Alamo Flea MarketOctober 29, 2016 in Texas by robl Alamo Flea Market Over 2000 vendors. Office is open Mon – Fri 8am – 5pm. Located at Caesar Chavez Rd & Expy 83. Open: Weds & Thurs, Sat & Sun daylight to dark. Location: 1602 West Expressway 83, Alamo, TX 78516 Phone: 956-781-1911