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 you’ll need to take one bus line and 2 RER lines: take the 1206 bus from Osny Gare Sncf station to Gare de Cergy Saint-Christophe RER station. Next, you’ll have to switch to the A RER and finally take the A RER from Nanterre Préfecture station to Chatou - Croissy station. The total trip duration for this route is approximately 1 hr 16 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.

76min
Walk to bus station
Bus - 12061206
RER - A
RER - A
RER - A
RER - A
Walk to Chatou
Leaves from Osny Gare Sncf

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Osny Gare Sncf
    90 m • 2 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
    9 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
    Nanterre Préfecture
    29 min
  • 7
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 8
    Ride to RER station
    Ride to RER station
    Chatou - Croissy
    9 min
  • 9
    Walk to Chatou
    Walk to
    Chatou
    610 m • 8 min
*Duration based on 8am traffic

Alternative route from Osny to Chatou by RER and bus via 1224, A and A

To get from Osny to Chatou you’ll need to take one bus line and 2 RER lines: take the 1224 bus from Osny Gare Sncf station to Gare de Cergy Saint-Christophe RER station. Next, you’ll have to switch to the A RER and finally take the A RER from Nanterre Préfecture station to Chatou - Croissy station. The total trip duration for this route is approximately 1 hr 13 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.

73min
Walk to bus station
Bus - 12241224
RER - A
RER - A
RER - A
RER - A
Walk to Chatou
Leaves from Osny Gare Sncf

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Osny Gare Sncf
    90 m • 2 min
  • 2
    Bus - 12241224
    Wait for bus
    1224
    Gare de Cergy Saint-Christophe RER
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Cergy Saint-Christophe RER
    9 min
  • 4
    Walk to RER station
    Walk to RER station
    Cergy Saint-Christophe
    30 m • 1 min
  • 5
    RER - A
    Wait for RER
    A
    Marne-La-Vallée Chessy
  • 6
    Ride to RER station
    Ride to RER station
    Nanterre Préfecture
    29 min
  • 7
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 8
    Ride to RER station
    Ride to RER station
    Chatou - Croissy
    9 min
  • 9
    Walk to Chatou
    Walk to
    Chatou
    610 m • 8 min
*Duration based on 8am traffic
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Public transit directions from Osny to Chatou

The distance between Osny and Chatou is approximately 36.75 km, which can typically be travelled in 76 min. Moovit will show you the directions from Osny to Chatou by RER and bus, so no matter how you choose to travel in Chatou – 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 1224, A and A

To get from Osny to Chatou you’ll need to take one bus line and 2 RER lines: take the 1224 bus from Osny Gare Sncf station to Gare de Cergy Saint-Christophe RER station. Next, you’ll have to switch to the A RER and finally take the A RER from Nanterre Préfecture station to Chatou - Croissy station. The total trip duration for this route is approximately 1 hr 13 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.

73min
Walk to bus station
Bus - 12241224
RER - A
RER - A
RER - A
RER - A
Walk to Chatou
Leaves from Osny Gare Sncf

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Osny Gare Sncf
    90 m • 2 min
  • 2
    Bus - 12241224
    Wait for bus
    1224
    Gare de Cergy Saint-Christophe RER
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Cergy Saint-Christophe RER
    9 min
  • 4
    Walk to RER station
    Walk to RER station
    Cergy Saint-Christophe
    30 m • 1 min
  • 5
    RER - A
    Wait for RER
    A
    Marne-La-Vallée Chessy
  • 6
    Ride to RER station
    Ride to RER station
    Nanterre Préfecture
    29 min
  • 7
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 8
    Ride to RER station
    Ride to RER station
    Chatou - Croissy
    9 min
  • 9
    Walk to Chatou
    Walk to
    Chatou
    610 m • 8 min
*Duration based on 8am traffic

Questions & Answers

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

    The fastest way takes 76 minutes, using Bus line 1206, RER line A, RER line A.

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

    The alternative route takes 73 minutes, using Bus line 1224, RER line A, RER line A.

  • Is there a direct bus between Osny and Chatou?

    No, you’ll have to take one bus line and 2 RER lines in total. The total travelling time is 1 hr 16 min.

  • Which bus line goes from Osny to Chatou?

    The 1206 bus line goes from Osny Gare Sncf station near Osny in Osny to Cergy Le Haut RER station. From there you’ll have to take 2 RER lines till Cergy Le Haut RER station near Chatou.

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

    The total travel time between Osny and Chatou by bus and RER is about 1 hr 16 min.

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

    Get on the 1206 bus from the Osny Gare Sncf stop near Osny in Osny.

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

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

Popular Routes