- Must visit
Sønderborg Castle Museum
Main regional museum inside Sønderborg Castle, covering borderland history, warfare, and culture in a major historic setting.
The best way to find a cheap train ticket from Kastrup to Sønderborg is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Kastrup to Sønderborg will cost around $85 if you buy it on the day, but the cheapest tickets can be found for only $85.
On Thu, Nov 05, we found 2 trains from Kastrup to Sønderborg, including 2 direct services.
On Thu, Nov 05 the direct trains cover the 194 km distance in an average of 4 h 28 m but if you time it right, some trains will get you there in just 3 h 48 m .
On Thu, Nov 05 the slowest trains will take 5 h 7 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 Kastrup to Sønderborg run on average 4 times per day, taking around 4h 37m. Cheap train tickets for this journey start at $76 (€64) but you can travel from only $40 (€33) by bus.
There are 2 trains per day. The earliest train runs at 02:21, the last at 23:37. The fastest train covers the 120 miles (194 km) distance in 4h 10m.
Plan this route
Use these quick route answers to check fares, travel time, departure options, and direct services before booking from Kastrup to Sønderborg.
The table below shows live departures for Kastrup to Sønderborg trains for today, Wednesday, November 4. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 7:26 PM Kastrup | 3h46 | 11:12 PM Sønderborg St. | 1 transfer | |
![]() | 8:26 PM Kastrup | 5h01 | 1:27 AM Sønderborg St. | 1 transfer | |
| Thursday, November 5 | |||||
![]() | 7:24 AM Kastrup | 3h48 | 11:12 AM Sønderborg | 0 transfersDirect | |
![]() | 8:05 AM Kastrup | 5h07 | 1:12 PM Sønderborg | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Trains from Kastrup to Sønderborg with DSB and CFL. Use the details below to compare onboard facilities.
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 Sønderborg — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Sønderborg trip today.
Main regional museum inside Sønderborg Castle, covering borderland history, warfare, and culture in a major historic setting.
Living-history museum on the 1864 battlefield with reconstructed positions, exhibitions, and demonstrations about the war.
Small mill museum explaining milling, local life, and the mill's symbolic role in Danish national history.
Lively harbor promenade with cafés nearby, marina views, bridges, and one of the best walking stretches in central Sønderborg.
Historic battlefield landscape with open paths and far-reaching views, ideal for walking while learning local history.
Compact old town area with cobbled lanes, historic houses, shops, and easy access to the castle and waterfront.
A Southern Jutland coffee table with many cakes, buns and tarts. It is a proud regional tradition tied to family gatherings and local hospitality.
Hearty kale stew often cooked with potatoes and pork sausages. A classic winter dish in Southern Jutland and nearby Als.
Boiled cod served with mustard sauce, potatoes and beetroot. Long linked to Southern Jutland festive meals, especially in colder months.
Refined waterfront dining in Alsik Hotel with modern Nordic tasting menus, local ingredients and polished fine-dining service.
Popular casual spot serving sushi and Japanese dishes in a stylish, relaxed setting with consistently strong local reviews.
Well-regarded café and restaurant for brunch, coffee, burgers and light meals in a central, friendly setting.
Moderate for Denmark. Hotels and dining cost more than many EU cities, but local buses are reasonable and Sønderborg is often cheaper than Copenhagen.
Service is usually included. Rounding up is appreciated in restaurants, taxis, and cafes for good service, but tipping is not expected.
Official public transport app
Sønderborg Station -> Rådhustorvet, Sønderborg
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 Sønderborg.
Find answers to the most common questions about traveling from Kastrup 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 Kastrup to Sønderborg trains use the to Sønderborg St. station pair. Use this guide to compare Kastrup and Sønderborg 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.