How much is priority mail flat rate envelope cost

The cost of a Priority Mail Flat Rate Envelope varies depending on the weight and destination of the mailpiece. Here are the current rates for Priority Mail Flat Rate Envelopes:

Domestic Rates

• Small Flat Rate Envelope (up to 1 oz): $7.50
• Medium Flat Rate Envelope (up to 13 oz): $14.35
• Large Flat Rate Envelope (up to 15 oz): $19.35

International Rates

• Small Flat Rate Envelope (up to 1 oz): $24.95
• Medium Flat Rate Envelope (up to 13 oz): $34.95
• Large Flat Rate Envelope (up to 15 oz): $44.95

Additional Fees

• Insurance: $2.75 (optional)
• Signature Confirmation: $3.10 (optional)

Weight Limitations

• Small Flat Rate Envelope: up to 1 oz
• Medium Flat Rate Envelope: up to 13 oz
• Large Flat Rate Envelope: up to 15 oz

Note: These rates are subject to change, so it's always best to check the official USPS website or consult with a postal representative for the most up-to-date information.

Keep in mind that these rates are for Priority Mail Flat Rate Envelopes only, and do not apply to other types of mail or packages.