The average bus between Poissy and Trappes takes 56 min and the fastest bus takes 39 min. There is a bus service every few hours from Poissy to Trappes. 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 Poissy and Trappes. The earliest departure is at 6:06 AM in the morning, and the last departure from Poissy is at 9:41 PM which arrives into Trappes at 10:39 PM. All services require a transfer at Saint-Quentin - Gare routière Paul Delouvrier and take an average of 56 min. The schedules shown below are for the next available departures.

1h • 1 change

58 min • 1 change

58 min • 1 change

1h 2m • 1 change

39 min • 1 change

39 min • 1 change

48 min • 1 change

52 min • 1 change

39 min • 1 change

39 min • 1 change

48 min • 1 change

52 min • 1 change
Want to know about travelling from Poissy to Trappes? 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 Poissy to Trappes. However, there are services departing from Poissy station and arriving at Trappes station via Saint-Quentin - Gare routière Paul Delouvrier. The journey, including transfers, takes approximately 56 min.
Poissy to Trappes bus services, operated by Lignes Île-de-France Ouest, depart from Gare Routière Nord station.
Poissy to Trappes bus services, operated by Lignes Île-de-France Ouest, arrive at Chambre de Commerce et d'Industrie station.
The distance between Poissy and Trappes is 17.4 km. The road distance is 30 km.
You can take a bus from Gare Routière Nord to Chambre de Commerce et d'Industrie via Saint-Quentin - Gare routière Paul Delouvrier and Saint-Quentin - Souterrain quai J in around 53 min.