The average bus between Les Ulis and Boulogne-Billancourt takes 46 min and the fastest bus takes 37 min. There is a bus service every few hours from Les Ulis to Boulogne-Billancourt. 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 Les Ulis and Boulogne-Billancourt. The earliest departure is at 6:00 AM in the morning, and the last departure from Les Ulis is at 7:32 PM which arrives into Boulogne-Billancourt at 8:11 PM. All services require a transfer, and take on average 46 min. The schedules shown below are for the next available departures.

47 min • 1 change

45 min • 1 change

43 min • 1 change

40 min • 1 change

49 min • 1 change

41 min • 1 change

47 min • 1 change

51 min • 1 change

40 min • 1 change

47 min • 1 change

49 min • 1 change

53 min • 1 change

40 min • 1 change

47 min • 1 change

49 min • 1 change

53 min • 1 change
Want to know about travelling from Les Ulis to Boulogne-Billancourt? 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 Les Ulis to Boulogne-Billancourt. However, there are services departing from Les Ulis station and arriving at Boulogne-Billancourt station via Vélizy 2. The journey, including transfers, takes approximately 46 min.
Les Ulis to Boulogne-Billancourt bus services, operated by Paris-Saclay Mobilités, depart from Mairie des Ulis - Place de la Liberté station.
Les Ulis to Boulogne-Billancourt bus services, operated by Paris-Saclay Mobilités, arrive at Pont de Sèvres station.
The distance between Les Ulis and Boulogne-Billancourt is 17.9 km. The road distance is 26 km.
You can take a bus from Mairie des Ulis - Place de la Liberté to Pont de Sèvres via Vélizy 2 in around 42 min.