Mbia scored with a back-heel in the first leg of their Europa League semi-final against compatriots Valencia CF on 24 April 2014 in a 2–0 home win. In the second leg on 1 May, he scored the winning away goal with a header in the fourth minute of added time to take Sevilla into the final. Sevilla subsequently won the final in a shootout against Benfica at the Juventus Stadium in Turin on 14 May, with Mbia converting his penalty kick after the match had ended 0—0. On 3 June, Mbia was selected in the 18-man Europa League "Team of the Year" along with teammates Ivan Rakitić, Nicolás Pareja and Beto. At the LFP Awards, he was a nominee for the league's best African player, alongside the Granada CF duo of Yacine Brahimi and Youssef El-Arabi.