The average train between Massy and Poissy takes 1h 16m and the fastest train takes 1h 6m. There is an hourly train service from Massy 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 Massy and Poissy. The earliest departure is at 5:09 AM in the morning, and the last departure from Massy is at 10:19 PM which arrives into Poissy at 11:47 PM. All services require a transfer, and take on average 1h 16m. The schedules shown below are for the next available departures.

1h 15m • 1 change

1h 21m • 1 change

1h 19m • 1 change

1h 17m • 1 change
Want to know about travelling from Massy 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 Massy to Poissy. However, there are services departing from Massy station and arriving at Poissy station via Châtelet - Les Halles. The journey, including transfers, takes approximately 1h 16m.
Massy to Poissy train services, operated by Réseau Express Régional (RER Paris), depart from Massy - Verrières station.
Massy to Poissy train services, operated by Réseau Express Régional (RER Paris), arrive at Poissy station.
The distance between Massy and Poissy is 28.2 km. The road distance is 44 km.
You can take a train from Massy - Verrières to Poissy via Châtelet - Les Halles in around 1h 18m.