He grew up in the United States, in the predominantly Dominican neighborhood of Washington Heights, in New York City, and attended Norman Thomas High School.

He also was selected to the All-Metro Atlantic Athletic Conference First Team, during his three seasons in Manhattan, and was the 2003 and 2004 recipient of the Haggerty Award, being named the top player in the NYC area - only the eighth player to win the award multiple times, in the 70+ year history of the honor.

Overseas, Flores first played in Italy, for BT Roseto (November 2005–2006), and Bipop Carire Reggio Emilia (December 2006–2007).

2008–2009 saw Flores in Israel, playing impressively for Ligat HaAl's defending champion, Hapoel Holon.

[2] After ending the season, Flores joined the Titanes del Licey of the Dominican Republic,[3] where he made the playoffs, before being eliminated in the 1st round.