This paper provides an in-depth analysis of the operational processes, relevant regulations, advantages, and disadvantages of international air freight. Due to its high efficiency and speed, international air freight has become the preferred choice for high-value and time-sensitive goods in global trade. The article details various stages, including cargo acceptance, booking, flight transportation, and customs clearance. It also interprets the regulations of the International Civil Aviation Organization, the International Air Transport Association, and domestic laws of various countries. Finally, the analysis focuses on the speed advantages and cost disadvantages of international air freight.