The average bus between Cergy-Pontoise and Les Ulis takes 3h 17m and the fastest bus takes 2h 31m. There is a bus service every few hours from Cergy-Pontoise to Les Ulis. 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 Cergy-Pontoise and Les Ulis. The earliest departure is at 5:30 AM in the morning, and the last departure from Cergy-Pontoise is at 9:05 PM which arrives into Les Ulis at 6:49 AM. All services require a transfer at Saint-Quentin - Gare routière Paul Delouvrier and take an average of 3h 17m. The schedules shown below are for the next available departures.


2h 49m • 2 changes


2h 50m • 2 changes


2h 35m • 2 changes


2h 46m • 2 changes


2h 49m • 2 changes


2h 50m • 2 changes


2h 35m • 2 changes


2h 46m • 2 changes


2h 49m • 2 changes


2h 50m • 2 changes


2h 35m • 2 changes


2h 46m • 2 changes
Want to know about travelling from Cergy-Pontoise to Les Ulis? 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 Cergy-Pontoise to Les Ulis. However, there are services departing from Cergy-Pontoise station and arriving at Les Ulis station via Saint-Quentin - Gare routière Paul Delouvrier. The journey, including transfers, takes approximately 3h 17m.
Cergy-Pontoise to Les Ulis bus services, operated by Lignes Île-de-France Ouest, depart from Gare de Cergy Préfecture - Quai O station.
Cergy-Pontoise to Les Ulis bus services, operated by Lignes Île-de-France Ouest, arrive at Université Paris-Saclay station.
The distance between Cergy-Pontoise and Les Ulis is 40.3 km. The road distance is 73 km.
You can take a bus from Gare de Cergy Préfecture - Quai O to Mairie des Ulis - Place de la Liberté via Saint-Quentin - Gare routière Paul Delouvrier, Saint-Quentin - Gare Routière des Prés, and Université Paris-Saclay in around 2h 32m.