First-Class Mail International Flats - USPS Retail | Rate Table

USPS COVID-Related Service Updates!


Updated January 19, 2022

As of January 14, 2022:

  • The USPS has suspended all international services from the United States to Hong Kong due to recent outbreaks of COVID-19.

  • The USPS has resumed some services from the United States to New Zealand.

To avoid a disruption in service to affected countries, we recommend shipping packages via UPS or GlobalPost.

Unless otherwise noted, service suspensions to a particular country do not affect delivery of military and diplomatic mail.

What is USPS First-Class Mail International Flats, Retail rates?

First-Class International

First-Class Mail International is one of USPS's premium services. It is well suited to lightweight documents.

This is an international service. International mail originates in the United States and is transported to another country. This excludes U.S. territories and military posts destinations (which are considered domestic).

Retail Rates

First-Class Mail International rates vary based on weight and destination (Country Price Group), as well as rate class.

This service uses parcel weight to determine postage costs. Costs increase as weight increases.

USPS uses Country Price Groups to calculate shipping rates for international shipments. The shipment destination determines the Country Price Group. Learn more about Country Price Groups.

Retail pricing is offered directly from the USPS at Post Office retail locations or It does not include discounts on postage prices like those received via ShippingEasy. Learn more about USPS Retail pricing.

Compare with First-Class International Flats | Retail

USPS provides a multitude of services and rate classes. Check out these similar services and rates to see how they compare:

2022 Rates: USPS First-Class Mail International Large Envelopes / Flats | Retail


Effective January 9, 2022. Learn more about 2022 rates.

First-Class Mail International Flats | Retail


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