On 1 April 2009, Hoffer scored two goals for Austria in a 2–1 win over Romania in a Qualification match for the 2010 FIFA World Cup. After missing out two matches in the early 2010s, due to his lack of first team opportunities at Napoli, he made his first appearance in eight months, in a 1–0 loss against Switzerland on 11 August 2010. A month later, he scored again on 7 September 2010, in a 2–0 win over Kazakhstan. By 2012, Hoffer made 28 appearances and scoring 4 times for Austria.