The average bus between Boulogne-Billancourt and Saint-Germain-en-Laye takes 1h 21m and the fastest bus takes 1h 7m. The bus runs at least 2 times per hour from Boulogne-Billancourt to Saint-Germain-en-Laye. 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 Boulogne-Billancourt and Saint-Germain-en-Laye. The earliest departure is at 7:04 AM in the morning, and the last departure from Boulogne-Billancourt is at 9:34 PM which arrives into Saint-Germain-en-Laye at 10:41 PM. All services require a transfer at Rueil-Malmaison RER and take an average of 1h 21m. The schedules shown below are for the next available departures.

1h 18m • 1 change

1h 19m • 1 change

1h 19m • 1 change

1h 23m • 1 change
Want to know about travelling from Boulogne-Billancourt to Saint-Germain-en-Laye? 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 Boulogne-Billancourt to Saint-Germain-en-Laye. However, there are services departing from Boulogne-Billancourt station and arriving at Saint-Germain-en-Laye station via Rueil-Malmaison RER. The journey, including transfers, takes approximately 1h 21m.
Boulogne-Billancourt to Saint-Germain-en-Laye bus services, operated by Réseau de bus Défense et Saint-Cloud, depart from Stade station.
Boulogne-Billancourt to Saint-Germain-en-Laye bus services, operated by Réseau de bus Défense et Saint-Cloud, arrive at Rueil-Malmaison RER station.
The distance between Boulogne-Billancourt and Saint-Germain-en-Laye is 13 km. The road distance is 20 km.
Réseau de bus Défense et Saint-Cloud operates a bus from Stade to Rueil-Malmaison RER every 20 minutes, and the journey takes 47 min.