Priority mail international shipping time depends on the destination country and the service selected. USPS Priority Mail International typically delivers within 6 to 10 business days, but delivery times can vary depending on factors such as customs processing and weather conditions. This service is popular for international shipping due to its affordability and reliability. Priority Mail International includes tracking and insurance, making it a secure option for sending packages abroad. It is suitable for sending documents, gifts, and small parcels and offers a range of international destinations.