El Salvador International Airport Saint Óscar Arnulfo Romero y Galdámez (Spanish: Aeropuerto Internacional de El Salvador San Óscar Arnulfo Romero y Galdámez), (IATA: SAL, ICAO: MSLP), previously known as Comalapa International Airport (Aeropuerto Internacional de Comalapa) and as Comalapa Air Base (Base Aérea de Comalapa) to the military, is a joint-use civilian and military airport that serves San Salvador, El Salvador. It is located in the south central area of the country, in the city of San Luis Talpa, Department of La Paz, and occupies a triangular plain of 2,519.8 acres (1,019.7 ha), which borders the Pacific Ocean to the south, is bordered to the east by the Jiboa River, and to the northwest by the coastal highway. Being close to sea level, it allows aircraft to operate efficiently at maximum capacity. It is connected to the capital of San Salvador, El Salvador, through a modern four-lane motorway, with 42 kilometres (26 mi) travel in an average time of 30 minutes.

It is the third of Central America in movement of passengers with 3,411,015 annually, counted without methodology, suggested by International Civil Aviation Organization (ICAO). It is classified as category 1 by the Federal Aviation Administration of the United States (FAA) and is certified by the Civil Aviation Authority (CAA), being the first in the isthmus to achieve these certifications. In the Skytrax World Airport Awards 2015, it was recognized as the third best airport in Central America and the Caribbean. According to the World Economic Forum, it is the second in the region with the most competitive infrastructure, achieving a score of 4.8 – 7.0 being the highest score – exceeded only by Panama (6.2). In addition, ICAO recognizes it as one of the airports with the best security standards in the continent, only exceeded by airports in the United States and Canada.