 In 2005, he played once for the Welsh under–19s before making his debut with the under-21 side in 2007.In March 2009, Eardley played in Wales under–21s' opening two games in qualifying for the 2011 European Championships, both against Luxembourg under–21s.The first game, on 27 March, was a 0–0 draw at Deich, Ettelbruck, then four days later he scored the first goal, from a penalty kick, in a 5–1 win at Parc y Scarlets, Llanelli.