 service at your home or office
- Includes USPS Tracking®4
- Includes (with some exceptions) up to $100 insurance for reconstruction of nonnegotiable documents (such as personal correspondence with no cash value) and up to $200 insurance for merchandise (such as gifts and other goods) to cover loss, damage, or missing contents5
- 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 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.
- Maximum weight for packages sent by weight is 70 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
Note: 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 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
Priority Mail International Flat Rate Products
Expand All| Free Supplies6 | Shipping Price From* | Dimensions | Great For… |
|---|---|---|---|
| Flat Rate Envelope | $29.66 Commercial Base $30.90 at Post Office™ & Online |
12 1/2″ x 9 1/2″ |
Passports & Passport Applications Documents Manuscripts |
| Window Flat Rate Envelope | $29.66 Commercial Base $30.90 at Post Office & Online |
10″ x 5″ 12 1/2″ x 9 1/2″ |
Pre-addressed Envelopes |
| Small Flat Rate Envelope | $29.66 Commercial Base $30.90 at Post Office & Online |
10″ x 6″ |
Small Documents Oversized Greeting Cards Gift Cards |
| Padded Flat Rate Envelope | $29.66 Commercial Base $30.90 at Post Office & Online |
12 1/2″ x 9 1/2″ |
Clothing Books Boxed Jewelry |
| Legal Flat Rate Envelope | $29.66 Commercial Base $30.90 at Post Office & Online |
15″ x 9 1/2″ |
Legal Documents |
| Small Flat Rate Box | $30.68 Commercial Base $32.20 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 Flat Rate Box | $30.68 Commercial Base $32.20 at Post Office & Online |
Outside: 8 3/4″ x 5 9/16″ x 7/8″ Inside: 7 9/16″ x 5 7/16″ x 5/8″ |
DVDs CDs |
| Large Video Flat Rate Box | $30.68 Commercial Base $32.20 at Post Office & Online |
Outside: 9 7/16″ 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) | $58.06 Commercial Base $61.80 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) | $58.06 Commercial Base $61.80 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 | $73.24 Commercial Base $75.15 at Post Office & Online |
Outside: 12 1/4″ x 12″ x 6″ Inside: 12″ x 11 3/4″ x 5 1/2″ |
Laptops Multiple Items |
| Large Flat Rate Board Game Box | $73.24 Commercial Base $75.15 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