The average train between Brussels and Flensburg takes 10h 49m and the fastest train takes 9h 7m. The train service runs several times per day from Brussels to Flensburg. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 4 hours between Brussels and Flensburg. The earliest departure is at 6:31 AM in the morning, and the last departure from Brussels is at 8:34 PM which arrives into Flensburg at 9:41 AM. All services require a transfer at Köln Hbf and take an average of 10h 49m. The schedules shown below are for the next available departures.


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9h 7m • 2 changesWant to know about travelling from Brussels to Flensburg? 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 train from Brussels to Flensburg. However, there are services departing from Brussels station and arriving at Flensburg station via Koeln Hbf. The journey, including transfers, takes approximately 10h 49m.
Brussels to Flensburg train services, operated by Deutsche Bahn Intercity (DB IC), depart from Brussels-Nord station.
Brussels to Flensburg train services, operated by Deutsche Bahn Intercity (DB IC), arrive at Flensburg station.
Book your Brussels to Flensburg train tickets online with Deutsche Bahn Intercity (DB IC) and Deutsche Bahn Regio (DB Regional).
The distance between Brussels and Flensburg is 555 km. The road distance is 826 km.
You can take a train from Brussels-Nord to Flensburg via Köln Hbf and Hamburg Hbf in around 8h 49m.