Miami International Airport (IATA: MIA, ICAO: KMIA, FAA LID: MIA), also known as MIA and historically as Wilcox Field, is the primary airport serving the greater Miami metropolitan area with over 1,000 daily flights to 185 domestic and international destinations, including most countries in Latin America. The airport is in an unincorporated area in Miami-Dade County, 8 miles (13 km) west-northwest of Downtown Miami, in metropolitan Miami, adjacent to the cities of Miami and Miami Springs, and the village of Virginia Gardens. Nearby cities include Hialeah, Doral, and the Census-designated place of Fontainebleau.

In 2021, Miami International Airport became the busiest international cargo airport in the U.S. and the busiest U.S. gateway for international passengers, surpassing John F. Kennedy International Airport in New York City. As of 2021, it is the 10th busiest airport in the U.S. with 17,500,096 passengers for the year. It is Florida's busiest airport by total aircraft operations, total cargo traffic and total passenger traffic. The airport is American Airlines' third-largest hub and serves as its primary gateway to Latin America and the Caribbean. Miami also serves as a focus city for Avianca, Frontier Airlines, and LATAM, both for passengers and cargo operations.

Miami International Airport covers 1,335 hectares (3,300 acres). It is South Florida's main airport for long-haul international flights and a hub for the Southeastern United States with passenger and cargo flights to cities throughout the Americas, Europe, Africa, and Asia.