The average train between La Défense and Athis-Mons takes 43 min and the fastest train takes 36 min. The train runs at least 4 times per hour from La Défense to Athis-Mons. 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 La Défense and Athis-Mons. The earliest departure is at 8:29 AM in the morning, and the last departure from La Défense is at 5:49 PM which arrives into Athis-Mons at 6:31 PM. All services require a transfer, and take on average 43 min. The schedules shown below are for the next available departures.

40 min • 1 change

39 min • 1 change

41 min • 1 change

41 min • 1 change
Want to know about travelling from La Défense to Athis-Mons? 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 La Défense to Athis-Mons. However, there are services departing from La Défense station and arriving at Athis-Mons station via Paris Gare de Lyon. The journey, including transfers, takes approximately 43 min.
La Défense to Athis-Mons train services, operated by Réseau Express Régional (RER Paris), depart from La Défense station.
La Défense to Athis-Mons train services, operated by Réseau Express Régional (RER Paris), arrive at Vigneux-sur-Seine station.
The distance between La Défense and Athis-Mons is 23.6 km. The road distance is 30 km.
You can take a train from La Défense to Vigneux-sur-Seine via Paris Gare de Lyon in around 42 min.