The French champions won all three of their games in America and Barcelona's 4-0 defeat to Liverpool has seen them crowned tournament winners.
Paris Saint-Germain have been named the winners of the International Champions Cup's United States and Europe competition following Barcelona's defeat to Liverpool.
Unai Emery's side won all three of their matches against Inter, Real Madrid and Leicester City, scoring 10 goals and conceding just two.
Barca went into their final clash at Wembley needing a four-goal victory to overtake PSG but instead suffered a 4-0 defeat, with Liverpool leapfrogging them into second place.
The French champions, who won this leg of the competition last season too, have now returned to Europe having played all three of their matches in the United States and take on Lyon in the French Super Cup on Saturday.
Inter take on Celtic in Limerick, Ireland, next Saturday in the tournament's final fixture and will battle to avoid finishing bottom of the group.