The average train between Poissy and Massy takes 1h 13m and the fastest train takes 1h 1m. The train runs at least 3 times per hour from Poissy to Massy. 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 Massy. The earliest departure is at 5:39 AM in the morning, and the last departure from Poissy is at 7:39 PM which arrives into Massy at 9:02 PM. All services require a transfer, and take on average 1h 13m. The schedules shown below are for the next available departures.

1h 16m • 1 change

1h 11m • 1 change

1h 13m • 1 change

1h 12m • 1 change
Want to know about travelling from Poissy to Massy? 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 Massy. However, there are services departing from Poissy station and arriving at Massy station via Châtelet - Les Halles. The journey, including transfers, takes approximately 1h 13m.
Poissy to Massy train services, operated by Réseau Express Régional (RER Paris), depart from Poissy station.
Poissy to Massy train services, operated by Réseau Express Régional (RER Paris), arrive at Massy - Verrières station.
The distance between Poissy and Massy is 28.2 km. The road distance is 44 km.
You can take a train from Poissy to Massy - Verrières via Châtelet - Les Halles in around 1h 14m.