The average train between London and Flensburg takes 14h 33m and the fastest train takes 11h 35m. The train service runs several times per day from London 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 5 times a day between London and Flensburg. The earliest departure is at 7:04 AM in the morning, and the last departure from London is at 7:34 PM which arrives into Flensburg at 3:41 PM. All services require a transfer at Brussel-Zuid / Bruxelles-Midi and take an average of 14h 33m. The schedules shown below are for the next available departures.



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14h 37m • 3 changesWant to know about travelling from London 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 London to Flensburg. However, there are services departing from London St Pancras Intl station and arriving at Flensburg station via Brussel-Zuid / Bruxelles-Midi station, Koeln Hbf station and Hamburg Hbf station. The journey, including transfers, takes approximately 14h 33m.
London to Flensburg train services, operated by Eurostar, depart from London St Pancras Intl station.
London to Flensburg train services, operated by Deutsche Bahn Regio (DB Regional), arrive at Flensburg station.
Book your London to Flensburg train tickets online with Omio and 12go.asia.
The distance between London and Flensburg is 733.8 km.
You can take a train from London St Pancras Intl to Flensburg via Brussel-Zuid / Bruxelles-Midi, Köln Hbf, and Hamburg Hbf in around 11h 24m.