El Salvador International Airport is served by 20 airlines, flying from/to 30 destinationsLongest flight from El Salvador International Airport is Santa Clara to 🇪🇸 Madrid (MAD), which takes around 10 hours and 20 minutes. On an airline like IBERIA. More info on this flight route (SAL-MAD).Shortest flight from El Salvador International Airport is Santa Clara to 🇬🇹 Guatemala City (GUA), which takes around 50 minutes. On an airline like Avianca. More info on this flight route (SAL-GUA).