Go c paris Shuttle bus & RER C train from Orly Airport to Paris
GO C Paris ,for connecting Orly Airport to Paris.
The following tickets are accepted to use the shuttle:
You walk across to the small station platform.
From here take RER trains with Pontoise, Versailles, or Saint-Quentin-en-Yvelines as final destination.
These line trains make several stops in central Paris, including Gare d’Austerlitz , Saint-Michel-Notre-Dame , Invalides and finally Champ de Mars - Tour Eiffel where you can change on to the metro system.
The first RER C trains from here is at 5.00am and the last train leaves at 11.30pm