The average train between Gare Montparnasse and Roissy Charles de Gaulle takes 46 min and the fastest train takes 38 min. The train runs at least 4 times per hour from Gare Montparnasse to Roissy Charles de Gaulle. 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 every 15 minutes between Gare Montparnasse and Roissy Charles de Gaulle. The earliest departure is at 9:05 AM in the morning, and the last departure from Gare Montparnasse is at 7:44 PM which arrives into Roissy Charles de Gaulle at 8:28 PM. All services require a transfer at Denfert-Rochereau and take an average of 46 min. The schedules shown below are for the next available departures.

44 min • 1 change

44 min • 1 change

45 min • 1 change

46 min • 1 change
Want to know about travelling from Gare Montparnasse to Roissy Charles de Gaulle? 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 Gare Montparnasse to Roissy Charles de Gaulle. However, there are services departing from Gare Montparnasse station and arriving at Roissy Charles de Gaulle station via Parc des Expositions. The journey, including transfers, takes approximately 46 min.
Gare Montparnasse to Roissy Charles de Gaulle train services, operated by RATP Metro, depart from Denfert-Rochereau station.
Gare Montparnasse to Roissy Charles de Gaulle train services, operated by RATP Metro, arrive at Parc des Expositions station.
The distance between Gare Montparnasse and Roissy Charles de Gaulle is 21.7 km. The road distance is 28 km.
Réseau Express Régional (RER Paris) operates a train from Denfert-Rochereau to Parc des Expositions every 15 minutes. Tickets cost €4–7 and the journey takes 37 min.