The average bus between Cesson and Orsay takes 2h 10m and the fastest bus takes 1h 41m. There is an hourly bus service from Cesson to Orsay. 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 Cesson and Orsay. The earliest departure is at 4:50 AM at night, and the last departure from Cesson is at 10:02 PM which arrives into Orsay at 6:28 AM. All services require a transfer at Carré Trait d'Union and take an average of 2h 10m. The schedules shown below are for the next available departures.


1h 49m • 2 changes


1h 45m • 2 changes


1h 45m • 2 changes


1h 47m • 2 changes


2h 14m • 2 changes


2h 3m • 2 changes


2h 3m • 2 changes


2h 10m • 2 changes


1h 44m • 2 changes


1h 42m • 2 changes


1h 42m • 2 changes


1h 44m • 2 changes
Want to know about travelling from Cesson to Orsay? 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 Cesson to Orsay. However, there are services departing from Cesson station and arriving at Orsay station via Carré Trait d'Union. The journey, including transfers, takes approximately 2h 10m.
Cesson to Orsay bus services, operated by Île-de-France Mobilités - Sénart, depart from Cesson Gare station.
Cesson to Orsay bus services, operated by Île-de-France Mobilités - Sénart, arrive at Rond-Point de Mondétour station.
The distance between Cesson and Orsay is 33.9 km. The road distance is 61 km.
You can take a bus from Cesson Gare to Rond-Point de Mondétour via Carré Trait d'Union, Le Bras de Fer, and Bras de Fer in around 2h 1m.