How to get from Osny to Chatou by RER and bus?

From Osny to Chatou by RER and bus

To get from Osny to Chatou in Paris, you’ll need to take 2 bus lines and one RER line: take the 1206 bus from Réservoir station to Gare de Cergy Saint-Christophe RER station. Next, you’ll have to switch to the A RER and finally take the A bus from Gare de Houilles - Carrières-Sur-Seine station to Renoir station. The total trip duration for this route is approximately 1 hr 29 min. The RER and bus schedule from Osny may change. We recommend you check the updated RER and bus schedule to Chatou on the Moovit app.

89min
Walk to bus station
Bus - 12061206
RER - A
RER - A
Bus - AA
Leaves from Réservoir

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Réservoir
    190 m • 3 min
  • 2
    Bus - 12061206
    Wait for bus
    1206
    Cergy Le Haut RER
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Cergy Saint-Christophe RER
    14 min
  • 4
    Walk to RER station
    Walk to RER station
    Cergy Saint-Christophe
    50 m • 1 min
  • 5
    RER - A
    Wait for RER
    A
    Marne-La-Vallée Chessy
  • 6
    Ride to RER station
    Ride to RER station
    Houilles - Carrières-Sur-Seine
    24 min
  • 7
    Walk to bus station
    Walk to bus station
    Gare de Houilles - Carrières-Sur-Seine
    60 m • 1 min
  • 8
    Bus - AA
    Wait for bus
    A
    Gare du Vésinet - Le Pecq
  • 9
    Ride to bus station Renoir
    Ride to bus station
    Renoir
    12 min
*Duration based on 8am traffic

Alternative route from Osny to Chatou by RER and bus via 1242, A and A

To get from Osny to Chatou in Paris, you’ll need to take 2 bus lines and one RER line: take the 1242 bus from Lycée station to Gare de Cergy Préfecture - Quai B station. Next, you’ll have to switch to the A RER and finally take the A bus from Gare de Houilles - Carrières-Sur-Seine station to Renoir station. The total trip duration for this route is approximately 1 hr 29 min. The RER and bus schedule from Osny may change. We recommend you check the updated RER and bus schedule to Chatou on the Moovit app.

89min
Walk to bus station
Bus - 12421242
RER - A
RER - A
Bus - AA
Leaves from Lycée

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Lycée
    420 m • 6 min
  • 2
    Bus - 12421242
    Wait for bus
    1242
    Gare de Cergy Préfecture - Quai B
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Cergy Préfecture - Quai B
    21 min
  • 4
    Walk to RER station
    Walk to RER station
    Cergy Préfecture
    150 m • 3 min
  • 5
    RER - A
    Wait for RER
    A
    Marne-La-Vallée Chessy
  • 6
    Ride to RER station
    Ride to RER station
    Houilles - Carrières-Sur-Seine
    20 min
  • 7
    Walk to bus station
    Walk to bus station
    Gare de Houilles - Carrières-Sur-Seine
    60 m • 1 min
  • 8
    Bus - AA
    Wait for bus
    A
    Gare du Vésinet - Le Pecq
  • 9
    Ride to bus station Renoir
    Ride to bus station
    Renoir
    12 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 Osny to Chatou

The distance between Osny, Paris and Chatou, Paris is approximately 32.69 km, which can typically be travelled in 89 min. Moovit will show you the directions from Osny to Chatou 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 Osny to Chatou

To check the RER and bus schedule from Osny to Chatou using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Osny) and destination (Chatou), 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 Osny to Chatou by RER and bus via 1242, A and A

To get from Osny to Chatou in Paris, you’ll need to take 2 bus lines and one RER line: take the 1242 bus from Lycée station to Gare de Cergy Préfecture - Quai B station. Next, you’ll have to switch to the A RER and finally take the A bus from Gare de Houilles - Carrières-Sur-Seine station to Renoir station. The total trip duration for this route is approximately 1 hr 29 min. The RER and bus schedule from Osny may change. We recommend you check the updated RER and bus schedule to Chatou on the Moovit app.

89min
Walk to bus station
Bus - 12421242
RER - A
RER - A
Bus - AA
Leaves from Lycée

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Lycée
    420 m • 6 min
  • 2
    Bus - 12421242
    Wait for bus
    1242
    Gare de Cergy Préfecture - Quai B
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Cergy Préfecture - Quai B
    21 min
  • 4
    Walk to RER station
    Walk to RER station
    Cergy Préfecture
    150 m • 3 min
  • 5
    RER - A
    Wait for RER
    A
    Marne-La-Vallée Chessy
  • 6
    Ride to RER station
    Ride to RER station
    Houilles - Carrières-Sur-Seine
    20 min
  • 7
    Walk to bus station
    Walk to bus station
    Gare de Houilles - Carrières-Sur-Seine
    60 m • 1 min
  • 8
    Bus - AA
    Wait for bus
    A
    Gare du Vésinet - Le Pecq
  • 9
    Ride to bus station Renoir
    Ride to bus station
    Renoir
    12 min
*Duration based on 8am traffic

Questions & Answers

  • What is the fastest way to get from Osny to Chatou?

    The fastest way takes 89 minutes, using Bus line 1206, RER line A, Bus line A.

  • What is the alternative route to get from Osny to Chatou?

    The alternative route takes 89 minutes, using Bus line 1242, RER line A, Bus line A.

  • Is there a direct bus between Osny and Chatou in Paris?

    No, you’ll have to take 2 bus lines and one RER line in total. The total travelling time is 1 hr 29 min.

  • Which bus line goes from Osny to Chatou in Paris?

    The 1206 bus line goes from Réservoir station near Osny to Cergy Le Haut RER station. From there you’ll have to take one bus line and one RER line till Cergy Le Haut RER station near Chatou in Paris.

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

    The total travel time between Osny and Chatou in Paris by bus and RER is about 1 hr 29 min.

  • Where do I get on the bus near Osny to get to Chatou in Paris?

    Get on the 1206 bus from the Réservoir stop near Osny in Paris.

  • Where do I get off the bus when travelling between Osny and Chatou in Paris?

    Get off the bus at the Cergy Le Haut RER stop, which is closest to Chatou in Paris.

Popular Routes