The average train between Pontault-Combault and Poissy takes 1h 16m and the fastest train takes 1h 3m. There is an hourly train service from Pontault-Combault 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 hourly between Pontault-Combault and Poissy. The earliest departure is at 5:09 AM in the morning, and the last departure from Pontault-Combault is at 10:09 PM which arrives into Poissy at 1:13 AM. All services require a transfer, and take on average 1h 16m. The schedules shown below are for the next available departures.

1h 9m • 1 change

1h 19m • 1 change

1h 9m • 1 change

1h 19m • 1 change

1h 16m • 1 change

1h 13m • 1 change

1h 9m • 1 change

1h 19m • 1 change

1h 16m • 1 change

1h 13m • 1 change

1h 9m • 1 change

1h 19m • 1 change

1h 16m • 1 change

1h 17m • 1 change

1h 17m • 1 change

1h 16m • 1 change
Want to know about travelling from Pontault-Combault 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 Pontault-Combault to Poissy. However, there are services departing from Pontault-Combault station and arriving at Poissy station via Poissy. The journey, including transfers, takes approximately 1h 16m.
Pontault-Combault to Poissy train services, operated by Société Nationale des Chemins de fer Français (SNCF), depart from Val de Fontenay station.
Pontault-Combault to Poissy train services, operated by Société Nationale des Chemins de fer Français (SNCF), arrive at Poissy station.
The distance between Pontault-Combault and Poissy is 43.3 km. The road distance is 53 km.
Réseau Express Régional (RER Paris) operates a train from Val de Fontenay to Poissy hourly. Tickets cost €5–8 and the journey takes 47 min.