The average train between Montesson and Sannois takes 55 min and the fastest train takes 42 min. The train runs at least 4 times per hour from Montesson to Sannois. 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 Montesson and Sannois. The earliest departure is at 6:53 AM in the morning, and the last departure from Montesson is at 7:28 PM which arrives into Sannois at 8:22 PM. All services require a transfer at Nanterre Université and take an average of 55 min. The schedules shown below are for the next available departures.


1h • 2 changes


47 min • 2 changes


46 min • 2 changes


50 min • 2 changes
Want to know about travelling from Montesson to Sannois? 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 Montesson to Sannois. However, there are services departing from Montesson station and arriving at Sannois station via Nanterre Université. The journey, including transfers, takes approximately 55 min.
Montesson to Sannois train services, operated by Réseau Express Régional (RER Paris), depart from Le Vésinet - Le Pecq station.
Montesson to Sannois train services, operated by Réseau Express Régional (RER Paris), arrive at Sannois station.
The distance between Montesson and Sannois is 10.4 km. The road distance is 22 km.
You can take a train from Le Vésinet - Le Pecq to Sannois via Nanterre Université and Asnières-sur-Seine in around 48 min.