How to get from Boissy-Sous-Saint-Yon to Cergy by RER and bus?

From Boissy-Sous-Saint-Yon to Cergy by RER and bus

To get from Boissy-Sous-Saint-Yon to Cergy in Paris, you’ll need to take one bus line and 2 RER lines: take the 4555 bus from Facteur Cheval station to Gare D'Arpajon station. Next, you’ll have to switch to the C RER and finally take the A RER from Gare de Lyon station to Cergy Préfecture station. The total trip duration for this route is approximately 2 hr 23 min. The RER and bus schedule from Boissy-Sous-Saint-Yon may change. We recommend you check the updated RER and bus schedule to Cergy on the Moovit app.

143min
Walk to bus station
Bus - 45554555
RER - C
RER - C
RER - A
RER - A
Walk to Cergy
Leaves from Facteur Cheval

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Facteur Cheval
    60 m • 1 min
  • 2
    Bus - 45554555
    Wait for bus
    4555
    Gare D'Arpajon
  • 3
    Ride to bus station
    Ride to bus station
    Gare D'Arpajon
    16 min
  • 4
    Walk to RER station
    Walk to RER station
    Arpajon
    40 m • 1 min
  • 5
    RER - C
    Wait for RER
    C
    Pontoise
  • 6
    Ride to RER station
    Ride to RER station
    Gare D'Austerlitz
    43 min
  • 7
    Walk to RER station
    Walk to RER station
    Gare de Lyon
    720 m • 9 min
  • 8
    RER - A
    Wait for RER
    A
    Cergy Le Haut
  • 9
    Ride to RER station
    Ride to RER station
    Cergy Préfecture
    42 min
  • 10
    Walk to Cergy
    Walk to
    Cergy
    850 m • 12 min
*Duration based on 8am traffic

Alternative route from Boissy-Sous-Saint-Yon to Cergy by RER and bus via 4555, C and 1201

To get from Boissy-Sous-Saint-Yon to Cergy in Paris, you’ll need to take 2 bus lines and one RER line: take the 4555 bus from Facteur Cheval station to Gare D'Arpajon station. Next, you’ll have to switch to the C RER and finally take the 1201 bus from Pontoise Gare station to Chemin Dupuis station. The total trip duration for this route is approximately 2 hr 45 min. The RER and bus schedule from Boissy-Sous-Saint-Yon may change. We recommend you check the updated RER and bus schedule to Cergy on the Moovit app.

165min
Walk to bus station
Bus - 45554555
RER - C
RER - C
Bus - 12011201
Walk to Cergy
Leaves from Facteur Cheval

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Facteur Cheval
    60 m • 1 min
  • 2
    Bus - 45554555
    Wait for bus
    4555
    Gare D'Arpajon
  • 3
    Ride to bus station
    Ride to bus station
    Gare D'Arpajon
    16 min
  • 4
    Walk to RER station
    Walk to RER station
    Arpajon
    40 m • 1 min
  • 5
    RER - C
    Wait for RER
    C
    Pontoise
  • 6
    Ride to RER station
    Ride to RER station
    Pontoise
    118 min
  • 7
    Walk to bus station
    Walk to bus station
    Pontoise Gare
    50 m • 1 min
  • 8
    Bus - 12011201
    Wait for bus
    1201
    Cergy Saint-Christophe RER
  • 9
    Ride to bus station
    Ride to bus station
    Chemin Dupuis
    13 min
  • 10
    Walk to Cergy
    Walk to
    Cergy
    630 m • 9 min
*Duration based on 8am traffic
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Public transit directions from Boissy-Sous-Saint-Yon to Cergy

The distance between Boissy-Sous-Saint-Yon, Paris and Cergy, Paris is approximately 82.49 km, which can typically be travelled in 143 min. Moovit will show you the directions from Boissy-Sous-Saint-Yon to Cergy 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 Boissy-Sous-Saint-Yon to Cergy

To check the RER and bus schedule from Boissy-Sous-Saint-Yon to Cergy using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Boissy-Sous-Saint-Yon) and destination (Cergy), 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 Boissy-Sous-Saint-Yon to Cergy by RER and bus via 4555, C and 1201

To get from Boissy-Sous-Saint-Yon to Cergy in Paris, you’ll need to take 2 bus lines and one RER line: take the 4555 bus from Facteur Cheval station to Gare D'Arpajon station. Next, you’ll have to switch to the C RER and finally take the 1201 bus from Pontoise Gare station to Chemin Dupuis station. The total trip duration for this route is approximately 2 hr 45 min. The RER and bus schedule from Boissy-Sous-Saint-Yon may change. We recommend you check the updated RER and bus schedule to Cergy on the Moovit app.

165min
Walk to bus station
Bus - 45554555
RER - C
RER - C
Bus - 12011201
Walk to Cergy
Leaves from Facteur Cheval

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Facteur Cheval
    60 m • 1 min
  • 2
    Bus - 45554555
    Wait for bus
    4555
    Gare D'Arpajon
  • 3
    Ride to bus station
    Ride to bus station
    Gare D'Arpajon
    16 min
  • 4
    Walk to RER station
    Walk to RER station
    Arpajon
    40 m • 1 min
  • 5
    RER - C
    Wait for RER
    C
    Pontoise
  • 6
    Ride to RER station
    Ride to RER station
    Pontoise
    118 min
  • 7
    Walk to bus station
    Walk to bus station
    Pontoise Gare
    50 m • 1 min
  • 8
    Bus - 12011201
    Wait for bus
    1201
    Cergy Saint-Christophe RER
  • 9
    Ride to bus station
    Ride to bus station
    Chemin Dupuis
    13 min
  • 10
    Walk to Cergy
    Walk to
    Cergy
    630 m • 9 min
*Duration based on 8am traffic

Questions & Answers

  • What is the fastest way to get from Boissy-Sous-Saint-Yon to Cergy?

    The fastest way takes 143 minutes, using Bus line 4555, RER line C, RER line A.

  • What is the alternative route to get from Boissy-Sous-Saint-Yon to Cergy?

    The alternative route takes 165 minutes, using Bus line 4555, RER line C, Bus line 1201.

  • Is there a direct bus between Boissy-Sous-Saint-Yon and Cergy in Paris?

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

  • Which bus line goes from Boissy-Sous-Saint-Yon to Cergy in Paris?

    The 4555 bus line goes from Facteur Cheval station near Boissy-Sous-Saint-Yon to Gare D'Arpajon station. From there you’ll have to take 2 RER lines till Gare D'Arpajon station near Cergy in Paris.

  • How long does it take to travel from Boissy-Sous-Saint-Yon to Cergy in Paris by bus and RER?

    The total travel time between Boissy-Sous-Saint-Yon and Cergy in Paris by bus and RER is about 2 hr 23 min.

  • Where do I get on the bus near Boissy-Sous-Saint-Yon to get to Cergy in Paris?

    Get on the 4555 bus from the Facteur Cheval stop near Boissy-Sous-Saint-Yon in Paris.

  • Where do I get off the bus when travelling between Boissy-Sous-Saint-Yon and Cergy in Paris?

    Get off the bus at the Gare D'Arpajon station, which is closest to Cergy in Paris.

Popular Routes