The average train between London and Flensburg takes 15h 8m and the fastest train takes 12h 5m. 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 twice daily between London and Flensburg. The earliest departure is at 7:34 AM in the morning, and the last departure from London is at 8:04 PM which arrives into Flensburg at 3:41 PM. All services require a transfer at Brussel-Zuid / Bruxelles-Midi and take an average of 15h 8m. The schedules shown below are for the next available departures.
Arrives next day



18h 42m • 3 changes
Arrives next day



19h 7m • 3 changes
Arrives next day



19h 37m • 3 changes



13h 7m • 3 changes



13h 5m • 3 changes
Arrives next day



18h 42m • 3 changes
Arrives next day



20h 7m • 3 changes
Want 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 station and arriving at Flensburg station via Brussel-Zuid / Bruxelles-Midi. The journey, including transfers, takes approximately 15h 8m.
London to Flensburg train services, operated by Eurostar, depart from London St Pancras Intl station.
London to Flensburg train services, operated by Eurostar, arrive at Flensburg station.
Book your London to Flensburg train tickets online with Eurostar, Deutsche Bahn Intercity (DB IC) and 2 other operators.
The distance between London and Flensburg is 733.8 km. The road distance is 1,201 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 36m.