A shekarar 1976, Benazir Bhutto ta koma cigaba da karatu a jami'ar Oxford da ke London don neman babbar digiri. Ta kammala karatun in da ta koma Pakistan cikin watan Yuni na shekara 1977. Kodayake dai bayan kammala karatunta, Benazir Bhutto ta so ta yi aiki a ƙetare, to amma mahaifin ta ya nemi ta komo gida ta shiga siyasa domin ta tsaya takarar kujerar majalisar dokoki, sai dai kuma kash, shekarun Bhutto ba su kai na tsayawa takarar shiga majalisar ƙasa ba, don haka ne mahaifin Bhutto Zulfikar Ali Bhutto, ya umurce ta da ta taimaka masa wajen tafiyar da harkokin siyasa. An zaɓi mahaifin Bhutto a muƙamin Firaminista, to amma kuma a yayin da ta koma gida Pakistan don taimakawa mahaifinta ne sojoji suka yi masa juyin mulki.