In 1994, he returned to the United States and played in the 1994 World Cup and after played for the Los Angeles Salsa of the American Professional Soccer League. Hugo played with the Salsa while negotiating a contract with C.D FAS. The Salsa folded at the end of the 1994 season and Pérez made his last move, to Primera División de Fútbol de El Salvador club C.D. FAS, commonly known as C.D. FAS. In both of Pérez' years with the club, 1994–1995 and 1995–1996, C.D. FAS won the El Salvador championship. He retired in 1996 from professional soccer.