The average bus between Cergy and Saclay takes 1h 58m and the fastest bus takes 1h 38m. There is a bus service every few hours from Cergy to Saclay. 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 and Saclay. The earliest departure is at 5:30 AM in the morning, and the last departure from Cergy is at 9:05 PM which arrives into Saclay at 11:01 PM. All services require a transfer at Saint-Quentin - Gare routière Paul Delouvrier and take an average of 1h 58m. The schedules shown below are for the next available departures.

1h 47m • 1 change

2h • 1 change

2h 12m • 1 change

2h 18m • 1 change

1h 47m • 1 change

2h • 1 change

2h 12m • 1 change

2h 18m • 1 change

1h 47m • 1 change

2h • 1 change

2h 12m • 1 change

2h 18m • 1 change
Want to know about travelling from Cergy to Saclay? 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 to Saclay. However, there are services departing from Cergy station and arriving at Saclay station via Saint-Quentin - Gare routière Paul Delouvrier. The journey, including transfers, takes approximately 1h 58m.
Cergy to Saclay bus services, operated by Lignes Île-de-France Ouest, depart from Gare de Cergy Préfecture - Quai O station.
Cergy to Saclay bus services, operated by Lignes Île-de-France Ouest, arrive at La Martinière station.
The distance between Cergy and Saclay is 34.7 km. The road distance is 62 km.
You can take a bus from Gare de Cergy Préfecture - Quai O to La Martinière via Saint-Quentin - Gare routière Paul Delouvrier and Saint-Quentin - Gare Routière des Prés in around 2h 9m.