Open Travel Guide
  1. Home
  2. Destinations
  3. Germany
  4. Schleswig-Holstein
  5. Day Trips
  6. Flensburg and the Danish Border

Day Trips · Schleswig-Holstein, Schleswig-Holstein

Flensburg and the Danish Border

  • DistanceKiel to Flensburg: 90 km
  • Travel timeAbout 1 hour 15 minutes by direct regional train from Kiel
  • TransportTrain
  • Difficultyeasy
  • Rating★ 4.4
  • Best seasonYear-round; summer for fjord boat trips and beach visits at nearby Wassersleben

Flensburg lies 90 km north of Kiel, close to the Danish border, and is reached by a direct Deutsche Bahn Regionalexpress in about 1 hour 15 minutes from Kiel Hauptbahnhof, or about 2 hours from Hamburg. The city's old town, the Nordermarkt and Suedermarkt squares, and the pedestrianized Grosse Strasse make for an easy morning walk past merchant houses tied to Flensburg's rum-trading history, with the Flensburg Schifffahrtsmuseum on the harbor covering that maritime past in detail.

Flensburg lies 90 km north of Kiel, close to the Danish border, and is reached by a direct Deutsche Bahn Regionalexpress in about 1 hour 15 minutes from Kiel Hauptbahnhof, or about 2 hours from Hamburg. The city's old town, the Nordermarkt and Suedermarkt squares, and the pedestrianized Grosse Strasse make for an easy morning walk past merchant houses tied to Flensburg's rum-trading history, with the Flensburg Schifffahrtsmuseum on the harbor covering that maritime past in detail. A visit to a rum distillery or the Rum-Manufaktur shop rounds out the theme for visitors interested in the city's centuries-old trade links to the Caribbean. From the old town, the harbor promenade along the Flensburg Fjord offers views across to the Danish shore, with seasonal boat trips available in summer. In the afternoon, local buses continue from Flensburg to Harrislee and across the nearby Danish border, where visitors can see the shift from German to Danish signage, architecture, and shops within a few kilometers, or continue toward Danish towns such as Sonderborg or Krusaa by car via the A7 motorway. Food stops in Flensburg's old town include harborside fish restaurants and traditional German bakeries around the Nordermarkt. The city and border crossing are worth visiting year-round, with summer adding the option of fjord boat trips and a swim at Wassersleben beach just north of the city center. Flensburg's compact old town and flat harbor promenade mean the day's walking stays light, making this one of the least physically demanding day trips from Kiel.

Practical information for Flensburg and the Danish Border
Distance Kiel to Flensburg: 90 km
Travel time About 1 hour 15 minutes by direct regional train from Kiel
Getting there Mode: Train; Detail: Deutsche Bahn Regionalexpress from Kiel Hauptbahnhof direct to Flensburg, continuing to the Danish border area
Difficulty easy
Address Flensburg Hauptbahnhof, Bahnhofsplatz, 24937 Flensburg

How to get there

  • Train: direct RE from Kiel to Flensburg (about 1h 15m)
  • Train: RE from Hamburg to Flensburg (about 2 hours)
  • Bus: local buses continue from Flensburg to the border town of Harrislee and on to Denmark
  • Car: A7 motorway, continuing across the border toward Sonderborg or Krusaa

Weather through the year in Schleswig-Holstein

JAN FEB MAR APR 13° MAY 17° JUN 19° JUL 19° AUG 16° SEP 12° OCT NOV DEC

Best time Shoulder Worth avoiding

Average daytime temperature in °C. Figures are for Schleswig-Holstein.

Location

Flensburg Hauptbahnhof, Bahnhofsplatz, 24937 Flensburg

54.7937, 9.4319 View on map

Highlights

  • Nordermarkt and Suedermarkt old town squares
  • Flensburg Schifffahrtsmuseum on the city's maritime and rum-trading history
  • Harbor promenade views across the Flensburg Fjord
  • Short bus or drive across the Danish border at Harrislee
  • Wassersleben beach near the city center in summer

Tips for visiting

  • Take the direct RE train from Kiel (1h 15m) rather than driving to avoid old-town parking limits
  • Bring an ID or passport if crossing into Denmark, even for a short walk across the border
  • Check seasonal fjord boat schedules in advance, as sailings reduce outside summer
  • Visit the Rum-Manufaktur shop for a sample of Flensburg's historic rum trade rather than seeking a formal distillery tour, which requires advance booking
  • Use local buses rather than a rental car for the short hop to Harrislee and the border

When to visit

Year-round for the old town and border crossing; summer is best for fjord boat trips and the Wassersleben beach.

Frequently asked questions

How far is Flensburg from Kiel?

Flensburg is 90 km from Kiel, about 1 hour 15 minutes by direct regional train.

Can visitors easily cross into Denmark from Flensburg?

Yes, local buses run from Flensburg to the border town of Harrislee, with onward connections into Denmark.

What is Flensburg known for historically?

The city has a centuries-long rum-trading history with the Caribbean, documented at the Flensburg Schifffahrtsmuseum.

Is there a beach near Flensburg?

Wassersleben beach lies just north of the city center and is popular in summer.