San Salvador Layover Tour: City Sightseeing and El Boqueron National Park. Maximise your layover in San Salvador by enjoying an exhilarating 4-hour tour of the majestic volcano termed by locals as El Boquerón, or Big Mouth. Accompanied by an expert naturalist guide, depart from Monseñor Óscar Arnulfo Romero International Airport and head into the historical heart of San Salvador to see significant sights like Salvador del Mundo Square and the Metropolitan Cathedral. Then, travel to the city perimeters to marvel at the colossal mound of El Boquerón before returning to the airport well in advance of your connecting flight. Opt to experience this tour as a private excursion to receive the exclusive attention of your guide and enjoy the convenience of round-trip transportation from the airport. Book and Save 10% Off San Salvador Layover Tour: City Sightseeing and El Boqueron National Park.