The average train between Chatou and Poissy takes 36 min and the fastest train takes 30 min. The train runs at least 3 times per hour from Chatou to Poissy. 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 20 minutes between Chatou and Poissy. The earliest departure is at 12:24 AM at night, and the last departure from Chatou is at 6:59 PM which arrives into Poissy at 7:34 PM. All services require a transfer, and take on average 36 min. The schedules shown below are for the next available departures.

49 min • 1 change

40 min • 1 change

36 min • 1 change

35 min • 1 change
Want to know about travelling from Chatou to Poissy? 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 Poissy. However, there are services departing from Chatou station and arriving at Poissy station via Nanterre Préfecture. The journey, including transfers, takes approximately 36 min.
Chatou to Poissy train services, operated by Réseau Express Régional (RER Paris), depart from Chatou - Croissy station.
Chatou to Poissy train services, operated by Réseau Express Régional (RER Paris), arrive at Poissy station.
The distance between Chatou and Poissy is 9.1 km. The road distance is 23 km.
You can take a train from Chatou - Croissy to Poissy via Nanterre Préfecture in around 42 min.