
International Postage Rates: What Are the Prices for International Mail Delivery
USPS's international postage rate starts from as low as $1.70 for letters and postcards to all countries, using First-Class Mail International (FCMI). Priority Mail International has better benefits and is faster than FCMI, but the rates are slightly higher, starting at $32.65. However, you can always opt for Priority Mail Express International if you want a shorter delivery timeline. The rates for this global shipping service start at $62.70.
Learning about the international mailing rates helps you optimize your mailing budgets and predict accurate delivery timelines. Below, we discuss more about these services and their prices. Let us begin!
TL;DR
- Priority Mail Express International offers faster service, delivering in three to five days.
- First-Class Mail International is a cost-effective option for letters and postcards, starting at just $1.70
- Understanding USPS international mail rates helps improve mailing budgets and predict delivery timelines.
- Using commercial pricing can significantly reduce postage costs for bulk shipments
- High-volume senders should consider services like Airmail M-Bags, International Priority Airmail (IPA), and International Business Reply Service (IBRS).
Key Takeaways:
- If you need the fastest and most reliable international postal service, Mail Express International is your best choice, delivering packages in just three to five business days. The prices start at $62.70 for retail and $60.05 for commercial mail items.
- Priority Mail International starts at $32.65 at the Post Office, but costs $31.61 for commercial rates.
- First-Class Mail International (FCMI) is a cheap way to send letters and small packages. Like other USPS services, you can use it to send mail to over 190 countries, including Canada and the UK, with prices starting at $1.70.
- You must fill out a customs declaration form for sending anything other than a standard letter or postcard, and the recipient has to fulfill any customs duties or taxes.
What Are International Postage Rates?
It goes without saying that the first-class international postage rates and standard-class international postage rates are different, as the former is much faster than the latter. That being said, first-class and standard-class international postage rates are subject to further variations depending on a number of factors.
Typically, it is seen that the packages or posts you send directly from the Post Office are the most expensive of the lot. The international postage rates are much cheaper when it comes to both Commercial Base Pricing and Commercial Plus Pricing. You can get the Commercial Base Pricing for your international postage rates if you buy and print shipping labels with an online postage service provider (stamps.com, for example).
You can only get Commercial Plus Pricing for your international postage rates if you are a high-volume shipper. For this international postage rate to be effective, the shipper needs to enter into a Customer Commitment Agreement with the USPS. The shipper can also access this rate by meeting designated volume thresholds. This could be especially easy for a PostGrid who deals with bulk postage mails regularly.
International Postage Rates From the US
Global Express Guaranteed Shipments
The Global Express Guaranteed or GXG is the fastest option available at your disposal for international shipping. The GXG shipment boasts a short delivery time of 1-3 days to over 190 countries around the globe. What makes it even more reliable is the fact that they offer a money-back guarantee with a date-certain delivery. FedEx Express provides international transportation and delivery for GXG postage.
Besides the quick delivery, GXG also comes with all the USPS's standard advantages, such as tracking to all destinations and insurance for up to $100. You even get a free GXG shipping Kit with GXG stickers, labels, and envelopes. The international postage rates for GXG packages are not fixed and are liable to change depending on multiple factors, including size, shape, weight, and distance.
GXG Package Weight & Dimensions
Weight: The minimum weight for a GXG package is 0.5 lbs with a maximum weight of 70 lbs.
Dimensions: The maximum combined length and girth (the distance around the thickest part) of your GXG package is 108 inches. This means your GXG package can have a maximum length of 45 inches, 46 inches high, and 35 inches wide.
GXG International Postage Rates
The pricing starts from $74.95 at the Post Office, whereas both the Commercial Base and Commercial Plus pricing would only cost you $56.10.
The price is further subject to changes based on your shipment size, dimension, and destination country. The international postage rate for GXG packages could go as high as $1,158 for retail mailers and $1,100 for commercial.
Global Express Guaranteed Shipments (Suspended)
The Global Express Guaranteed or GXG used to be the fastest option available at your disposal for international shipping. It featured a short delivery time of one to three days to over 190 countries around the globe. Also, there was a money-back guarantee with a date-certain delivery.
FedEx Express used to provide international transportation and delivery for GXG postage. However, the USPS officially suspended Global Express Guaranteed (GXG) service on September 29, 2024. So, the next fastest option is Priority Mail Express International, which delivers mail within three to five business days.
Priority Mail Express International
If you are looking for an international postal service that is fast and reliable while still being affordable, Priority Mail Express International is your best choice. The delivery period for this package is just 3 to 5 business days, and more importantly, they come with flat-rate shipping as well. You can avail of this service for your home or work purposes and send your posts to over 190 countries.
Priority Mail Express International can be the ideal choice for companies that often send out envelopes to their customers or employees as it allows you to use Flat Rate Envelopes. The Flat Rate Envelopes allows you to pay one price for your posts as long as the weight does not exceed 4 lbs. In this case, the variation in the international postage rates is based on the destination alone.
Furthermore, Priority Mail Express International also offers a money-back guarantee similar to the one we saw in GXG packages. The only difference is that it only applies to select destinations. The select destinations include almost all major countries, including Australia, Canada, France, China, and many more. The international postage rates to Australia may not necessarily be the same as the USA's international postage rates. You can also get insurance of up to $100 on documents and up to $200 on merchandise.
Priority Mail Express International Package Weight & Dimensions
Weight: The maximum weight for a Priority Mail Express International package from USPS is 70 lbs.
Dimensions: The maximum combined length and girth of your Priority Mail Express International package is 108 inches. However, this may be subjected to country-specific restrictions.
Priority Mail Express International Flat Rate (Envelope) Weight & Dimensions
The Priority Mail Express International Flat Rate is further classified into three categories. This includes the regular Flat Rate Envelope, the Legal Flat Rate Envelope for posting legal documents, and finally, a Padded Flat Rate Envelope for important or delicate documents.
Weight: The maximum weight permissible for the Priority Mail Express International Flat Rate (Envelope) is 4 lbs for all three kinds of international flat rate envelopes.
Dimensions:
- Flat Rate Envelope
12 1/2″ x 9 1/2″ - Legal Flat Rate Envelope
15″ x 9 1/2″ - Padded Flat Rate Envelope
12 1/2″ x 9 1/2″
Priority Mail Express International Postage Rates
The pricing starts from $61.60 at the Post Office, whereas both the Commercial Base and Commercial Plus pricing would only cost you $57.32.
The international postage rate for Priority Mail Express International packages could go as high as $696.60 for retail mailers and $691.04 for commercial, depending on the package's weight or size.
Priority Mail Express International Flat Rate (Envelope) Postage Rates
The pricing starts from $62.70 at the Post Office, whereas both the Commercial Base and Commercial Plus pricing would only cost you $60.05.
The postage rate for the three different types of envelopes is the same. The postage rate for Priority Mail Express International Flat Rate (Envelope) can go as high as $80.85 and $77.80 for retail and commercial mailers, respectively, depending on the package's weight or size.
Priority Mail International
Priority Mail International from USPS can be the ideal choice for you if you can afford to have a 6-10 business day gap until the package is sent and received. As you may have already guessed, Priority Mail International is an economical alternative to your postage service requirements. What's more attractive about USPS's Priority Mail International is that you can use free Flat Rate Boxes and Envelopes regardless of the box weight as long as it is below 70 lbs.
However, the postage prices vary based on the destination. The international postage rates to the UK will be different from the international postage rates to India or international postage rates to Germany, and so on. Priority Mail International also allows you to avail of the postage service to over 190 countries and even comes equipped with USPS tracking.
Priority Mail International Package Weight & Dimensions
Weight: The maximum weight for a Priority Mail International package from USPS is 70 lbs.
Dimensions: The maximum combined length and girth of your Priority Mail Express International package are subject to country-specific restrictions.
Priority Mail International Flat Rate (Envelopes & Boxes) Weight & Dimensions
Weight: The maximum weight permissible for the Priority Mail International Flat Rate Envelopes and Small Flat Rate Boxes is 4 lbs. At the same time, the maximum weight permissible for medium and large Priority Mail International Flat Rate Boxes is 20 lbs
Dimensions:
Flat Rate Envelopes
- 12 1/2″ x 9 1/2″
Small Flat Rate Boxes
- Outside: 8 11/16″ x 5 7/16″ x 1 3/4″
- Inside: 8 5/8″ x 5 3/8″ x 1 5/8″
Medium Flat Rate Boxes
Top-loading
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- Outside: 11 1/4″ x 8 3/4″ x 6″
- Inside: 11″ x 8 1/2″ x 5 1/2″
Side-loading
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- Outside: 14″ x 12″ x 3 1/2″
- Inside: 13 5/8″ x 11 7/8″ x 3 3/8″
Large Flat Rate Boxes
- Outside: 12 1/4″ x 12 1/4″ x 6″
- Inside: 12″ x 12″ x 5 1/2″
Priority Mail International Postage Rates
The pricing starts from $43.55 at the Post Office, whereas both the Commercial Base and Commercial Plus pricing would only cost you $42.14.
The international postage rate for Priority Mail Express International packages could go as high as $616.75 for retail mailpieces and $596.75 for commercial, depending on the package's weight or destination.
Priority Mail International Flat Rate (Envelopes & Boxes) Postage Rates
Flat Rate Envelopes
- From $32.65 at Post Office
- From $31.61 for Commercial Base & Commercial Plus
Small Flat Rate Boxes
- From $33.75 at Post Office
- From $32.66 for Commercial Base & Commercial Plus
Medium Flat Rate Boxes
- From $61.80 at Post Office
- From $59.69 for Commercial Base & Commercial Plus
Large Flat Rate Boxes
- From $75.15 at the Post Office
- From $73.24 for Commercial Base & Commercial Plus
First-Class Mail International
The First-Class Mail International or FCMI service is one of the most economical ways to send letters or even lightweight packages. Similar to the other postage services offered by USPS, this one also allows you to send letters or lightweight packages to over 180 countries, including Canada and Great Britain. With FCMI, you can send letters or postcards around the world with a simple Global Forever® stamp, which merely costs about $1.70, and the stamp never expires, either.
Companies all around the globe make use of FCMI for sending out letters and postcards to their customers as well as employees. However, this can become a tedious task even if it's free, especially for bulk postage mail sent from companies. Handling a large number of postage envelopes can be made easier using an automated postage service like PostGrid, and it can even let you track your postal mails with ease.
FCMI Package Weight & Dimensions
Weight: The FCMI packages that are eligible for flats can weigh up to 15.994oz.
Dimensions: The dimensional requirement of an FCMI package is just that it has to be rectangular. If not, it may be subjected to additional charges. Depending on the type of your mailpiece, additional size restrictions may be applicable.
FCMI Postage Rates
The pricing starts from $1.70 for standard-size letters and postcards weighing 1 oz. However, for envelopes weighing more than 1 oz, you must check the destination country’s price group in the list here.
First-Class Package International Service
The First-Class Package International Service, or FCPIS, from USPS allows you to send lightweight packages across the world to over 180 countries. FCPIS does not allow you to send packages valued at more than $400.
The Post Office charges $17.85 for the Commercial Base and Commercial Plus, while the Commercial Plus costs $17.27.
FCPIS Package Weight & Dimensions
Weight: The FCPIS packages can have a maximum weight of 4 lbs or 64oz.
Dimensions: The maximum combined length, height, and width of an FCPIS package are 36 inches or 42 inches for rolls/tubes.
FCPIS Postage Rates
The Post Office charges $19.40 for the retail FCPIS, while the Commercial Base or Plus costs $18.48.
Airmail M-Bags
If you want to send large amounts of printed material internationally at an affordable price, USPS's Airmail M-Bags are the best choice. You can send any printed material, including newspapers, magazines, books, catalogs, commercial advertisements, and much more.
Airmail M-Bags Package Weight & Dimensions
Weight: There is no minimum weight for Airmail M-Bags, but anything under 11 lbs will be charged the same rate at 11 lbs postage, and the maximum weight is 66 lbs.
Airmail M-Bags International Postage Rates
The pricing for Airmail M-Bags starts from $84.92 (11lbs), and the rates per additional pound start from $7.72.
International Priority Airmail (IPA) & International Surface Air Lift (ISAL)
The IPA and ISAL services offered by USPS are targeted toward volume mailings. While both IPA and ISAL deal with First Class Mail International postcards, letters, and large envelopes (flats), and small packets, the ISAL service also includes M-bags.
IPA and ISAL International Postage Rates
The IPA per-piece prices start from $0.59 for letters and flats and $0.41 for packets. Please note that these are the rates for Direct Country Containers. Also, full-service and ISC drop shipment per-pound charges may be applicable
International Business Reply Service (IBRS)
The USPS's IBRS service allows businesses to distribute envelopes and cards to foreign countries for return to the international address in the US. This does not require a prepayment of postage. The fee (postage + service) is collected from the sender residing in the US at delivery.
IBRS Package Weight & Dimensions
Cards
- Minimum size: 3–1/2 by 5–1/2 inches
- Maximum size: 4–1/4 by 6 inches
- Thickness: Not less than .007 inch nor more than .016 inch
Envelopes
- Minimum size: 3–1/2 by 5–1/2 inches
- Maximum size: 6–1/8 by 11–1/2 inches
- Thickness: Not less than .007 inch or more than .2 inch
- Maximum weight: 2oz
IBRS International Postage Rates
The pricing for IBRS International Postage starts from $2.45 for cards and $3.05 for envelopes.
Price Comparison Between USPS International Mailing Services
| USPS Service | Mailpiece Type & Weight Limits | Retail (Post Office) Starting Price | Commercial (Base/Plus) Starting Price |
| Priority Mail Express International | Packages (Up to 70 lbs) | $64.25 | $61.56 |
| Flat Rate Envelopes (Up to 4 lbs) | $62.70 | $60.05 | |
| Priority Mail International | Packages (Up to 70 lbs) | $43.55 | $42.14 |
| Flat Rate Envelopes (Up to 4 lbs) | $32.65 | $31.61 | |
| Small Flat Rate Boxes (Up to 4 lbs) | $33.75 | $32.66 | |
| Medium Flat Rate Boxes (Up to 20 lbs) | $61.80 | $59.69 | |
| Large Flat Rate Boxes (Up to 20 lbs) | $75.15 | $73.24 | |
| First-Class Mail International (FCMI) | Letters/Postcards (1 oz) | $1.70 | N/A |
| Flats (Up to 15.994 oz) | Varies by destination | Varies by destination | |
| First-Class Package International (FCPIS) | Lightweight Packages (Up to 4 lbs) | $19.40 | $18.48 |
| Airmail M-Bags | Printed Material (11 lbs to 66 lbs) | $84.92 (+$7.72/add. lb) | N/A |
| International Priority Airmail (IPA) | Letters & Flats (Volume) | $0.59 / piece* | $0.59 / piece* |
| Packets (Volume) | $0.41 / piece* | $0.41 / piece* | |
| International Business Reply (IBRS) | Cards (Max 2 oz) | $2.45 | N/A |
| Envelopes (Max 2 oz) | $3.05 | N/A |
Comparison Between USPS International Mailing Service Levels
| Service | Delivery Time | Tracking | Insurance | Pros | Cons | ||
| Priority Mail Express International | 3–5 business days. | It offers end-to-end tracking. | You can avail yourself of up to $100 for documents and $200 for goods and merchandise. |
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| Priority Mail International | 6–10 business days. | It offers detailed tracking depending on the destination of the package. | You can get up to $100. |
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| First-Class Package International Service (FCPIS) | 7–21 business days. | The level of scanning and updating depends on the country. | USPS does not offer insurance for these shipments. |
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| First-Class Mail International (FCMI) | Up to 21 business days. | It does not offer tracking, and you can not add it as an optional feature. | The insurance is not a part of this service. |
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| Airmail M-Bags | Varies. | This service does not offer any tracking. | You can not get any insurance for packages sent through this service. |
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| International Priority Airmail (IPA) | 4–7 business days. | It does not offer tracking. | $100 insurance is automatically added to the service. You can extend it up to $5000. |
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| International Surface Air Lift (ISAL) | 7–14 business days. | You can not track your package if you use this service. | The insurance is not a part of the service. |
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| International Business Reply Service (IBRS) | Depends on the destination country and the type of service used. | It will not track the progress of the mail. | This service does not include insurance. |
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FAQs
Do I Need to Fill Out a Customs Form for International Mail?
You must fill out a customs declaration form if you send anything other than a standard letter or postcard. USPS provides PS Form 2976 (for smaller items like First-Class Package International Service) and PS Form 2976-A (for Priority Mail International or heavier packages). Both these forms require you to declare the shipment's content, value, and purpose, and they must be attached to the package's exterior.
What Can’t I Send in International Mail?
Each country has its import restrictions and prohibitions. USPS adheres to these rules and regulations when sending international mail. Some commonly prohibited items include aerosols, perishables like fresh food, currency or coins, lithium batteries (in some countries), medications, etc. You can visit the USPS International Mail Manual to get the complete list for a specific country.
Why Is the Postage Rate Different for Each Country?
How much postage a country charges depends on the distance between the source and destination and the delivery infrastructure. Postage in some countries might be expensive due to customs handling, remote delivery areas, or security requirements. In some countries, the flat rate might vary if an extra fee, like customs duties or taxes, is applied at the destination.
Are Customs Duties and Taxes Included in the Postage Price?
USPS does not charge for customs duties and taxes since they are the recipient's responsibility. Some countries require payment upon successful delivery, and the post office will only release the package once it has received the payment.
What Is the Most Affordable Mailing Service to Send a Letter Internationally?
The USPS First-Class Mail International (FCMI) is the most economical mailing service to send standard letters and postcards worldwide. Above all, a single Global Forever® only costs $1.70. However, you don’t get any tracking feature with this service.

