The Frenchman cemented his win in Friday's fifth and final stage.
Australian Ben O'Connor earned the stage victory, with Chris Froome finishing sixth as he prepares for the Giro d'Italia.
Remy Di Gregorio is provisionally suspended after testing positive for a banned hormone in last month's Paris-Nice.
Autopsy confirms Michael Goolaerts suffered a heart attack before crashing at Paris-Roubaix.
The 24-year-old could be out for six weeks as he recovers.
Pro cyclists undergo a battery of tests to ensure their hearts are healthy, but despite that, several young riders have died recently.
The world of pro cycling is stunned by the tragic death of Michael Goolaerts, 23, who suffered heart failure during Paris-Roubaix.
Quick-Step Floors will begin Sunday's Paris-Roubaix as the overwhelming favorites with multiple riders capable of winning.
Geraint Thomas could become Team Sky's leader at the Tour de France if Chris Froome is banned.
Spanish rider Omar Fraile wins Friday's stage 5 of the Vuelta al Pais Vasco as Primoz Roglic keeps overall lead.