1980 Avon Championships of Houston

The 1980 Avon Championships of Houston was a women's tennis tournament played on indoor carpet courts at the Summit in Houston, Texas in the United States that was part of the 1980 Avon Championships Circuit. It was the 10th edition of the tournament and was held from February 25 through March 2, 1980. Third-seeded Billie Jean King won the singles title and earned $30,000 first-prize money.

Singles
🇺🇸 Billie Jean King defeated 🇺🇸 Martina Navratilova 6–1, 6–3
 * It was King's 2nd title of the year and the 125th of her career.

Doubles
🇺🇸 Billie Jean King / Ilana Kloss defeated  Betty Stöve / 🇦🇺 Wendy Turnbull 3–6, 6–1, 6–4