The average train between Poissy and Pontault-Combault takes 1h 14m and the fastest train takes 1h 2m. The train runs at least 2 times per hour from Poissy to Pontault-Combault. 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 Pontault-Combault. The earliest departure is at 5:09 AM in the morning, and the last departure from Poissy is at 9:32 PM which arrives into Pontault-Combault at 10:45 PM. All services require a transfer, and take on average 1h 14m. The schedules shown below are for the next available departures.

1h 10m • 1 change

1h 5m • 1 change

1h 11m • 1 change

1h 5m • 1 change

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1h 11m • 1 change

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Want to know about travelling from Poissy to Pontault-Combault? 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 Pontault-Combault. However, there are services departing from Poissy station and arriving at Pontault-Combault station via La Défense. The journey, including transfers, takes approximately 1h 14m.
Poissy to Pontault-Combault train services, operated by Réseau Express Régional (RER Paris), depart from Poissy station.
Poissy to Pontault-Combault train services, operated by Réseau Express Régional (RER Paris), arrive at Émerainville - Pontault-Combault station.
The distance between Poissy and Pontault-Combault is 43.3 km. The road distance is 56 km.
You can take a train from Poissy to Émerainville - Pontault-Combault via La Défense in around 1h 26m.