The average bus between Saclay and Buc takes 1h 14m and the fastest bus takes 35 min. There is a bus service every few hours from Saclay 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 Saclay and Buc. The earliest departure is at 6:38 AM in the morning, and the last departure from Saclay is at 10:57 PM which arrives into Buc at 6:41 AM. All services require a transfer, and take on average 1h 14m. The schedules shown below are for the next available departures.

44 min • 1 change

42 min • 1 change

50 min • 1 change

44 min • 1 change

52 min • 1 change

43 min • 1 change

46 min • 1 change

39 min • 1 change

1h 26m • 1 change

1h 21m • 1 change

1h 21m • 1 change

58 min • 1 change
Want to know about travelling from Saclay 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 Saclay to Buc. However, there are services departing from Saclay station and arriving at Buc station via Gare de Jouy-en-Josas. The journey, including transfers, takes approximately 1h 14m.
Saclay to Buc bus services, operated by Paris-Saclay Mobilités, depart from Mairie de Saclay station.
Saclay to Buc bus services, operated by Paris-Saclay Mobilités, arrive at Lycée Franco-Allemand / Collège Martin Luther King station.
The distance between Saclay and Buc is 5.9 km. The road distance is 24 km.
You can take a bus from Mairie de Saclay to Lycée Franco-Allemand / Collège Martin Luther King via Gare de Jouy-en-Josas in around 56 min.