The average train between Poissy and Athis-Mons takes 1h 13m and the fastest train takes 1h. The train runs at least 2 times per hour from Poissy to Athis-Mons. 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 Poissy and Athis-Mons. The earliest departure is at 12:04 AM at night, and the last departure from Poissy is at 10:02 PM which arrives into Athis-Mons at 11:10 PM. All services require a transfer, and take on average 1h 13m. The schedules shown below are for the next available departures.

1h 5m • 1 change

1h 5m • 1 change

1h 7m • 1 change

1h 7m • 1 change

5h 18m • 1 change

1h 6m • 1 change

1h 7m • 1 change

1h 12m • 1 change
Want to know about travelling from Poissy to Athis-Mons? 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 Athis-Mons. However, there are services departing from Poissy station and arriving at Athis-Mons station via Paris Gare de Lyon. The journey, including transfers, takes approximately 1h 13m.
Poissy to Athis-Mons train services, operated by Réseau Express Régional (RER Paris), depart from Poissy station.
Poissy to Athis-Mons train services, operated by Réseau Express Régional (RER Paris), arrive at Vigneux-sur-Seine station.
The distance between Poissy and Athis-Mons is 35.3 km. The road distance is 49 km.
You can take a train from Poissy to Vigneux-sur-Seine via Paris Gare de Lyon in around 1h 7m.