The average bus between Saint-Germain-en-Laye and Boulogne-Billancourt takes 1h 20m and the fastest bus takes 54 min. The bus runs at least 2 times per hour from Saint-Germain-en-Laye 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 every 30 minutes between Saint-Germain-en-Laye and Boulogne-Billancourt. The earliest departure is at 1:30 AM at night, and the last departure from Saint-Germain-en-Laye is at 8:50 PM which arrives into Boulogne-Billancourt at 9:50 PM. All services require a transfer at Rueil-Malmaison and take an average of 1h 20m. The schedules shown below are for the next available departures.

4h 14m • 1 change

59 min • 1 change

59 min • 1 change

59 min • 1 change
Want to know about travelling from Saint-Germain-en-Laye 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 Saint-Germain-en-Laye to Boulogne-Billancourt. However, there are services departing from Saint-Germain-en-Laye station and arriving at Boulogne-Billancourt station via Stade. The journey, including transfers, takes approximately 1h 20m.
Saint-Germain-en-Laye to Boulogne-Billancourt bus services, operated by Réseau de bus Défense et Saint-Cloud, depart from Rueil-Malmaison RER station.
Saint-Germain-en-Laye to Boulogne-Billancourt bus services, operated by Réseau de bus Défense et Saint-Cloud, arrive at Stade station.
The distance between Saint-Germain-en-Laye and Boulogne-Billancourt is 13 km. The road distance is 20 km.
Réseau de bus Défense et Saint-Cloud operates a bus from Rueil-Malmaison RER to Stade every 20 minutes, and the journey takes 47 min.