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Train Flensburg ↔ Siegen

Travel smart, spend less

Train tickets starting from just €6.99.

Guaranteed Seat

No standing, no stress. Every FlixTrain ticket comes with a guaranteed seat reservation.

Fast & convenient

FlixTrain gets you there quicker than you think. Where to next?

Go together

Why adding another car on the road when you can choose collective travel instead?

What to expect of your trip

Fast, easy, and affordable options from Flensburg to Siegen

Min. trip duration

8 hr 29 mins

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Min. distance

726 km

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Cheapest trip

From 66,98 €

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2

Min. trips a day

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On this page

Train stations in Flensburg

Please note: your ticket will contain the most up-to-date address information.

Onboard services are subject to availability

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You can book a Flensburg to Siegen train on the FlixTrain app or at flixtrain.de. Just enter your departure and destination, pick a travel date, and select your train. The app also stores your ticket so you have it ready to go.
Train tickets from Flensburg to Siegen start from 66,98 €. Prices vary by travel date and demand, so booking early usually gets you the best fare.
No, you don't need to print your ticket. After booking your train from Flensburg to Siegen, you'll receive a confirmation email with a QR code. You can show this on your phone or in the FlixTrain app when boarding.
Yes, use the real-time tracker to check the status of your train from Flensburg to Siegen. Enter your station or booking number to see live updates.
Every ticket for the train from Flensburg to Siegen includes a guaranteed seat. You can also upgrade to a preferred seat during the booking process, availability and fees vary by route. Visit the seat reservations page for details.
FlixTrain offers several secure payment methods including card payments, PayPal, Google Pay and more. You'll see all available options at checkout when booking your train from Flensburg to Siegen. If you need help, visit our help page.
Book early and be flexible with your travel dates for the best fares on the train from Flensburg to Siegen, with tickets starting from 66,98 €. Midweek and off-peak trains tend to be cheaper. Book at flixtrain.de or on the FlixTrain app.
Yes, you can take your bike on the train from Flensburg to Siegen by reserving a bike space during booking. For details on availability and pricing, visit our bike transport page.
Your ticket for the train from Flensburg to Siegen includes one carry-on bag and one checked bag. For additional or special luggage options, visit our luggage page.
Yes, trains from Flensburg to Siegen are wheelchair accessible, and we offer free transport for wheelchairs, walking aids and other mobility aids. Assistance dogs travel free — just contact customer service at least 36 hours before departure to add them to your booking. For full details, visit our reduced mobility page.
Yes, trains from Flensburg to Siegen have free Wi-Fi. Power outlets are available onboard, though availability may vary by seat. We recommend bringing a charger for longer journeys.
Trains from Flensburg to Siegen offer free Wi-Fi, a guaranteed seat, power outlets and toilets onboard. For more details, visit our onboard services page.
We recommend arriving at the station in Flensburg at least 15 minutes before your train to Siegen is scheduled to depart.
There are 2 daily train departures from Flensburg. The first train departs at 06:17 and the last at 14:17. Check flixtrain.de for the latest timetable.
The first train from Flensburg to Siegen departs at 06:17. We recommend booking early for the best fares.
The last train from Flensburg to Siegen departs at 14:17. Check flixtrain.de for the latest timetable.
There are 2 daily trains from Flensburg to Siegen. The first departs at 06:17 and the last at 14:17.
The train from Flensburg to Siegen takes as little as 8 hours 29 minutes. Travel time can vary depending on the service, so check exact times when booking at flixtrain.de.

Looking for train tickets from Flensburg to Siegen?

Look no further, we’ve got all the details you need to plan your trip! The journey Flensburg to Siegen takes as little as 8 hours 29 minutes and can cost as little as 66,98 €. The first train leaves at 06:17 and the last train leaves at 14:17. FlixTrain runs 2 rides each day between Flensburg and Siegen and when travelling with FlixTrain, you can expect free Wifi, power sockets and a guaranteed seat for your journey.