The average train between Trappes and Grigny takes 1h 32m and the fastest train takes 1h 25m. There is an hourly train service from Trappes to Grigny. 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 Trappes and Grigny. The earliest departure is at 5:01 AM in the morning, and the last departure from Trappes is at 9:17 PM which arrives into Grigny at 11:02 PM. All services require a transfer at Saint-Cyr and take an average of 1h 32m. The schedules shown below are for the next available departures.


1h 25m • 2 changes


1h 25m • 2 changes


1h 25m • 2 changes


1h 26m • 2 changes
Want to know about travelling from Trappes to Grigny? 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 Trappes to Grigny. However, there are services departing from Trappes station and arriving at Grigny station via Juvisy. The journey, including transfers, takes approximately 1h 32m.
Trappes to Grigny train services, operated by Transilien – SNCF Voyageurs, depart from Saint-Cyr station.
Trappes to Grigny train services, operated by Transilien – SNCF Voyageurs, arrive at Juvisy station.
The distance between Trappes and Grigny is 30.6 km. The road distance is 56 km.
Société Nationale des Chemins de fer Français (SNCF) operates a train from Saint-Cyr to Juvisy hourly. Tickets cost €7–16 and the journey takes 1h 1m.