How to get from Trappes to Santeny by RER, bus and train?

From Trappes to Santeny by RER, bus and train

To get from Trappes to Santeny in Paris, you’ll need to take one train line, one RER line and one bus line: take the U train from Trappes station to La Défense (Grande Arche) station. Next, you’ll have to switch to the A RER and finally take the 3121 bus from Gare de Boissy-Saint-Léger station to Libération station. The total trip duration for this route is approximately 2 hr 14 min. The RER, bus and train schedule from Trappes may change. We recommend you check the updated RER, bus and train schedule to Santeny on the Moovit app.

134min
Walk to train stationTrain - U
Train - U
RER - A
RER - A
Bus - 31213121
Walk to Santeny
Leaves from Trappes

Step by Step

  • 1
    Walk to train station
    Walk to train station
    Trappes
    1.11 km • 15 min
  • 2
    Train - U
    Wait for train
    U
    La Défense
  • 3
    Ride to train station
    Ride to train station
    La Défense (Grande Arche)
    36 min
  • 4
    RER - A
    Wait for RER
    A
    Boissy-Saint-Léger
  • 5
    Ride to RER station
    Ride to RER station
    Boissy-Saint-Léger
    42 min
  • 6
    Walk to bus station
    Walk to bus station
    Gare de Boissy-Saint-Léger
    70 m • 1 min
  • 7
    Bus - 31213121
    Wait for bus
    3121
    Gare de Verneuil-L'Étang
  • 8
    Ride to bus station
    Ride to bus station
    Libération
    12 min
  • 9
    Walk to Santeny
    Walk to
    Santeny
    150 m • 2 min
*Duration based on 8am traffic

Alternative route from Trappes to Santeny by RER, bus and train via U, A and 451

To get from Trappes to Santeny in Paris, you’ll need to take one train line, one RER line and one bus line: take the U train from Trappes station to La Défense (Grande Arche) station. Next, you’ll have to switch to the A RER and finally take the 451 bus from Gare de Boissy-Saint-Léger station to Libération station. The total trip duration for this route is approximately 2 hr 33 min. The RER, bus and train schedule from Trappes may change. We recommend you check the updated RER, bus and train schedule to Santeny on the Moovit app.

153min
Walk to train stationTrain - U
Train - U
RER - A
RER - A
Bus - 451451
Walk to Santeny
Leaves from Trappes

Step by Step

  • 1
    Walk to train station
    Walk to train station
    Trappes
    1.11 km • 15 min
  • 2
    Train - U
    Wait for train
    U
    La Défense
  • 3
    Ride to train station
    Ride to train station
    La Défense (Grande Arche)
    36 min
  • 4
    RER - A
    Wait for RER
    A
    Boissy-Saint-Léger
  • 5
    Ride to RER station
    Ride to RER station
    Boissy-Saint-Léger
    42 min
  • 6
    Walk to bus station
    Walk to bus station
    Gare de Boissy-Saint-Léger
    100 m • 2 min
  • 7
    Bus - 451451
    Wait for bus
    451
    Eden
  • 8
    Ride to bus station
    Ride to bus station
    Libération
    36 min
  • 9
    Walk to Santeny
    Walk to
    Santeny
    150 m • 2 min
*Duration based on 8am traffic
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Public transit directions from Trappes to Santeny

The distance between Trappes, Paris and Santeny, Paris is approximately 67.04 km, which can typically be travelled in 134 min. Moovit will show you the directions from Trappes to Santeny by RER, bus and train, so no matter how you choose to travel in Paris – you will always have plenty of easy options.

RER, Bus And Train schedule from Trappes to Santeny

To check the RER, bus and train schedule from Trappes to Santeny using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Trappes) and destination (Santeny), then select the desired date and time of travel. Moovit will show all available RER, bus and train routes, estimated travel times, and any required transfers. You can view detailed departure and arrival times for each RER, bus and train, 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, bus and train schedules.

Related Routes

Alternative route from Trappes to Santeny by RER, bus and train via U, A and 451

To get from Trappes to Santeny in Paris, you’ll need to take one train line, one RER line and one bus line: take the U train from Trappes station to La Défense (Grande Arche) station. Next, you’ll have to switch to the A RER and finally take the 451 bus from Gare de Boissy-Saint-Léger station to Libération station. The total trip duration for this route is approximately 2 hr 33 min. The RER, bus and train schedule from Trappes may change. We recommend you check the updated RER, bus and train schedule to Santeny on the Moovit app.

153min
Walk to train stationTrain - U
Train - U
RER - A
RER - A
Bus - 451451
Walk to Santeny
Leaves from Trappes

Step by Step

  • 1
    Walk to train station
    Walk to train station
    Trappes
    1.11 km • 15 min
  • 2
    Train - U
    Wait for train
    U
    La Défense
  • 3
    Ride to train station
    Ride to train station
    La Défense (Grande Arche)
    36 min
  • 4
    RER - A
    Wait for RER
    A
    Boissy-Saint-Léger
  • 5
    Ride to RER station
    Ride to RER station
    Boissy-Saint-Léger
    42 min
  • 6
    Walk to bus station
    Walk to bus station
    Gare de Boissy-Saint-Léger
    100 m • 2 min
  • 7
    Bus - 451451
    Wait for bus
    451
    Eden
  • 8
    Ride to bus station
    Ride to bus station
    Libération
    36 min
  • 9
    Walk to Santeny
    Walk to
    Santeny
    150 m • 2 min
*Duration based on 8am traffic

Questions & Answers

  • What is the fastest way to get from Trappes to Santeny?

    The fastest way takes 134 minutes, using Train line U, RER line A, Bus line 3121.

  • What is the alternative route to get from Trappes to Santeny?

    The alternative route takes 153 minutes, using Train line U, RER line A, Bus line 451.

  • Is there a direct train between Trappes and Santeny in Paris?

    No, you’ll have to take one train line, one RER line and one bus line in total. The total travelling time is 2 hr 14 min.

  • Which train line goes from Trappes to Santeny in Paris?

    The U train line goes from Trappes station near Trappes to La Défense station. From there you’ll have to take one RER line and one bus line till La Défense station near Santeny in Paris.

  • How long does it take to travel from Trappes to Santeny in Paris by train, RER and bus?

    The total travel time between Trappes and Santeny in Paris by train, RER and bus is about 2 hr 14 min.

  • Where do I get on the train near Trappes to get to Santeny in Paris?

    Get on the U train from the Trappes station near Trappes in Paris.

  • Where do I get off the train when travelling between Trappes and Santeny in Paris?

    Get off the train at the La Défense stop, which is closest to Santeny in Paris.

Popular Routes