The 1980 Peter Jackson Classic was contested from August 7–10 at St. George's Golf and Country Club. It was the 8th edition of the Peter Jackson Classic, and the second edition as a major championship on the LPGA Tour.
This event was won by Pat Bradley.
Final leaderboard edit
| Place | Player | Score | To par | Money (US$) |
|---|---|---|---|---|
| 1 |  Pat Bradley |
65-72-69-71=277 | −15 | 22,500 |
| 2 | JoAnne Carner |
70-68-71-69=278 | −14 | 14,700 |
| 3 | Donna Caponi |
74-69-70-67=280 | −12 | 10,500 |
| 4 | Jane Blalock |
69-70-71-71=281 | −11 | 7,500 |
| 5 | Beth Daniel |
69-72-70-72=283 | −9 | 6,000 |
| T6 | Nancy Lopez |
72-72-68-73=285 | −7 | 5,025 |
| Donna White |
69-72-69-75=285 | |||
| T8 | Dot Germain |
74-69-74-72=289 | −3 | 4,200 |
| Barbara Moxness |
72-71-73-73=289 | |||
| T10 | Amy Alcott |
78-69-73-71=291 | −1 | 3,300 |
 Sally Little |
73-74-70-74=291 | |||
| Sandra Palmer |
74-76-69-72=291 | |||
 Sandra Post |
77-73-69-72=291 |