The list of the top cities to visit in France that aren’t Paris begins with Lille and goes all the way south to Nice: Mon dieu, there’s a lot of France that isn’t Paris! Paris can be cold (both climatologically and interpersonally), it’s expensive, the weather’s terrible — yes, it’s beautiful, but so is Lyon! And Lyon’s cheaper, friendlier, and both sunnier and snowier!
So what are the best flea markets in France? The French take their flea markets very, very seriously, and these events are hugely popular. Plan in advance for accommodations or risk staying out of town.