The average train between Chatou and Saint-Denis takes 42 min and the fastest train takes 34 min. The train runs at least 4 times per hour from Chatou to Saint-Denis. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 15 minutes between Chatou and Saint-Denis. The earliest departure is at 12:24 AM at night, and the last departure from Chatou is at 10:21 PM which arrives into Saint-Denis at 11:00 PM. All services require a transfer, and take on average 42 min. The schedules shown below are for the next available departures.

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35 min • 1 changeWant to know about travelling from Chatou to Saint-Denis? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Chatou to Saint-Denis. However, there are services departing from Chatou - Croissy station and arriving at Saint-Denis station via Châtelet - Les Halles station. The journey, including transfers, takes approximately 42 min.
Chatou to Saint-Denis train services, operated by Réseau Express Régional (RER Paris), depart from Chatou - Croissy station.
Chatou to Saint-Denis train services, operated by Société Nationale des Chemins de fer Français (SNCF), arrive at Saint-Denis station.
The distance between Chatou and Saint-Denis is 15.2 km. The road distance is 20 km.
You can take a train from Chatou - Croissy to Saint-Denis via Châtelet - Les Halles in around 39 min.