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.

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

• Golf Observer source

43°40′30″N 79°31′52″W / 43.675°N 79.531°W / 43.675; -79.531