The 1999 Westel 900 Budapest Open was a women's tennis tournament played on outdoor clay courts in Budapest in Hungary that was part of Tier IVa of the 1999 WTA Tour.

It was the fourth edition of the tournament and was held from 19 April until 25 April 1999.

Seventh-seeded Sarah Pitkowski won the singles title and earned $22,000 first-prize money.

Sarah Pitkowski defeated Cristina Torrens Valero, 6–2, 6–2 Evgenia Kulikovskaya / Sandra Načuk defeated Laura Montalvo / Virginia Ruano Pascual, 6–3, 6–4 The following players received wildcards into the doubles main draw: The following players received entry from the singles qualifying draw: The following player received entry as a lucky loser: