How to get from Conflans-Sainte-Honorine to Champlan by RER and bus?

From Conflans-Sainte-Honorine to Champlan by RER and bus

To get from Conflans-Sainte-Honorine to Champlan in Paris, you’ll need to take one bus line and 2 RER lines: take the 1257 bus from Gaillon station to Gare de Conflans - Fin-D'Oise station. Next, you’ll have to switch to the A RER and finally take the B RER from Châtelet - Les Halles station to Palaiseau station. The total trip duration for this route is approximately 2 hr 7 min. The RER and bus schedule from Conflans-Sainte-Honorine may change. We recommend you check the updated RER and bus schedule to Champlan on the Moovit app.

127min
Walk to bus station
Bus - 12571257
RER - A
RER - A
RER - B
RER - B
Walk to Champlan
Leaves from Gaillon

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Gaillon
    10 m • 1 min
  • 2
    Bus - 12571257
    Wait for bus
    1257
    Gare de Conflans - Fin-D'Oise
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Conflans - Fin-D'Oise
    20 min
  • 4
    Walk to RER station
    Walk to RER station
    Conflans Fin D'Oise
    40 m • 1 min
  • 5
    RER - A
    Wait for RER
    A
    Boissy-Saint-Léger
  • 6
    Ride to RER station
    Ride to RER station
    Châtelet - Les Halles
    34 min
  • 7
    RER - B
    Wait for RER
    B
    Saint-Rémy-Lès-Chevreuse
  • 8
    Ride to RER station
    Ride to RER station
    Palaiseau
    28 min
  • 9
    Walk to Champlan
    Walk to
    Champlan
    1.71 km • 22 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 Conflans-Sainte-Honorine to Champlan

The distance between Conflans-Sainte-Honorine, Paris and Champlan, Paris is approximately 54.67 km, which can typically be travelled in 127 min. Moovit will show you the directions from Conflans-Sainte-Honorine to Champlan 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 Conflans-Sainte-Honorine to Champlan

To check the RER and bus schedule from Conflans-Sainte-Honorine to Champlan using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Conflans-Sainte-Honorine) and destination (Champlan), 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 Conflans-Sainte-Honorine to Champlan?

    The fastest way takes 127 minutes, using Bus line 1257, RER line A, RER line B.

  • Is there a direct bus between Conflans-Sainte-Honorine and Champlan in Paris?

    No, you’ll have to take one bus line and 2 RER lines in total. The total travelling time is 2 hr 7 min.

  • Which bus line goes from Conflans-Sainte-Honorine to Champlan in Paris?

    The 1257 bus line goes from Gaillon station near Conflans-Sainte-Honorine to Gare de Conflans - Fin-D'Oise station. From there you’ll have to take 2 RER lines till Gare de Conflans - Fin-D'Oise station near Champlan in Paris.

  • How long does it take to travel from Conflans-Sainte-Honorine to Champlan in Paris by bus and RER?

    The total travel time between Conflans-Sainte-Honorine and Champlan in Paris by bus and RER is about 2 hr 7 min.

  • Where do I get on the bus near Conflans-Sainte-Honorine to get to Champlan in Paris?

    Get on the 1257 bus from the Gaillon stop near Conflans-Sainte-Honorine in Paris.

  • Where do I get off the bus when travelling between Conflans-Sainte-Honorine and Champlan in Paris?

    Get off the bus at the Gare de Conflans - Fin-D'Oise station, which is closest to Champlan in Paris.

Popular Routes