- Must visit
Schifffahrtsmuseum
Maritime museum on the harbour covering seafaring, rum trade and port history. A strong starting point for understanding Flensburg's identity.
The best way to find a cheap train ticket from Sønderborg to Flensburg is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Sønderborg to Flensburg will cost around £16 if you buy it on the day, but you can find cheap train tickets today for only £15.
On Mon 02 Nov, we found 2 trains from Sønderborg to Flensburg, including 2 direct services.
These direct trains cover the 27 km distance in an average of 1 h 9 m but if you time it right, some trains will get you there in just 1 h 9 m .
The slowest trains will take 1 h 9 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

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Trains from Sønderborg to Flensburg run on average 5 times per day, taking around 59m. Cheap train tickets for this journey start at £11 but you can travel from only £8 by coach.
The earliest train runs at 04:40, the last at 23:31. The fastest train covers the 27 km distance in 56m.
Distance 27 km |
Average train duration 59m |
Cheapest ticket price £11 |
Trains per day 5 |
Fastest train 56m |
First train 4:40 |
Last train 23:31 |
Cheapest Month Apr |
Cheapest Day Wed |
High Season Jul - Sept |
Low Season Jan - Mar |
Busiest Day Sun |
Least Busy Day Mon |
Best time to book 2 days |
Use these quick route answers to check fares, travel time, departure options, and direct services before booking from Sønderborg to Flensburg.
The table below shows live departures for Sønderborg to Flensburg trains for today, Sunday 1 November. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 8:44 Sønderborg | 1h30 | 10:14 Flensburg | 0 changesdirect | |
![]() | 9:44 Sønderborg | 1h30 | 11:14 Flensburg | 0 changesdirect | |
![]() | 15:44 Sønderborg | 1h09 | 16:53 Flensburg | 0 changesdirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Review the details behind your booking, from operators and ticket rules to luggage, onboard amenities, accessibility, and route-specific travel policies.
Discover the best of Flensburg — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Flensburg trip today.
Maritime museum on the harbour covering seafaring, rum trade and port history. A strong starting point for understanding Flensburg's identity.
Museum devoted to artist Hans Christiansen, showing Art Nouveau works and local cultural history in a compact historic setting.
Natural history museum with regional geology, wildlife and changing displays. Good for families and visitors interested in Schleswig-Holstein's landscapes.
Historic pedestrian street lined with gabled houses, shops and courtyards. It is one of the best places to feel Flensburg's old merchant character.
Harbour promenade with boats, museums and fjord views. Ideal for an easy walk that links maritime sights with the town centre.
Lively square in the old town, framed by historic buildings and St. Marienkirche. A practical stop for markets, people-watching and short walks.
A robust North German kale dish simmered and served with sausages and pork. It is a cold-season staple across Schleswig-Holstein.
Soused herring in a tangy marinade, often with onions. A classic coastal dish linked to Flensburg’s Baltic and North Sea fishing traditions.
Pan-fried Baltic herring, usually served with fried potatoes or potato salad. It is a simple, traditional fish dish common in northern port towns.
Casual waterfront spot popular for fish sandwiches, fresh seafood and harbour views. Ideal for an easy local lunch.
Well-known seafood restaurant at the harbour serving fish classics and maritime specialities in a polished but relaxed setting.
Established restaurant focusing on refined regional cooking with seasonal ingredients in an elegant, quieter dining room.
Moderate for Germany: hotels and dining are mid-priced, while local buses and casual meals stay fairly affordable for visitors.
Service is usually included, but it is customary to round up or add 5-10% in restaurants. Round up for taxis; small change is fine in cafés.
Official public transport app
Flensburg Bahnhof -> ZOB Flensburg
Get destination-focused answers for the end of your trip, including what to do, when to go, practical entry details, and tips for making the most of your time in Flensburg.
Find answers to the most common questions about traveling from Sønderborg to Flensburg by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at Flensburg, this guide helps you travel smarter and with confidence.

Most Sønderborg to Flensburg trains use the Sønderborg St. to Flensburg station pair. Use this guide to compare Sønderborg and Flensburg train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Sønderborg St. is 1 km from Sønderborg city centre. Public transport options include:
Sønderborg St. has practical services for this route, including Wifi, Lockers, Parking, Dining, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Information Desk and Luggage Carts.
Food options include: Restaurant Colosseum, Bella Italia
Free.
Ticket office support is available at Sønderborg St.. Information desks are located in the main hall.
Luggage storage is available at Sønderborg St.. Lost and found is available at the station.
Available at Sønderborg St.: Parking, Taxis, WC.
Available at Sønderborg St.: Bike Parking.
Accessibility facilities are available at Sønderborg St.: Ramps.
Nearby hotels include Hotel Sønderborg Strand, Scandic Sønderborg, Hotel 6400.
Flensburg is 1 km from Flensburg city centre. Public transport options include:
Flensburg has practical services for this route, including Wifi, Lockers, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, Car Rental and Information Desk.
Food options include: Kontraste, St. Knudsborg, Klosterbäckerei, Ariana
Wi-Fi is available at Flensburg. ATMs are available at Flensburg.
Ticket office support is available at Flensburg. Information desks are available at Flensburg.
Luggage storage is available at Flensburg. Lost and found is available at the station.
Available at Flensburg: Parking, Taxis, WC.
Available at Flensburg: Bike Parking, Bike Rental, Car Rental.
Accessibility facilities are available at Flensburg.
Nearby hotels include Hotel am Rathaus.
Check train stations information for Sønderborg and Flensburg, including where trains depart and arrive on this route.
Here are some other resources that might have the information you need