5 Busiest Airports in the US by International Passenger Traffic

2. Miami International Airport

International Passengers: 20.63 Million

Miami International Airport, the primary airport serving the greater Miami metropolitan area, ranks second on our list of busiest airports in the US by international passenger traffic. While the airport also offers flights to cities throughout Europe, Africa, and Asia, it offers more flights to Latin America and the Caribbean than any other airport in the US. Miami International Airport served more than 20.63 million international passengers for the year ending in June 2023.