The average bus between Trappes and Cergy takes 1h 46m and the fastest bus takes 1h 11m. There is a bus service every few hours from Trappes to Cergy. 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. The earliest departure is at 12:57 AM at night, and the last departure from Trappes is at 8:44 PM which arrives into Cergy at 9:58 PM. All services require a transfer at Saint-Quentin - Souterrain quai K and take an average of 1h 46m. The schedules shown below are for the next available departures.

5h 34m • 1 change

1h 30m • 1 change

1h 34m • 1 change

1h 27m • 1 change

1h 11m • 1 change

1h 18m • 1 change

1h 28m • 1 change

1h 28m • 1 change

5h 33m • 1 change

1h 30m • 1 change

1h 33m • 1 change

1h 31m • 1 change
Want to know about travelling from Trappes to Cergy? 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. However, there are services departing from Trappes station and arriving at Cergy station via Gare de Cergy Préfecture - Quai O. The journey, including transfers, takes approximately 1h 46m.
Trappes to Cergy bus services, operated by Saint-Quentin-en-Yvelines, depart from Saint-Quentin - Gare routière Paul Delouvrier station.
Trappes to Cergy bus services, operated by Saint-Quentin-en-Yvelines, arrive at Gare de Cergy Préfecture - Quai O station.
The distance between Trappes and Cergy is 29.5 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 8m.