Travelers are voting Cataratas del Iguazu Intl. Airport as the best airport in Puerto Iguazu. There is 1 airport in Posadas a city just 145 km from Puerto Iguazu. The most popular of these is Posadas Libertador General Jose de San Martin Airport in Posadas. You can find 2 airports in Misiones and 46 airports in the country of Argentina. Our members favorite in Misiones is Cataratas del Iguazu Intl. Airport and Ushuaia-Malvinas Argentinas International Airport is the top pick in Argentina. Want more? Check out our map of airports in Puerto Iguazu.