The average bus between Saclay and Poissy takes 2h 3m and the fastest bus takes 1h 11m. There is a bus service every few hours from Saclay 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.
Buses run hourly between Saclay and Poissy. The earliest departure is at 5:42 AM in the morning, and the last departure from Saclay is at 10:30 PM which arrives into Poissy at 6:16 AM. All services require a transfer at Saint-Quentin - Gare Routière des Prés and take an average of 2h 3m. The schedules shown below are for the next available departures.

1h 18m • 1 change

1h 18m • 1 change

1h 23m • 1 change

1h 18m • 1 change

1h 52m • 1 change

1h 48m • 1 change

1h 48m • 1 change

1h 49m • 1 change

1h 11m • 1 change

1h 16m • 1 change

1h 16m • 1 change

1h 21m • 1 change
Want to know about travelling from Saclay 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 bus from Saclay to Poissy. However, there are services departing from Saclay station and arriving at Poissy station via Saint-Quentin - Gare Routière des Prés. The journey, including transfers, takes approximately 2h 3m.
Saclay to Poissy bus services, operated by Lignes Île-de-France Ouest, depart from La Martinière station.
Saclay to Poissy bus services, operated by Lignes Île-de-France Ouest, arrive at Gare Routière Nord station.
The distance between Saclay and Poissy is 23.8 km. The road distance is 41 km.
You can take a bus from La Martinière to Gare Routière Nord via Saint-Quentin - Gare Routière des Prés and Saint-Quentin - Gare routière Paul Delouvrier in around 1h 31m.