Getting to Saint Lazare
Getting to "Gare Montparnasse"
1. Take the shuttle of your hotel & get off at Roissypole (bus station of the airport)
2. Take the RER B to Châtelet-les-Halles.
3. From Châtelet-les-Halles, take the Metro 14 and get off at "Gare Saint Lazare".
RERb and Metro: from 9.75€
All year round.