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

As of September 3, 2021, USPS has temporarily suspended First Class Package International shipments to Australia. To avoid disruption, use Priority Mail International or GlobalPost Standard to ship your packages.

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

First-Class Mail International

First-Class Mail International is one of USPS's premium services. It is well suited to light weight documents. Learn more about USPS First-Class Mail International.

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 USPS.com. It does not include discounts on postage prices like those received via ShippingEasy. Learn more about USPS Retail pricing.

USPS rates change January 24, 2021. Learn more about 2021 rates.
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:

Compare 2020 Rates: USPS First-Class Mail International Flats | Retail

FIRST-CLASS MAIL INTERNATIONAL | RETAIL

LARGE ENVELOPE / FLATS

Weight Not Over
(Ounces)

Prices by Country Group

1 2 3 - 5 6 - 9
1 2.40 2.40 2.40 2.40
2 2.63 3.12 3.39 3.34
3 2.85 3.82 4.37 4.26
4 3.06 4.54 5.36 5.19
5 3.28 5.25 6.34 6.12
6 3.50 5.95 7.32 7.05
7 3.72 6.67 8.31 7.98
8 3.94 7.38 9.29 8.90
12 5.03 8.90 11.26 10.83
15.999 6.12 10.44 13.23 12.74

2021 Rates: USPS First-Class Mail International Flats | Retail

Effective August 29th, 2021.
FIRST-CLASS MAIL INTERNATIONAL | RETAIL

LARGE ENVELOPE / FLATS

Weight Not Over
(Ounces)

Prices by Country Group

1 2 3 - 5 6 - 9
1 2.60 2.60 2.60 2.60
2 2.85 3.38 3.67 3.62
3 3.09 4.14 4.73 4.61
4 3.31 4.92 5.81 5.62
5 3.55 5.69 6.87 6.63
6 3.79 6.45 7.93 7.64
7 4.03 7.23 9.00 8.64
8 4.27 7.99 10.06 9.64
12 5.45 9.64 12.2 11.73
15.999 6.63 11.31 14.33 13.80

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