The average bus between Lieusaint and Trappes takes 3h 5m and the fastest bus takes 2h 18m. There is a bus service every few hours from Lieusaint to Trappes. 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 Lieusaint and Trappes. The earliest departure is at 5:25 AM in the morning, and the last departure from Lieusaint is at 9:01 PM which arrives into Trappes at 12:05 AM. All services require a transfer at Gare du Bras de Fer and take an average of 3h 5m. The schedules shown below are for the next available departures.



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3h 12m • 3 changesWant to know about travelling from Lieusaint to Trappes? 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 Lieusaint to Trappes. However, there are services departing from Gare du Bras de Fer - Évry Génopôle station and arriving at Saint-Quentin - Gare Routière des Prés station via Hôpital Paris-Saclay station. The journey, including transfers, takes approximately 3h 5m.
Lieusaint to Trappes bus services, operated by Paris-Saclay Mobilités, depart from Gare du Bras de Fer - Évry Génopôle station.
Lieusaint to Trappes bus services, operated by Lignes Île-de-France Ouest, arrive at Saint-Quentin - Gare Routière des Prés station.
The distance between Lieusaint and Trappes is 42.2 km. The road distance is 51 km.
You can take a bus from Gare de Lieusaint - Moissy to Chambre de Commerce et d'Industrie via Gare du Bras de Fer, Gare du Bras de Fer - Évry Génopôle, Hôpital Paris-Saclay, Saint-Quentin - Gare Routière des Prés, and Saint-Quentin - Souterrain quai J in around 3h 15m.