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

From Les Ulis to Saint-Pathus by RER and bus

To get from Les Ulis to Saint-Pathus in Paris, you’ll need to take 2 bus lines and one RER line: take the 4621 bus from Pacifique station to Gare de Massy - Palaiseau station. Next, you’ll have to switch to the B RER and finally take the FILÉO SP bus from Gare de Roissypole - Aéroport Cdg 1 (D1) station to Mairie station. The total trip duration for this route is approximately 2 hr 14 min. The RER and bus schedule from Les Ulis may change. We recommend you check the updated RER and bus schedule to Saint-Pathus on the Moovit app.

134min
Bus - 46214621
RER - B
RER - B
Bus - FILÉO SPFILÉO SP
Leaves from Pacifique

Step by Step

  • 1
    Start from bus station
    Start from bus station
    Les Ulis
  • 2
    Bus - 46214621
    Wait for bus
    4621
    Gare de Massy - Palaiseau
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Massy - Palaiseau
    13 min
  • 4
    Walk to RER station
    Walk to RER station
    Massy-Palaiseau
    170 m • 3 min
  • 5
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 6
    Ride to RER station
    Ride to RER station
    Gare RER Roissy Pole
    61 min
  • 7
    Walk to bus station
    Walk to bus station
    Gare de Roissypole - Aéroport Cdg 1 (D1)
    200 m • 3 min
  • 8
    Bus - FILÉO SPFILÉO SP
    Wait for bus
    FILÉO SP
    Les Frênes
  • 9
    Ride to bus station Mairie
    Ride to bus station
    Mairie
    42 min
*Duration based on 8am traffic

Alternative route from Les Ulis to Saint-Pathus by RER and bus via 9102, B and FILÉO SP

To get from Les Ulis to Saint-Pathus in Paris, you’ll need to take 2 bus lines and one RER line: take the 9102 bus from Lfb station to Gare du Guichet station. Next, you’ll have to switch to the B RER and finally take the FILÉO SP bus from Gare de Roissypole - Aéroport Cdg 1 (D1) station to Mairie station. The total trip duration for this route is approximately 2 hr 50 min. The RER and bus schedule from Les Ulis may change. We recommend you check the updated RER and bus schedule to Saint-Pathus on the Moovit app.

170min
Walk to bus station
Bus - 91029102
RER - B
RER - B
Bus - FILÉO SPFILÉO SP
Leaves from Lfb

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Lfb
    80 m • 2 min
  • 2
    Bus - 91029102
    Wait for bus
    9102
    Gare du Guichet
  • 3
    Ride to bus station
    Ride to bus station
    Gare du Guichet
    10 min
  • 4
    Walk to RER station
    Walk to RER station
    Le Guichet
    270 m • 4 min
  • 5
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 6
    Ride to RER station
    Ride to RER station
    Gare RER Roissy Pole
    70 min
  • 7
    Walk to bus station
    Walk to bus station
    Gare de Roissypole - Aéroport Cdg 1 (D1)
    200 m • 3 min
  • 8
    Bus - FILÉO SPFILÉO SP
    Wait for bus
    FILÉO SP
    Les Frênes
  • 9
    Ride to bus station Mairie
    Ride to bus station
    Mairie
    42 min
*Duration based on 8am traffic
The Most Popular Urban Mobility App in Paris.
All local mobility options in one app

Public transit directions from Les Ulis to Saint-Pathus

The distance between Les Ulis, Paris and Saint-Pathus, Paris is approximately 96.16 km, which can typically be travelled in 134 min. Moovit will show you the directions from Les Ulis to Saint-Pathus 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 Les Ulis to Saint-Pathus

To check the RER and bus schedule from Les Ulis to Saint-Pathus using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Les Ulis) and destination (Saint-Pathus), 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

Alternative route from Les Ulis to Saint-Pathus by RER and bus via 9102, B and FILÉO SP

To get from Les Ulis to Saint-Pathus in Paris, you’ll need to take 2 bus lines and one RER line: take the 9102 bus from Lfb station to Gare du Guichet station. Next, you’ll have to switch to the B RER and finally take the FILÉO SP bus from Gare de Roissypole - Aéroport Cdg 1 (D1) station to Mairie station. The total trip duration for this route is approximately 2 hr 50 min. The RER and bus schedule from Les Ulis may change. We recommend you check the updated RER and bus schedule to Saint-Pathus on the Moovit app.

170min
Walk to bus station
Bus - 91029102
RER - B
RER - B
Bus - FILÉO SPFILÉO SP
Leaves from Lfb

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Lfb
    80 m • 2 min
  • 2
    Bus - 91029102
    Wait for bus
    9102
    Gare du Guichet
  • 3
    Ride to bus station
    Ride to bus station
    Gare du Guichet
    10 min
  • 4
    Walk to RER station
    Walk to RER station
    Le Guichet
    270 m • 4 min
  • 5
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 6
    Ride to RER station
    Ride to RER station
    Gare RER Roissy Pole
    70 min
  • 7
    Walk to bus station
    Walk to bus station
    Gare de Roissypole - Aéroport Cdg 1 (D1)
    200 m • 3 min
  • 8
    Bus - FILÉO SPFILÉO SP
    Wait for bus
    FILÉO SP
    Les Frênes
  • 9
    Ride to bus station Mairie
    Ride to bus station
    Mairie
    42 min
*Duration based on 8am traffic

Questions & Answers

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

    The fastest way takes 134 minutes, using Bus line 4621, RER line B, Bus line FILÉO SP.

  • What is the alternative route to get from Les Ulis to Saint-Pathus?

    The alternative route takes 170 minutes, using Bus line 9102, RER line B, Bus line FILÉO SP.

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

    No, you’ll have to take 2 bus lines and one RER line in total. The total travelling time is 2 hr 14 min.

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

    The 4621 bus line goes from Gare de Massy - Palaiseau station near Les Ulis to Gare de Massy - Palaiseau station. From there you’ll have to take one bus line and one RER line till Gare de Massy - Palaiseau station near Saint-Pathus in Paris.

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

    The total travel time between Les Ulis and Saint-Pathus in Paris by bus and RER is about 2 hr 14 min.

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

    Get on the 4621 bus from the Gare de Massy - Palaiseau stop near Les Ulis in Paris.

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

    Get off the bus at the Gare de Massy - Palaiseau stop, which is closest to Saint-Pathus in Paris.

Popular Routes