The average train between Saint-Quentin-en-Yvelines and Poissy takes 1h 21m and the fastest train takes 1h 6m. The train runs at least 2 times per hour from Saint-Quentin-en-Yvelines 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 every 30 minutes between Saint-Quentin-en-Yvelines and Poissy. The earliest departure is at 5:26 AM in the morning, and the last departure from Saint-Quentin-en-Yvelines is at 11:26 PM which arrives into Poissy at 12:46 AM. All services require a transfer, and take on average 1h 21m. The schedules shown below are for the next available departures.

1h 21m • 1 change

1h 21m • 1 change
Arrives next day

1h 20m • 1 change

1h 28m • 1 change

1h 18m • 1 change

1h 10m • 1 change

1h 13m • 1 change

1h 28m • 1 change

1h 18m • 1 change

1h 10m • 1 change

1h 13m • 1 change
Want to know about travelling from Saint-Quentin-en-Yvelines 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 Saint-Quentin-en-Yvelines to Poissy. However, there are services departing from Saint-Quentin-en-Yvelines station and arriving at Poissy station via La Défense. The journey, including transfers, takes approximately 1h 21m.
Saint-Quentin-en-Yvelines to Poissy train services, operated by Transilien – SNCF Voyageurs, depart from Trappes station.
Saint-Quentin-en-Yvelines to Poissy train services, operated by Transilien – SNCF Voyageurs, arrive at Poissy station.
The distance between Saint-Quentin-en-Yvelines and Poissy is 17.6 km. The road distance is 44 km.
You can take a train from Trappes to Poissy via La Défense in around 1h 7m.