The average train between Cergy and Poissy takes 33 min and the fastest train takes 27 min. The train runs at least 2 times per hour from Cergy 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 30 minutes between Cergy and Poissy. The earliest departure is at 7:21 AM in the morning, and the last departure from Cergy is at 8:41 PM which arrives into Poissy at 9:13 PM. All services require a transfer, and take on average 33 min. The schedules shown below are for the next available departures.

31 min • 1 change

34 min • 1 change

32 min • 1 change

33 min • 1 change
Want to know about travelling from Cergy 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 Cergy to Poissy. However, there are services departing from Cergy station and arriving at Poissy station via Maisons-Laffitte. The journey, including transfers, takes approximately 33 min.
Cergy to Poissy train services, operated by Réseau Express Régional (RER Paris), depart from Cergy Préfecture station.
Cergy to Poissy train services, operated by Réseau Express Régional (RER Paris), arrive at Poissy station.
The distance between Cergy and Poissy is 12.1 km. The road distance is 24 km.
You can take a train from Cergy Préfecture to Poissy via Maisons-Laffitte in around 37 min.