 Flachez spent one more campaign in the second division with En Avant de Guingamp, then switched to another side in that level, Valenciennes FC, which he helped promote immediately as champions.A final promotion to the top tier was achieved in 2007–08, with hometown's Grenoble Foot 38; after their subsequent relegation, he retired from football at nearly 37 and returned to first professional club Lyon, as a TV pundit for the official channel.Flachez started working as a manager in 2015, going on to spend four years at Lyon in charge of the under-19 side as well as the reserves.