- Must visit
Sønderborg Slot
The castle museum presents royal rooms, regional history, and artefacts linked to Schleswig and Sønderborg.
Cheapest price on 18 Sept
£16
Average ticket price on 18 Sept
£16
Fastest journey on 18 Sept
1 h 32 m
Average journey duration on 18 Sept
1 h 32 m
Trains on 18 Sept
5
Distance
27 km
The best way to find a cheap train ticket from Flensburg to Sønderborg is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Flensburg to Sønderborg will cost around £16 if you buy it on the day, but you can find cheap train tickets today for only £16.
To travel from Flensburg to Sønderborg you need to make at least one change.
IC 5758 · ICL 60943
IC 5756 · ICL 60935
IC 5754 · ICL 60927
IC 5752 · ICL 60919
IC 5750 · ICL 60911
IC 5758 · ICL 60943
IC 5754 · ICL 60927
IC 5752 · ICL 60919
IC 5750 · ICL 60911
IC 5756 · ICL 60935Omio recommends booking the train as it is the most popular option from Flensburg to Sønderborg among Omio's users. If you are prioritising price, take the coach, with an average ticket price of £11 For those with little time, consider booking a coach, which has an average total journey time of 1h 12m. Average ticket prices depend on the travel mode: a coach costs an average of £11, while a train costs an average of £16.
Distance: 27 km
Most popular Train | Coach | Driving |
|---|---|---|
£16 Average Price | £11 Average Price Cheapest | £7 Average Price (fuel + tolls) |
1h 31m Average total duration 1h 1m Onboard + 30m Additional time* | 1h 12m Average total duration Fastest 42m Onboard + 30m Additional time* | 43m Average total duration (door-to-door) |
![]() Most popular train company | ![]() Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Flensburg to Sønderborg:
A coach is £5 less than a train for this route with tickets for a train from Flensburg to Sønderborg costing on average £16.
Other travel options to Sønderborg take longer:
Train takes on average 1h 1m.
Tickets start at around £16 compared to roughly £7 in fuel and tolls — a saving of about £-9.04. The journey takes 1h 1m versus 43m by car, so you'll arrive a bit later, but you can work, read, or sleep along the way rather than spending the time behind the wheel. You'll also save the hassle of parking at the other end.
Driving is worth it if you're on a tight schedule, travelling as a group, or want to stop somewhere en route.
The table below shows live departures for Flensburg to Sønderborg trains for today, Thursday 17 September. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
IC 5750 · ICL 60911 | On time 6:05 Flensburg station | 1h32 | 7:37 Sønderborg Station | 1 change | |
IC 5752 · ICL 60919 | On time 8:05 Flensburg station | 1h32 | 9:37 Sønderborg Station | 1 change | |
IC 5754 · ICL 60927 | On time 10:05 Flensburg station | 1h32 | 11:37 Sønderborg Station | 1 change | |
IC 5756 · ICL 60935 | On time 12:03 Flensburg station | 1h34 | 13:37 Sønderborg Station | 1 change | |
IC 5758 · ICL 60943 | On time 14:05 Flensburg station | 1h32 | 15:37 Sønderborg Station | 1 change | |
IC 5760 · ICL 60951 | On time 16:05 Flensburg station | 1h32 | 17:37 Sønderborg Station | 1 change | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare coach and train prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Trains from Flensburg to Sønderborg run on average 5 times per day, taking around 1h 1m. Cheap train tickets for this journey start at £14 but you can travel from only £8 by coach.
The earliest train runs at 04:26, the last at 22:51. The fastest train covers the 27 km distance in 1h 7m.
Distance 27 km |
Average train duration 1h 1m |
Cheapest ticket price £14 |
Trains per day 5 |
Fastest train 1h 7m |
First train 4:26 |
Last train 22:51 |
Cheapest Month Jul |
Cheapest Day Wed |
High Season Jul - Sept |
Low Season Jan - Mar |
Busiest Day Sat |
Least Busy Day Tue |
Best time to book 14 days |
Discover the best of Sønderborg — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Sønderborg trip today.
The castle museum presents royal rooms, regional history, and artefacts linked to Schleswig and Sønderborg.
An immersive history centre explaining the 1864 war through films, exhibits, and the nearby battlefield landscape.
A compact museum in the historic windmill, focusing on the 1864 conflict and the site’s symbolic role in Danish history.
The redeveloped harbour promenade is ideal for walking, with cafés nearby, modern architecture, and views of the bridge and water.
A central pedestrian street lined with shops and historic buildings, useful for exploring the old town on foot.
A scenic forest area with walking paths, coastal viewpoints, and easy access to beaches and quieter parts of the island.
A South Jutland coffee table tradition with many homemade cakes and buns, served at celebrations and cafés. It reflects the region’s strong baking culture.
A rich layered cake from Southern Jutland, often baked with butter and sugar. It is a classic regional treat linked to festive coffee tables.
A traditional apple dessert of stewed apples, toasted breadcrumbs and whipped cream. It is a familiar Danish home-style sweet found across the region.
Waterside restaurant in the marina area serving modern Danish and European dishes in a polished yet relaxed setting.
Established brasserie-style venue near the harbour, known for classic Danish dishes, steaks and an easy-going atmosphere.
Hotel restaurant with sea views, offering Nordic and Danish cooking in a calm, contemporary dining room.
Moderate for Denmark. Hotels and dining are pricier than many European towns, but local buses and casual meals are manageable for most visitors.
Service is usually included. Rounding up is appreciated in restaurants and taxis for good service; tipping in cafés is optional.
Official public transport app
Sønderborg Station -> Rådhustorvet, Sønderborg
Find answers to the most common questions about traveling from Flensburg to Sønderborg 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 Sønderborg, this guide helps you travel smarter and with confidence.

Most Flensburg to Sønderborg trains use the Flensburg to Sønderborg St. station pair. Use this guide to compare Flensburg and Sønderborg train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
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.
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.
Here are some other resources that might have the information you need