How to get from Saint-Pathus to Montesson by RER and bus?

From Saint-Pathus to Montesson by RER and bus

To get from Saint-Pathus to Montesson in Paris, you’ll need to take one bus line and 2 RER lines: take the FILÉO SP bus from Mairie station to Gare de Roissypole - Aéroport Cdg 1 (D1) station. Next, you’ll have to switch to the B RER and finally take the A RER from Châtelet Les Halles station to Le Vésinet - Le Pecq station. The total trip duration for this route is approximately 2 hr 17 min. The RER and bus schedule from Saint-Pathus may change. We recommend you check the updated RER and bus schedule to Montesson on the Moovit app.

137min
Bus - FILÉO SPFILÉO SP
RER - B
RER - B
RER - A
RER - A
Walk to Montesson
Leaves from Mairie

Step by Step

  • 1
    Start from bus station
    Start from bus station
    Saint-Pathus
  • 2
    Bus - FILÉO SPFILÉO SP
    Wait for bus
    FILÉO SP
    Gare de Roissypole - Aéroport Cdg 1 (D1)
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Roissypole - Aéroport Cdg 1 (D1)
    63 min
  • 4
    Walk to RER station
    Walk to RER station
    Aéroport Cdg 1 (Terminal 3)
    200 m • 3 min
  • 5
    RER - B
    Wait for RER
    B
    Massy - Palaiseau
  • 6
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    32 min
  • 7
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 8
    Ride to RER station
    Ride to RER station
    Le Vésinet - Le Pecq
    25 min
  • 9
    Walk to Montesson
    Walk to
    Montesson
    960 m • 13 min
*Duration based on 8am traffic
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Public transit directions from Saint-Pathus to Montesson

The distance between Saint-Pathus, Paris and Montesson, Paris is approximately 87.48 km, which can typically be travelled in 137 min. Moovit will show you the directions from Saint-Pathus to Montesson by RER and bus, so no matter how you choose to travel in Paris – you will always have plenty of easy options.

RER And Bus schedule from Saint-Pathus to Montesson

To check the RER and bus schedule from Saint-Pathus to Montesson using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Saint-Pathus) and destination (Montesson), then select the desired date and time of travel. Moovit will show all available RER and bus routes, estimated travel times, and any required transfers. You can view detailed departure and arrival times for each RER and bus, as well as real-time updates for delays or changes. Use this information to plan your trip and stay up to date with the latest RER and bus schedules.

Related Routes

Questions & Answers

  • What is the fastest way to get from Saint-Pathus to Montesson?

    The fastest way takes 137 minutes, using Bus line FILÉO SP, RER line B, RER line A.

  • Is there a direct bus between Saint-Pathus and Montesson in Paris?

    No, you’ll have to take one bus line and 2 RER lines in total. The total travelling time is 2 hr 17 min.

  • Which bus line goes from Saint-Pathus to Montesson in Paris?

    The FILÉO SP bus line goes from Gare de Roissypole - Aéroport Cdg 1 (D1) station near Saint-Pathus to Gare de Roissypole - Aéroport Cdg 1 (D1) station. From there you’ll have to take 2 RER lines till Gare de Roissypole - Aéroport Cdg 1 (D1) station near Montesson in Paris.

  • How long does it take to travel from Saint-Pathus to Montesson in Paris by bus and RER?

    The total travel time between Saint-Pathus and Montesson in Paris by bus and RER is about 2 hr 17 min.

  • Where do I get on the bus near Saint-Pathus to get to Montesson in Paris?

    Get on the FILÉO SP bus from the Gare de Roissypole - Aéroport Cdg 1 (D1) stop near Saint-Pathus in Paris.

  • Where do I get off the bus when travelling between Saint-Pathus and Montesson in Paris?

    Get off the bus at the Gare de Roissypole - Aéroport Cdg 1 (D1) station, which is closest to Montesson in Paris.

Popular Routes