ACASA Flea Market of Saint-Arnoult-en-Yvelines

Over 40 editions of a major Saint-Arnoult flea market

The ACASA Flea Market is an institution in Saint-Arnoult-en-Yvelines. Organised for over four decades, it has become one of the largest bargain hunting rendezvous in southern Yvelines. Each last Saturday of September, Place Jean Moulin and the Fairground host over four hundred exhibitors. The 2026 edition is planned for Saturday 26 September.

Over 400 private and professional exhibitors

With its four hundred stalls, the ACASA Flea Market offers an impressive diversity: antique furniture, tableware, jewellery, paintings, books, vintage clothing, toys, records, tools, small furniture, decoration and curiosities.

A shopkeepers event serving local life

ACASA brings together Saint-Arnoult shopkeepers and craftsmen who work together to animate the city centre. Their annual major flea market is an opportunity to welcome a large audience.

Saint-Arnoult-en-Yvelines, historic town of southern Yvelines

Saint-Arnoult-en-Yvelines is a small town of just over 6,000 inhabitants, on the edge of Rambouillet forest and the Haute Vallée de Chevreuse Regional Natural Park.

Practical Information

Saint-Arnoult-en-Yvelines is accessible by car from Paris via the A10. Parking near the Fairground. Registration via [email protected].