The average train between Poissy and Cergy takes 30 min and the fastest train takes 26 min. The train runs at least 3 times per hour from Poissy to Cergy. 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 Poissy and Cergy. The earliest departure is at 12:04 AM at night, and the last departure from Poissy is at 11:32 PM which arrives into Cergy at 12:04 AM. All services require a transfer, and take on average 30 min. The schedules shown below are for the next available departures.

38 min • 1 change

37 min • 1 change

38 min • 1 change

38 min • 1 change
Want to know about travelling from Poissy to Cergy? 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 Poissy to Cergy. However, there are services departing from Poissy station and arriving at Cergy station via Maisons-Laffitte. The journey, including transfers, takes approximately 30 min.
Poissy to Cergy train services, operated by Réseau Express Régional (RER Paris), depart from Poissy station.
Poissy to Cergy train services, operated by Réseau Express Régional (RER Paris), arrive at Cergy Préfecture station.
The distance between Poissy and Cergy is 12.1 km. The road distance is 24 km.
You can take a train from Poissy to Cergy Préfecture via Maisons-Laffitte in around 30 min.