The average bus between Poissy and Saclay takes 1h 23m and the fastest bus takes 55 min. There is a bus service every few hours from Poissy to Saclay. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Poissy and Saclay. The earliest departure is at 5:30 AM in the morning, and the last departure from Poissy is at 9:45 PM which arrives into Saclay at 11:22 PM. All services require a transfer at Saint-Quentin - Gare routière Paul Delouvrier and take an average of 1h 23m. The schedules shown below are for the next available departures.

1h 20m • 1 change

1h 18m • 1 change

1h 20m • 1 change

1h 14m • 1 change

55 min • 1 change

1h 21m • 1 change

1h 15m • 1 change

1h 6m • 1 change

1h 27m • 1 change

1h 22m • 1 change

1h 29m • 1 change

1h 19m • 1 change
Want to know about travelling from Poissy to Saclay? 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 bus from Poissy to Saclay. However, there are services departing from Poissy station and arriving at Saclay station via Saint-Quentin - Gare routière Paul Delouvrier. The journey, including transfers, takes approximately 1h 23m.
Poissy to Saclay bus services, operated by Lignes Île-de-France Ouest, depart from Gare Routière Nord station.
Poissy to Saclay bus services, operated by Lignes Île-de-France Ouest, arrive at Christ de Saclay station.
The distance between Poissy and Saclay is 23.8 km. The road distance is 41 km.
You can take a bus from Gare Routière Nord to Christ de Saclay via Saint-Quentin - Gare routière Paul Delouvrier and Saint-Quentin - Gare Routière des Prés in around 1h 17m.