On 16 June 2014, Vidal signed with Sevilla FC for a €3 million fee, penning a four-year contract. He made his competitive debut on 12 August in the 2014 UEFA Super Cup at the Cardiff City Stadium, playing 66 minutes before being substituted for fellow debutant Iago Aspas in a 0–2 loss to Real Madrid. He found the net on his league debut 11 days later, opening the 1–1 home draw against Valencia CF.