FSX – Scenery Brownsville Texas Photoreal. IATA: BRO, ICAO: KBRO, FAA LID: BRO. Brownsville/South Padre Island International Airport is a city-owned public-use airport located four nautical miles east of Brownsville, Texas (TX), USA. The airport is served by four commercial airlines, six air taxis and offers three FBOs for general aviation. It is a convenient airport for flying into the Rio Grande Valley and Northern Mexico. The National Weather Service forecast office for Deep South Texas is located on the airport grounds. By Fernando Angel Gonzalez.