Rubuta ci gaba don wannan sakin layi - Laval ya shiga gwamnatin dama ta Gaston Doumergue a 1934, yana aiki a matsayin Ministan Masarautu sannan kuma Ministan Harkokin Waje. A shekarar 1935, ya sake zama Firayim Minista. Da yake neman dakile Jamus, Laval ya bi manufofin kasashen waje da ke da kyau ga Italiya da Tarayyar Soviet, amma yadda ya magance rikicin Abyssinia - wanda aka nuna shi a matsayin mai sasantawa da Benito Mussolini - ya sa ya yi murabus a shekarar 1936. Bayan da Faransa ta sha kaye da kuma yarjejeniyar zaman lafiya da Jamus
a 1940, Laval ya yi aiki a cikin manyan ayyuka a cikin Philippe Pétain's Vichy Regime, da farko a matsayin mataimakin shugaban majalisar ministocin daga Yuli 1940 zuwa Disamba 1940, kuma daga baya a matsayin shugaban gwamnati daga Afrilu 1942 zuwa Agusta 1944. Gwamnatin haɗin gwiwar ta ba da ma'aikatan Faransa ga Jamus kuma ta shirya fitar da Yahudawa.