The average bus between Buc and Poissy takes 55 min and the fastest bus takes 43 min. There is a bus service every few hours from Buc 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 Buc and Poissy. The earliest departure is at 6:11 AM in the morning, and the last departure from Buc is at 9:01 PM which arrives into Poissy at 9:54 PM. All services require a transfer, and take on average 55 min. The schedules shown below are for the next available departures.

53 min • 1 change

57 min • 1 change

59 min • 1 change

57 min • 1 change

43 min • 1 change

59 min • 1 change

59 min • 1 change

1h 1m • 1 change

53 min • 1 change

49 min • 1 change

1h 1m • 1 change

57 min • 1 change
Want to know about travelling from Buc 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 Buc to Poissy. However, there are services departing from Buc station and arriving at Poissy station via Europe. The journey, including transfers, takes approximately 55 min.
Buc to Poissy bus services, operated by Grand Versailles, depart from Guichard station.
Buc to Poissy bus services, operated by Grand Versailles, arrive at Le Cep station.
The distance between Buc and Poissy is 18.1 km. The road distance is 29 km.
You can take a bus from Guichard to Le Cep via Europe in around 1h 21m.