The average bus between Poissy and Buc takes 55 min and the fastest bus takes 47 min. There is a bus service every few hours from Poissy to Buc. 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 Buc. The earliest departure is at 5:58 AM in the morning, and the last departure from Poissy is at 8:19 PM which arrives into Buc at 9:08 PM. All services require a transfer, and take on average 55 min. The schedules shown below are for the next available departures.

58 min • 1 change

58 min • 1 change

1h 3m • 1 change

1h 2m • 1 change

48 min • 1 change

51 min • 1 change

52 min • 1 change

54 min • 1 change

58 min • 1 change

58 min • 1 change

1h 6m • 1 change

1h 1m • 1 change
Want to know about travelling from Poissy to Buc? 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 Buc. However, there are services departing from Poissy station and arriving at Buc station via Europe. The journey, including transfers, takes approximately 55 min.
Poissy to Buc bus services, operated by Île-de-France Mobilités - Poissy - Les Mureaux, depart from Ursulines station.
Poissy to Buc bus services, operated by Île-de-France Mobilités - Poissy - Les Mureaux, arrive at Guichard station.
The distance between Poissy and Buc is 18.1 km. The road distance is 31 km.
You can take a bus from Ursulines to Guichard via Europe in around 52 min.