According to the USPS, the cost to send a standard 1-ounce letter from the US to China is $1.40. For letters weighing more than 1 ounce, the rate increases by $0.21 for each additional ounce.
In addition to the postage rate, there may also be additional fees for special services, such as tracking or insurance.
The USPS also offers a variety of flat-rate options for sending packages. For example, the USPS offers a flat-rate envelope that costs $13.50 to send to China. This envelope can hold up to 4 pounds of documents or other materials.
For more information on the cost to send a letter from Arizona to China, please visit the USPS website.
