Vueling S.A. is a Spanish low-cost airline based at El Prat de Llobregat in Greater Barcelona with hubs at Barcelona–El Prat Airport (main) and Leonardo da Vinci–Fiumicino Airport in Rome, Italy (secondary). It is the largest airline in Spain, measured by fleet size and a number of destinations. As of 2021, Vueling serves 122 destinations in Africa, Asia, Europe and the Middle East, and carried more than 34 million passengers in 2019. Since 2013, it has been an operating company of International Airlines Group, the parent company of British Airways and Iberia.