The cheapest and fastest trains from Sønderborg to Flensburg
Cheapest price
£13
Average price
£15
Fastest journey
1 h 9 m
Average duration
1 h 17 m
Trains per day
5
Distance
27 km
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 £15 if you buy it on the day, but you can find cheap train tickets today for only £13.
To travel from Sønderborg to Flensburg you need to make at least one change.
ICL 50934 · IC 5757 · Bus ROED
ICL 50950 · IC 5761 · Bus ROED
ICL 50926 · IC 5755
ICL 50942 · IC 5759
ICL 50958 · IC 5763
ICL 50926 · IC 5755
ICL 50942 · IC 5759
ICL 50958 · IC 5763
ICL 50934 · IC 5757 · Bus ROED
ICL 50950 · IC 5761 · Bus ROEDTravel Information
Compare train and coach for Sønderborg to Flensburg
Omio recommends booking the train as it is the most popular option from Sønderborg to Flensburg among Omio's users. If you are prioritising price take the coach with prices starting from £8. For those with little time consider booking a coach which can get you there in 48m. The ticket price range depends on the travel mode: a coach costs an average of £8, and a train costs an average of £13.
Distance: 27 km
Compare train with
Most popular Train | Coach |
|---|---|
£20 Average Price | £9 Average Price Cheapest |
1h 27m Average total duration 57m Onboard + 30m Additional time* | 1h 18m Average total duration Fastest 48m Onboard + 30m Additional time* |
![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options |
Live departures
Sønderborg to Flensburg train times
The table below shows live departures for Sønderborg to Flensburg trains for today, Friday 20 March. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 15:44 Sønderborg | 1h09 | 16:53 Flensburg | 0 changesdirect | |
![]() | 15:45 Sønderborg | 1h08 | 16:53 Flensburg | 0 changesdirect | |
| Saturday 21 March | |||||
ICL 50926 · IC 5755 | On time 07:44 Sønderborg Station | 1h09 | 08:53 Flensburg station | 1 change | |
ICL 50934 · IC 5757 · Bus ROED | 09:44 Sønderborg Station | 1h30 | 11:14 Flensburg station | 2 changes | |
ICL 50942 · IC 5759 | On time 11:44 Sønderborg Station | 1h09 | 12:53 Flensburg station | 1 change | |
ICL 50950 · IC 5761 · Bus ROED | 13:44 Sønderborg Station | 1h30 | 15:14 Flensburg station | 2 changes | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Sønderborg to Flensburg by train or coach
Compare train and coach 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.
21 Mar
22 Mar
23 Mar
24 Mar
25 Mar
26 Mar
27 Mar
Why should you book Sønderborg to Flensburg trains with Omio?
Why book with Omio vs Deutsche Bahn?
- Compare with other providers: On Omio, you can not only buy tickets for Deutsche Bahn, but also compare tickets for the likes of Danish Railways (DSB) to find the best option for your trip from Sønderborg to Flensburg.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare Deutsche Bahn with all available travel options, which are train and bus to ensure you get the best deal for traveling from Sønderborg to Flensburg.
Why book with Omio over Trainline or Wanderu?
- Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Sønderborg to Flensburg.
Journey information
Overview: Train from Sønderborg to Flensburg
Trains from Sønderborg to Flensburg run on average 5 times per day, taking around 57m. Cheap train tickets for this journey start at £13 but you can travel from only £8 by coach.
The earliest train runs at 04:09, the last at 23:31. The fastest train covers the 27 km distance in 1h 8m.
Distance 27 km |
Average train duration 57m |
Cheapest ticket price £13 |
Trains per day 5 |
Fastest train 1h 8m |
First train 04:09 |
Last train 23:31 |
Train companies: Deutsche Bahn, Danish Railways (DSB) from Sønderborg to Flensburg trainsDeutsche Bahn, Danish Railways (DSB) trains will get you between Sønderborg and Flensburg from £8. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Deutsche Bahn
A Bordrestaurant (restaurant car) where you can sit and eat.
A Bordbistro (bistro bar) with snacks, hot meals, and drinks to-go.
At-seat service in 1st class: staff will take your order and serve food/drinks directly to your seat.
Regional trains (RE / RB / S-Bahn):
No onboard catering.
You’re welcome to bring your own food and drinks.
Not included by default.
You can add a seat reservation when booking (recommended for busy routes).
Costs around €4.90 per seat (or €5.90 if booked separately later).
First Class:
Yes, always included in the ticket price.
Allowed for free if they can fit in a transport box (max. size: hand luggage).
Must stay in the box for the entire journey.
Large dogs:
Require a separate (paid) ticket — typically half the price of a regular second-class ticket.
Must be leashed and wear a muzzle while on the train.
Cannot sit on seats.
Assistance dogs:
Travel free of charge.
Do not need a muzzle or leash if medically not required.
Allowed to accompany the passenger at all times.
Danish Railways (DSB)
FAQs: Sønderborg to Flensburg train
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.

popular train stations
Important Stations and Airports in Sønderborg and Flensburg
- 6:00 AM - 8:00 PM Monday - Friday
- 8:00 AM - 4:00 PM Saturday - Sunday
- Free
- The car park is open 7 days a week, 24 hours. Access via Jernbanegade.
- Restaurant Colosseum
- Bella Italia
- Outside the main entrance.
- Ramps.
- DKK 5
- Hotel Sønderborg Strand
- Scandic Sønderborg
- Hotel 6400
- Located in the main hall
- Located in the main hall
- Free
- Hall 1: main entrance, platforms for regional and intercity trains
- Bus: Several lines available
- Taxi: Available outside the main entrance
- Monday: 06:00 - 20:00
- Tuesday: 06:00 - 20:00
- Wednesday: 06:00 - 20:00
- Thursday: 06:00 - 20:00
- Friday: 06:00 - 20:00
- Saturday: 07:30 12:45 - 12:15 15:30
- Kontraste
- St. Knudsborg
- Klosterbäckerei
- Ariana
- Hotel am Rathaus
More options for your journey from Sønderborg to Flensburg
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