 Aron made his first appearance for the United States in their 4–3 friendly victory over Bosnia and Herzegovina in Sarajevo the next day, coming on for Eddie Johnson in the 63rd minute.In the final World Cup qualifying game against Panama on October 15, 2013, he scored his first goal in the final minute, securing a 3–2 win.He was included on Klinsmann's 23-man squad for the 2014 FIFA World Cup, coming on for an injured Jozy Altidore in the 23rd minute of the opening game against Ghana for his tournament debut.