The average train between Flensburg and Cologne takes 6h 50m and the fastest train takes 6h 28m. There is a train service every few hours from Flensburg to Cologne. 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 hourly between Flensburg and Cologne. The earliest departure is at 4:17 AM at night, and the last departure from Flensburg is at 9:17 PM which arrives into Cologne at 8:48 AM. All services require a transfer, and take on average 6h 50m. The schedules shown below are for the next available departures.

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6h 29m • 1 changeWant to know about travelling from Flensburg to Cologne? 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 Flensburg to Cologne. However, there are services departing from Flensburg station and arriving at Köln Hbf station via Hamburg Hbf station. The journey, including transfers, takes approximately 6h 50m.
Flensburg to Cologne train services, operated by Deutsche Bahn Regio (DB Regional), depart from Flensburg station.
Flensburg to Cologne train services, operated by Deutsche Bahn Intercity (DB IC), arrive at Köln Hbf station.
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The distance between Flensburg and Cologne is 459.6 km. The road distance is 570 km.
You can take a train from Flensburg to Köln Hbf via Hamburg Hbf in around 6h 35m.