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 4603 bus from Rond-Point de Mondétour station to Gare D'Orsay-Ville 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 15 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.

135min
Walk to bus station
Bus - 46034603
RER - B
RER - B
Bus - FILÉO SPFILÉO SP
Leaves from Rond-Point de Mondétour

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Rond-Point de Mondétour
    510 m • 7 min
  • 2
    Bus - 46034603
    Wait for bus
    4603
    Gare D'Orsay-Ville
  • 3
    Ride to bus station
    Ride to bus station
    Gare D'Orsay-Ville
    6 min
  • 4
    Walk to RER station
    Walk to RER station
    Orsay Ville
    30 m • 1 min
  • 5
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 6
    Ride to RER station
    Ride to RER station
    Aéroport Cdg 1 (Terminal 3)
    71 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 4609, 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 4609 bus from Rond-Point de Mondétour 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 15 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.

135min
Walk to bus station
Bus - 46094609
RER - B
RER - B
Bus - FILÉO SPFILÉO SP
Leaves from Rond-Point de Mondétour

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Rond-Point de Mondétour
    510 m • 7 min
  • 2
    Bus - 46094609
    Wait for bus
    4609
    Christ de Saclay
  • 3
    Ride to bus station
    Ride to bus station
    Gare du Guichet
    9 min
  • 4
    Walk to RER station
    Walk to RER station
    Le Guichet
    250 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
    Aéroport Cdg 1 (Terminal 3)
    69 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
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Public transit directions from Les Ulis to Saint-Pathus

The distance between Les Ulis, Paris and Saint-Pathus, Paris is approximately 98.32 km, which can typically be travelled in 135 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 4609, 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 4609 bus from Rond-Point de Mondétour 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 15 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.

135min
Walk to bus station
Bus - 46094609
RER - B
RER - B
Bus - FILÉO SPFILÉO SP
Leaves from Rond-Point de Mondétour

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Rond-Point de Mondétour
    510 m • 7 min
  • 2
    Bus - 46094609
    Wait for bus
    4609
    Christ de Saclay
  • 3
    Ride to bus station
    Ride to bus station
    Gare du Guichet
    9 min
  • 4
    Walk to RER station
    Walk to RER station
    Le Guichet
    250 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
    Aéroport Cdg 1 (Terminal 3)
    69 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 135 minutes, using Bus line 4603, RER line B, Bus line FILÉO SP.

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

    The alternative route takes 135 minutes, using Bus line 4609, 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 15 min.

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

    The 4603 bus line goes from Rond-Point de Mondétour station near Les Ulis to Gare D'Orsay-Ville station. From there you’ll have to take one bus line and one RER line till Gare D'Orsay-Ville 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 15 min.

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

    Get on the 4603 bus from the Rond-Point de Mondétour 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 D'Orsay-Ville stop, which is closest to Saint-Pathus in Paris.

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