How to get from Champlan to Montesson by RER and bus?

From Champlan to Montesson by RER and bus

To get from Champlan to Montesson in Paris, you’ll need to take one bus line and 2 RER lines: take the 199 bus from Butte Chaumont station to Palaiseau Ville station. Next, you’ll have to switch to the B RER and finally take the A RER from Châtelet Les Halles station to Le Vésinet - Le Pecq station. The total trip duration for this route is approximately 1 hr 35 min. The RER and bus schedule from Champlan may change. We recommend you check the updated RER and bus schedule to Montesson on the Moovit app.

95min
Walk to bus station
Bus - 199199
RER - B
RER - B
RER - A
RER - A
Walk to Montesson
Leaves from Butte Chaumont

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Butte Chaumont
    20 m • 1 min
  • 2
    Bus - 199199
    Wait for bus
    199
    Hôpital Paris-Saclay
  • 3
    Ride to bus station
    Ride to bus station
    Palaiseau Ville
    11 min
  • 4
    Walk to RER station
    Walk to RER station
    Palaiseau
    580 m • 8 min
  • 5
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 6
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    27 min
  • 7
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 8
    Ride to RER station
    Ride to RER station
    Le Vésinet - Le Pecq
    25 min
  • 9
    Walk to Montesson
    Walk to
    Montesson
    960 m • 13 min
*Duration based on 8am traffic

From Champlan to Montesson by RER

To get from Champlan to Montesson in Paris, take the B RER from Palaiseau station to Châtelet Les Halles station. Next, take the A RER from Châtelet Les Halles station to Le Vésinet - Le Pecq station. The total trip duration for this route is approximately 1 hr 36 min. The RER and bus schedule from Champlan may change. We recommend you check the updated RER and bus schedule to Montesson on the Moovit app.

96min
Walk to RER stationRER - B
RER - B
RER - A
RER - A
Walk to Montesson
Leaves from Palaiseau

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Palaiseau
    1.71 km • 22 min
  • 2
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 3
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    27 min
  • 4
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 5
    Ride to RER station
    Ride to RER station
    Le Vésinet - Le Pecq
    25 min
  • 6
    Walk to Montesson
    Walk to
    Montesson
    960 m • 13 min
*Duration based on 8am traffic
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Public transit directions from Champlan to Montesson

The distance between Champlan, Paris and Montesson, Paris is approximately 43.74 km, which can typically be travelled in 95 min. Moovit will show you the directions from Champlan to Montesson 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 Champlan to Montesson

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

From Champlan to Montesson by RER

To get from Champlan to Montesson in Paris, take the B RER from Palaiseau station to Châtelet Les Halles station. Next, take the A RER from Châtelet Les Halles station to Le Vésinet - Le Pecq station. The total trip duration for this route is approximately 1 hr 36 min. The RER and bus schedule from Champlan may change. We recommend you check the updated RER and bus schedule to Montesson on the Moovit app.

96min
Walk to RER stationRER - B
RER - B
RER - A
RER - A
Walk to Montesson
Leaves from Palaiseau

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Palaiseau
    1.71 km • 22 min
  • 2
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 3
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    27 min
  • 4
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 5
    Ride to RER station
    Ride to RER station
    Le Vésinet - Le Pecq
    25 min
  • 6
    Walk to Montesson
    Walk to
    Montesson
    960 m • 13 min
*Duration based on 8am traffic

Questions & Answers

  • What is the fastest way to get from Champlan to Montesson?

    The fastest way takes 95 minutes, using Bus line 199, RER line B, RER line A.

  • What is the alternative route to get from Champlan to Montesson?

    The alternative route takes 96 minutes, using RER line B, RER line A.

  • Is there a direct bus between Champlan and Montesson in Paris?

    No, you’ll have to take one bus line and 2 RER lines in total. The total travelling time is 1 hr 35 min.

  • Which bus line goes from Champlan to Montesson in Paris?

    The 199 bus line goes from Butte Chaumont station near Champlan to Hôpital Paris-Saclay station. From there you’ll have to take 2 RER lines till Hôpital Paris-Saclay station near Montesson in Paris.

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

    The total travel time between Champlan and Montesson in Paris by bus and RER is about 1 hr 35 min.

  • Where do I get on the bus near Champlan to get to Montesson in Paris?

    Get on the 199 bus from the Butte Chaumont stop near Champlan in Paris.

  • Where do I get off the bus when travelling between Champlan and Montesson in Paris?

    Get off the bus at the Hôpital Paris-Saclay station, which is closest to Montesson in Paris.

Popular Routes