The average train between Grigny and Trappes takes 1h 40m and the fastest train takes 1h 28m. There is an hourly train service from Grigny to Trappes. 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 hourly between Grigny and Trappes. The earliest departure is at 4:53 AM at night, and the last departure from Grigny is at 10:20 PM which arrives into Trappes at 12:14 AM. All services require a transfer at Juvisy and take an average of 1h 40m. The schedules shown below are for the next available departures.


1h 37m • 2 changes


1h 35m • 2 changes


1h 29m • 2 changes


1h 33m • 2 changes
Want to know about travelling from Grigny to Trappes? 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 Grigny to Trappes. However, there are services departing from Grigny station and arriving at Trappes station via Saint-Cyr. The journey, including transfers, takes approximately 1h 40m.
Grigny to Trappes train services, operated by Société Nationale des Chemins de fer Français (SNCF), depart from Juvisy station.
Grigny to Trappes train services, operated by Société Nationale des Chemins de fer Français (SNCF), arrive at Saint-Cyr station.
The distance between Grigny and Trappes is 30.6 km. The road distance is 56 km.
Société Nationale des Chemins de fer Français (SNCF) operates a train from Juvisy to Saint-Cyr hourly. Tickets cost €7–16 and the journey takes 1h 3m.