The Montreuil flea market in Paris is certainly off the beaten track for tourists.
The marché de Montreuil is a lot calmer than many parisian markets. Known for its clothes, you can find unique designs from vintage works of Yves Saint Laurent and Chanel to 1 euro second-hand finds.
Marché aux puces de la Porte de Montreuil
Avenue du Professeur André Lemierre, 75020 París
Saturday, Sunday and Monday: 7.00 to 19.30
Closest metro: Porte de Montreuil