Montrouge to Orsay trains

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Trip Overview

The average train between Montrouge and Orsay takes 40 min and the fastest train takes 35 min. The train runs at least 4 times per hour from Montrouge to Orsay. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

40 min
Duration: 24 km
Distance: €8
Average price: Every 15 minutes
Frequency

Train

Take the train from Denfert-Rochereau to Orsay - Villetrain B

Montrouge to Orsay train times

Trains run every 15 minutes between Montrouge and Orsay. The earliest departure is at 12:29 AM at night, and the last departure from Montrouge is at 2:51 PM which arrives into Orsay at 3:31 PM. All services require a transfer at Denfert-Rochereau and take an average of 40 min. The schedules shown below are for the next available departures.

Departing Thursday, October 15, 2026

12:29 AM → 1:04 AM
35 min • 1 change
5:33 AM → 6:13 AM
40 min • 1 change
5:53 AM → 6:31 AM
37 min • 1 change
6:07 AM → 6:46 AM
38 min • 1 change
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Frequently asked questions

Want to know about travelling from Montrouge to Orsay? 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.

Map of how to get from Montrouge to Orsay.

Launch map view

Distance: 24.2 km
Duration: 40 min

What companies run services between Montrouge, Île-de-France, France and Orsay, Île-de-France, France?

Réseau Express Régional (RER Paris) operates a train from Denfert-Rochereau to Orsay - Ville every 15 minutes. Tickets cost €4–6 and the journey takes 30 min.

Operators