The average bus between Trappes and Saclay takes 54 min and the fastest bus takes 45 min. There is an hourly bus service from Trappes to Saclay. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Trappes and Saclay. The earliest departure is at 5:16 AM in the morning, and the last departure from Trappes is at 10:16 PM which arrives into Saclay at 11:01 PM. All services require a transfer at Place Claudel and take an average of 54 min. The schedules shown below are for the next available departures.

46 min • 1 change
1h 3m • 1 change
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1h 4m • 1 change
50 min • 1 change
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48 min • 1 change
50 min • 1 change
1h • 1 change
50 min • 1 change
48 min • 1 change
50 min • 1 change
1h • 1 change
50 min • 1 change
48 min • 1 change
54 min • 1 change
54 min • 1 change
54 min • 1 change
52 min • 1 change
50 min • 1 change
1h • 1 change
50 min • 1 change
48 min • 1 changeWant to know about travelling from Trappes to Saclay? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Trappes to Saclay. However, there are services departing from Lycée Émilie de Breteuil station and arriving at La Martinière station via La Martinière station. The journey, including transfers, takes approximately 54 min.
Trappes to Saclay bus services, operated by Lignes Île-de-France Ouest, depart from Lycée Émilie de Breteuil station.
Trappes to Saclay bus services, operated by Lignes Île-de-France Ouest, arrive at La Martinière station.
The distance between Trappes and Saclay is 12.3 km. The road distance is 15 km.
Lignes Île-de-France Ouest operates a bus from Lycée Émilie de Breteuil to La Martinière hourly. Tickets cost €2–3 and the journey takes 33 min.