United Front for Democracy Against Dictatorship
In 2009, Surapong was among United Front for Democracy Against Dictatorship supporters who signed petition for Thaksin's amnesty. Later, Surapong joined the Pheu Thai Party and was appointed deputy leader of the party in September 2010. In the 2011 general election, he was elected as 20th party-list MP for Pheu Thai Party and was appointed Minister of Foreign Affairs in Yingluck Shinawatra's government. Later, Surapong was also appointed as Deputy Prime Minister. The Yingluck government was ousted in a coup d'état on 22 May 2014.