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Train Heidelberg ↔ Flensburg

Travel smart, spend less

Train tickets starting from just €4.99*.

Guaranteed Seat

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

Fast & convenient

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Better for the planet

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What to expect of your trip

Fast, easy, and affordable options from Heidelberg to Flensburg

Avg. trip duration

13 hr 56 mins

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Avg. distance

1032 km

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Cheapest trip

From 84,98 €

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3

Avg. trips a day

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On this page

Train stations in Heidelberg

Please note: your ticket will contain the most up-to-date address information.
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Vehicle passing through a city

Yes, we offer free Wi-Fi on board all FlixTrain trains from Heidelberg to Flensburg. You can easily connect to our Wi-Fi network to stay connected during your journey.
It's easy to book a train ticket from Heidelberg to Flensburg with FlixTrain. Just choose your departure and arrival cities, pick your travel date, and click search. For the best prices, we suggest downloading the free FlixTrain App, which lets you keep your ticket handy all the time.
Booking a ticket on FlixTrain to travel from Heidelberg to Flensburg is easy! You will receive a PDF booking confirmation via email that includes a QR code that serves as your train ticket. If you use the FlixTrain App to book your ticket, it will be saved there automatically, making it easily accessible.
Keep tabs on your FlixTrain journey from Heidelberg to Flensburg using our Real-Time Train Tracker Tool. Just enter your booking number or departure/arrival cities, and you'll instantly know the status of your ride.
When you buy a train ticket for your journey from Heidelberg to Flensburg with FlixTrain, we will always assign you a seat for free, ensuring that your travel experience is comfortable and stress-free.
You can choose from a variety of secure payment methods to purchase your ticket from Heidelberg to Flensburg with FlixTrain. These methods include card payments, Paypal, Google Pay, and more. Once you reach the payment section during checkout, you can easily view all available options and select the one that suits you best. If you face any payment issues, check out our payment help page.
Planning a trip from Heidelberg to Flensburg with FlixTrain? You don't need to worry about luggage restrictions, as your ticket includes one carry-on bag and one checked bag. For any extra or unique luggage, please see our luggage page.
If you have a disability or limited mobility, FlixTrain can help make your journey from Heidelberg to Flensburg as comfortable and stress-free as possible. Our trains are equipped with wheelchair-accessible facilities and our staff are trained to assist passengers who need it. To learn more about our services for passengers with reduced mobility, please visit our helpful guide.
We are committed to making our FlixTrain services accessible to everyone, including passengers with disabilities and limited mobility. All trains from Heidelberg to Flensburg are wheelchair accessible and we provide free transportation for wheelchairs, walking aids, and other assistive mobility devices. For more information on booking tickets with disabilities, please visit this page.
If you are traveling with a guide dog from Heidelberg to Flensburg with FlixTrain, we offer a free service for adding your guide dog to the booking. Simply book your ticket as usual and contact our customer service no later than 36 hours before your scheduled departure.
When traveling from Heidelberg to Flensburg with FlixTrain, you can enjoy a comfortable journey with access to free Wi-Fi, guaranteed seating, private outlets, and restrooms on most of our trains.
Please ensure that you arrive at least 15 minutes before your scheduled departure time for the train to Flensburg. This will allow you enough time to board the train and get settled in your seat before the train departs.

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Onboard services are subject to availability