The average bus between Trappes and Cergy-Pontoise takes 1h 41m and the fastest bus takes 1h 25m. There is a bus service every few hours from Trappes to Cergy-Pontoise. 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 Trappes and Cergy-Pontoise. The earliest departure is at 4:59 AM at night, and the last departure from Trappes is at 8:17 PM which arrives into Cergy-Pontoise at 9:59 PM. All services require a transfer at Saint-Quentin - Souterrain quai K and take an average of 1h 41m. The schedules shown below are for the next available departures.

1h 47m • 1 change

1h 52m • 1 change

1h 43m • 1 change

1h 44m • 1 change

1h 43m • 1 change

1h 46m • 1 change

1h 40m • 1 change

1h 44m • 1 change

1h 43m • 1 change

1h 46m • 1 change

1h 40m • 1 change

1h 44m • 1 change
Want to know about travelling from Trappes to Cergy-Pontoise? 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 Cergy-Pontoise. However, there are services departing from Trappes station and arriving at Cergy-Pontoise station via Gare de Cergy Préfecture - Quai O. The journey, including transfers, takes approximately 1h 41m.
Trappes to Cergy-Pontoise bus services, operated by Saint-Quentin-en-Yvelines, depart from Saint-Quentin - Gare routière Paul Delouvrier station.
Trappes to Cergy-Pontoise bus services, operated by Saint-Quentin-en-Yvelines, arrive at Gare de Cergy Préfecture - Quai O station.
The distance between Trappes and Cergy-Pontoise is 29.8 km. The road distance is 51 km.
Lignes Île-de-France Ouest operates a bus from Saint-Quentin - Gare routière Paul Delouvrier to Gare de Cergy Préfecture - Quai O hourly, and the journey takes 1h 7m.