How to get from Fosses to Saclay by RER and bus?

Fosses to Saclay - Bus Schedule

The 1601 bus from Fosses to Saclay runs from 04:34 to 21:35, with departures every 15 min-1 hr 15 min. The trip takes about 2 hr 23 min, with regular service throughout the operating hours.

From Fosses to Saclay by RER and bus

To get from Fosses to Saclay in Paris, you’ll need to take 2 bus lines and one RER line: take the 1601 bus from Gare de Survilliers - Fosses station to Gare de Roissypôle - Aéroport station. Next, you’ll have to switch to the B RER and finally take the 5154 bus from Gare de Massy - Palaiseau station to Christ de Saclay station. The total trip duration for this route is approximately 2 hr 23 min. The RER and bus schedule from Fosses may change. We recommend you check the updated RER and bus schedule to Saclay on the Moovit app.

143min
Walk to bus station
Bus - 16011601
RER - B
RER - B
Bus - 51545154
Walk to Saclay
Leaves from Gare de Survilliers - Fosses

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Gare de Survilliers - Fosses
    30 m • 1 min
  • 2
    Bus - 16011601
    Wait for bus
    1601
    Gare de Roissypôle - Aéroport Cdg 1 (Terminal 3) (D4)
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Roissypôle - Aéroport
    37 min
  • 4
    Walk to RER station
    Walk to RER station
    Aéroport Cdg 1 (Terminal 3)
    120 m • 2 min
  • 5
    RER - B
    Wait for RER
    B
    Saint-Rémy-Lès-Chevreuse
  • 6
    Ride to RER station
    Ride to RER station
    Massy - Palaiseau
    61 min
  • 7
    Walk to bus station
    Walk to bus station
    Gare de Massy - Palaiseau
    220 m • 3 min
  • 8
    Bus - 51545154
    Wait for bus
    5154
    Saint-Quentin - Gare Routière Des Prés
  • 9
    Ride to bus station
    Ride to bus station
    Christ de Saclay
    26 min
  • 10
    Walk to Saclay
    Walk to
    Saclay
    150 m • 2 min
*Duration based on 8am traffic
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Public transit directions from Fosses to Saclay

The distance between Fosses, Paris and Saclay, Paris is approximately 83.99 km, which can typically be travelled in 143 min. Moovit will show you the directions from Fosses to Saclay 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 Fosses to Saclay

To check the RER and bus schedule from Fosses to Saclay using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Fosses) and destination (Saclay), 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 Fosses to Saclay?

    The fastest way takes 143 minutes, using Bus line 1601, RER line B, Bus line 5154.

  • Is there a direct bus between Fosses and Saclay in Paris?

    No, you’ll have to take 2 bus lines and one RER line in total. The total travelling time is 2 hr 23 min.

  • Which bus line goes from Fosses to Saclay in Paris?

    The 1601 bus line goes from Gare de Survilliers - Fosses station near Fosses to Gare de Roissypôle - Aéroport station. From there you’ll have to take one bus line and one RER line till Gare de Roissypôle - Aéroport station near Saclay in Paris.

  • How long does it take to travel from Fosses to Saclay in Paris by bus and RER?

    The total travel time between Fosses and Saclay in Paris by bus and RER is about 2 hr 23 min.

  • Where do I get on the bus near Fosses to get to Saclay in Paris?

    Get on the 1601 bus from the Gare de Survilliers - Fosses stop near Fosses in Paris.

  • Where do I get off the bus when travelling between Fosses and Saclay in Paris?

    Get off the bus at the Gare de Roissypôle - Aéroport stop, which is closest to Saclay in Paris.

Popular Routes