The average bus between Issy - Val de Seine RER and Trappes takes 1h 21m and the fastest bus takes 1h 2m. There is a bus service every few hours from Issy - Val de Seine RER 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 Issy - Val de Seine RER and Trappes. The earliest departure is at 6:15 AM in the morning, and the last departure from Issy - Val de Seine RER is at 8:40 PM which arrives into Trappes at 10:09 PM. All services require a transfer at Pavé Blanc and take an average of 1h 21m. The schedules shown below are for the next available departures.


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1h 15m • 2 changesWant to know about travelling from Issy - Val de Seine RER 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 Issy - Val de Seine RER to Trappes. However, there are services departing from Issy - Val de Seine station and arriving at Saint-Quentin - Gare P. Delouvrier W station via Pavé Blanc station. The journey, including transfers, takes approximately 1h 21m.
Issy - Val de Seine RER to Trappes bus services, operated by Île-de-France Mobilités - Croix du Sud, depart from Issy - Val de Seine station.
Issy - Val de Seine RER to Trappes bus services, operated by Lignes Île-de-France Ouest, arrive at Saint-Quentin - Gare P. Delouvrier W station.
The distance between Issy - Val de Seine RER and Trappes is 19.1 km. The road distance is 24 km.
You can take a bus from Issy - Val de Seine to Chambre de Commerce et d'Industrie via Pavé Blanc, Saint-Quentin - Gare P. Delouvrier W, and Saint-Quentin - Souterrain quai J in around 1h 41m.