The average bus between Guyancourt and Poissy takes 1h and the fastest bus takes 40 min. There is a bus service every few hours from Guyancourt 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 Guyancourt and Poissy. The earliest departure is at 12:54 AM at night, and the last departure from Guyancourt is at 8:54 PM which arrives into Poissy at 9:56 PM. All services require a transfer at Saint-Quentin - Gare Routière des Prés and take an average of 1h. The schedules shown below are for the next available departures.
Want to know about travelling from Guyancourt 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 Guyancourt to Poissy. However, there are services departing from Guyancourt station and arriving at Poissy station via Saint-Quentin - Gare Routière des Prés. The journey, including transfers, takes approximately 1h.
Guyancourt to Poissy bus services, operated by Saint-Quentin-en-Yvelines, depart from Le Château station.
Guyancourt to Poissy bus services, operated by Saint-Quentin-en-Yvelines, arrive at Gare Routière Nord station.
The distance between Guyancourt and Poissy is 17.4 km. The road distance is 30 km.
You can take a bus from Le Château to Gare Routière Nord via Saint-Quentin - Gare Routière des Prés and Saint-Quentin - Gare routière Paul Delouvrier in around 1h 12m.