The average bus between Trappes and Montesson takes 3h 48m and the fastest bus takes 1h 34m. The bus service runs several times per day from Trappes to Montesson. 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 3 times a day between Trappes and Montesson. The earliest departure is at 5:38 AM in the morning, and the last departure from Trappes is at 8:46 PM which arrives into Montesson at 6:10 AM. All services require a transfer at Saint-Quentin - Souterrain quai K and take an average of 3h 48m. The schedules shown below are for the next available departures.



2h 9m • 3 changes



1h 39m • 3 changes



2h 9m • 3 changes



2h 10m • 3 changes
Want to know about travelling from Trappes to Montesson? 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 Trappes to Montesson. However, there are services departing from Trappes station and arriving at Montesson station via Gare Routière Nord. The journey, including transfers, takes approximately 3h 48m.
Trappes to Montesson bus services, operated by Saint-Quentin-en-Yvelines, depart from Saint-Quentin - Gare routière Paul Delouvrier station.
Trappes to Montesson bus services, operated by Saint-Quentin-en-Yvelines, arrive at Sartrouville station.
The distance between Trappes and Montesson is 17.4 km. The road distance is 47 km.
You can take a bus from Chambre de Commerce et d'Industrie to Cimetière via Saint-Quentin - Souterrain quai K, Saint-Quentin - Gare routière Paul Delouvrier, Gare Routière Nord, Poissy, Sartrouville, and Gare de Sartrouville in around 2h 3m.