The average train between Orsay and Brussels takes 2h 14m and the fastest train takes 2h 6m. There is a train service every few hours from Orsay to Brussels. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Orsay and Brussels. The earliest departure is at 5:20 AM in the morning, and the last departure from Orsay is at 8:49 PM which arrives into Brussels at 11:17 PM. All services require a transfer, and take on average 2h 14m. The schedules shown below are for the next available departures.

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2h 11m • 1 changeWant to know about travelling from Orsay to Brussels? 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 train from Orsay to Brussels. However, there are services departing from Orsay - Ville station and arriving at Brussel-Zuid / Bruxelles-Midi station via Paris Nord station. The journey, including transfers, takes approximately 2h 14m.
Orsay to Brussels train services, operated by Réseau Express Régional (RER Paris), depart from Orsay - Ville station.
Orsay to Brussels train services, operated by Eurostar, arrive at Brussel-Zuid / Bruxelles-Midi station.
The distance between Orsay and Brussels is 285.5 km. The road distance is 322 km.
You can take a train from Orsay - Ville to Brussel-Zuid / Bruxelles-Midi via Paris Nord in around 2h 24m.