Fusté also played eight times for Spain, scoring three goals. José Villalonga gave him his debut on 11 March 1964 in the first-leg of the European Championship quarter-final against Republic of Ireland. He scored as Spain won 5–1 and went on to help them win the competition. He also played for Spain at the World Cup in 1966 and during the group stages of the competition he scored in the 2–1 defeat against Germany.