Stamp Prices 2024 Increase Usa. Stamp prices will rise to 68 cents this weekend — the fifth hike in less than three years. Postal service filed notice with the postal regulatory commission of mailing services price changes to take effect july 14, 2024.
Here’s a summary of the key changes that took effect: The cost of stamps for international letters and postcards will increase by 5 cents, from $1.50 to $1.55.