The average bus between Siegen and Kaiserslautern takes 7h 43m and the fastest bus takes 6h 15m. The bus service runs several times per day from Siegen to Kaiserslautern. 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 twice daily between Siegen and Kaiserslautern. The earliest departure is at 6:50 AM in the morning, and the last departure from Siegen is at 6:20 PM which arrives into Kaiserslautern at 6:15 AM. All services require a transfer, and take on average 7h 43m. The schedules shown below are for the next available departures.

6h 15m • 1 change

7h 25m • 1 change
Arrives next day

11h 55m • 1 change

6h 15m • 1 change

7h 25m • 1 change
Arrives next day

11h 55m • 1 change
Want to know about travelling from Siegen to Kaiserslautern? 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 Siegen to Kaiserslautern. However, there are services departing from Siegen station and arriving at Kaiserslautern station via Frankfurt central train station station. The journey, including transfers, takes approximately 7h 43m.
Siegen to Kaiserslautern bus services, operated by FlixBus, depart from Siegen station.
Siegen to Kaiserslautern bus services, operated by FlixBus, arrive at Kaiserslautern central train station.
Book your Siegen to Kaiserslautern bus tickets online with FlixBus.
The distance between Siegen and Kaiserslautern is 160.2 km. The road distance is 252 km.
You can take a bus from Siegen to Kaiserslautern central train station via Frankfurt central train station in around 4h 55m.