The average bus between Guyancourt and Pontoise takes 1h 58m and the fastest bus takes 1h 46m. There is a bus service every few hours from Guyancourt to 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 Guyancourt and Pontoise. The earliest departure is at 5:12 AM in the morning, and the last departure from Guyancourt is at 8:36 PM which arrives into Pontoise at 10:40 PM. All services require a transfer at Saint-Quentin - Gare Routière des Prés and take an average of 1h 58m. The schedules shown below are for the next available departures.


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1h 50m • 2 changesWant to know about travelling from Guyancourt to 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 Guyancourt to Pontoise. However, there are services departing from Saint-Quentin - Gare routière Paul Delouvrier station and arriving at Gare de Cergy Préfecture - Quai O station via Gare de Cergy Préfecture - Quai O station. The journey, including transfers, takes approximately 1h 58m.
Guyancourt to Pontoise bus services, operated by Lignes Île-de-France Ouest, depart from Saint-Quentin - Gare routière Paul Delouvrier station.
Guyancourt to Pontoise bus services, operated by Lignes Île-de-France Ouest, arrive at Gare de Cergy Préfecture - Quai O station.
The distance between Guyancourt and Pontoise is 30.8 km. The road distance is 40 km.
Lignes Île-de-France Ouest operates a bus from Saint-Quentin - Gare routière Paul Delouvrier to Gare de Cergy Préfecture - Quai O hourly. Tickets cost €2–3 and the journey takes 1h 8m.