Harlingen to San Salvador (San Luis Talpa) (HRL–SAL) — Airlines, Schedules & Connections

US passport holders enter El Salvador visa-free for up to 90 days. No advance application is needed. El Salvador is part of the CA-4 agreement with Guatemala, Honduras, and Nicaragua, meaning the 90-day period is shared across all four countries. Passport must be valid for at least 6 months beyond the date of entry. At El Salvador International Airport (SAL) in San Salvador, immigration stamps your passport. A $12 tourist card fee is included in your airline ticket.

The 90-day CA-4 clock starts when you enter any of the four member countries and does not reset when crossing borders between them. El Salvador is the smallest and most densely populated country in Central America. El Tunco and El Zonte on the Pacific coast are the main surf beaches. Ruta de las Flores, a route through five mountain towns in the western highlands, passes coffee farms, waterfalls, and weekend food markets. El Salvador adopted the US dollar as its official currency in 2001 and also recognizes Bitcoin as legal tender since 2021.

Direct flights from Miami (MIA) to San Salvador run about 3 hours on Avianca and Spirit. Houston (IAH) to SAL runs about 3 hours 30 minutes on United. Los Angeles, Dallas, and Washington Dulles also have nonstop service. Since El Salvador uses the US dollar, there is no currency exchange needed. ATMs dispense US dollars. Card payments work at hotels, restaurants, and larger shops. Bitcoin acceptance varies: the government Chivo wallet and ATMs exist but cash dollars remain the everyday standard. Local buses cost $0.20 to $0.35 per ride. Uber operates in San Salvador.