Westheimer Flea MarketOctober 29, 2016 in Texas by robl Westheimer Flea Market Over 3500 vendors and over 60,000 visitors per weekend! Over 160 acres, Free Admission, $3 for parking. Open: 7 days a week 10am – 5:30pm. Location: 1735 Westheimer Rd, Houston, TX 77098 713-874-0773 Phone: 713-874-0773