Mailing a Letter from Arizona to China: USPS Rates & Options (2024)
Sending a letter from Arizona (or any U.S. state) to China via USPS is straightforward. Rates below are effective January 2024—always verify at usps.com before mailing.
First-Class Mail International (Letters & Flats ≤ 15.99 oz)
| Weight | Price |
| 1 oz (28 g) | $1.65 |
| 2 oz | $2.07 |
| 3 oz | $2.49 |
| 3.5 oz (max for letter rate) | $2.70 |
| Flats (large envelopes) up to 15.99 oz | Starts at $3.10 |
No tracking included. Delivery: 10–20 business days (highly variable).
First-Class Package International (Tracking Included)
- Up to 8 oz: ~$15–$20
- 8–15.99 oz: ~$22–$28
- Tracking to delivery in most areas
Flat-Rate Options (Boxes/Envelopes)
- Flat Rate Envelope: $30.95 (up to 4 lbs, tracking included)
- Small Flat Rate Box: $32.95
- Medium/Large Flat Rate Boxes: $55.95 / $77.95
Faster Services
- Priority Mail International: 6–10 business days, tracking, starts ~$33
- Priority Mail Express International: 3–5 business days, guaranteed, starts ~$55
- Global Forever Stamp: $1.65 (covers 1 oz letter forever, even if rates rise)
Pro Tips
- Use Global Forever stamps for simplicity
- Complete customs form (PS Form 2976 or 2976-A) accurately
- No cash, coins, lithium batteries, perishables, prohibited items
- Print address in Roman characters + Chinese characters if possible
- Drop at Post Office counter (not lobby drop) for proof of acceptance
For a standard 1-oz letter: one Global Forever stamp ($1.65) gets it there.