An International Airport is a major airport that offers flights to and from multiple countries. These airports are equipped with customs and immigration facilities to handle international travelers. They typically have a wide range of services, including duty-free shops, restaurants, and lounges, catering to passengers from around the world. International airports serve as key hubs for airlines, connecting various cities and regions. They often feature multiple runways and terminals to accommodate large volumes of air traffic. Examples of well-known international airports include Hartsfield-Jackson Atlanta International Airport, London Heathrow Airport, and Tokyo Haneda Airport.