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

From Osny to Serris by RER and bus

To get from Osny to Serris 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 2231 bus from Chessy Sud - Quai K station to Lac station. The total trip duration for this route is approximately 2 hr 9 min. The RER and bus schedule from Osny may change. We recommend you check the updated RER and bus schedule to Serris on the Moovit app.

129min
Walk to bus station
Bus - 12061206
RER - A
RER - A
Bus - 22312231
Walk to Serris
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
    Marne-La-Vallée Chessy
    85 min
  • 7
    Walk to bus station
    Walk to bus station
    Chessy Sud - Quai K
    660 m • 9 min
  • 8
    Bus - 22312231
    Wait for bus
    2231
    Villages Nature
  • 9
    Ride to bus station
    Ride to bus station
    Lac
    4 min
  • 10
    Walk to Serris
    Walk to
    Serris
    140 m • 2 min
*Duration based on 8am traffic

Alternative route from Osny to Serris by RER and bus via 1206 and A

To get from Osny to Serris in Paris, take the 1206 bus from Réservoir station to Gare de Cergy Saint-Christophe RER station. Next, take the A RER from Cergy Saint-Christophe station to Marne-La-Vallée Chessy station. The total trip duration for this route is approximately 2 hr 11 min. The RER and bus schedule from Osny may change. We recommend you check the updated RER and bus schedule to Serris on the Moovit app.

131min
Walk to bus station
Bus - 12061206
RER - A
RER - A
Walk to Serris
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
    Marne-La-Vallée Chessy
    85 min
  • 7
    Walk to Serris
    Walk to
    Serris
    1.62 km • 21 min
*Duration based on 8am traffic
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Public transit directions from Osny to Serris

The distance between Osny, Paris and Serris, Paris is approximately 82.04 km, which can typically be travelled in 129 min. Moovit will show you the directions from Osny to Serris 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 Serris

To check the RER and bus schedule from Osny to Serris using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Osny) and destination (Serris), 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 Serris by RER and bus via 1206 and A

To get from Osny to Serris in Paris, take the 1206 bus from Réservoir station to Gare de Cergy Saint-Christophe RER station. Next, take the A RER from Cergy Saint-Christophe station to Marne-La-Vallée Chessy station. The total trip duration for this route is approximately 2 hr 11 min. The RER and bus schedule from Osny may change. We recommend you check the updated RER and bus schedule to Serris on the Moovit app.

131min
Walk to bus station
Bus - 12061206
RER - A
RER - A
Walk to Serris
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
    Marne-La-Vallée Chessy
    85 min
  • 7
    Walk to Serris
    Walk to
    Serris
    1.62 km • 21 min
*Duration based on 8am traffic

Questions & Answers

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

    The fastest way takes 129 minutes, using Bus line 1206, RER line A, Bus line 2231.

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

    The alternative route takes 131 minutes, using Bus line 1206, RER line A.

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

    No, you’ll have to take 2 bus lines and one RER line in total. The total travelling time is 2 hr 9 min.

  • Which bus line goes from Osny to Serris 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 Serris in Paris.

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

    The total travel time between Osny and Serris in Paris by bus and RER is about 2 hr 9 min.

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

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

Popular Routes