How to get to CDG airport from Montparnasse train station By | November 27, 2016 | in Vote Up 0 Vote Down Answered Public Public Private Questions Anonymous asked November 27, 2016 How do I get to CDG airport from Montparnasse train station? Thank you. 1 answer Vote Up 0 Vote Down Public Ben ⋅ Staff ⋅ November 29, 2016 Take Metro 6 towards Nation until Denfert Rochereau station, transfer to RER B direction Aeroport CDG 1 / 2 #1 Please login or Register to Submit Answer Username or Email Address Password Remember Me