Trip.com
>
Flights
>
Flights to Denmark
>
Flights to Sonderborg
Hotels in Sonderborg
>
Flights from Copenhagen to Sonderborg

Find cheap airlines flights from Copenhagen to Sonderborg

Choose from 1 carriers that fly from Copenhagen to Sonderborg, including Air Alsie, Enjoy the cheapest tickets on this route with Air Alsie.
Air Alsie logo Air Alsie

Book direct flights from Copenhagen to Sonderborg: One way flights from $180, round trip flights from $304. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        CPH 3:15 PM
        45m
        Nonstop
        SGD 4:00 PM
        Copenhagen - Sonderborg | Tue, Nov 18 | Air Alsie
        SGD 9:30 AM
        45m
        Nonstop
        CPH 10:15 AM
        Sonderborg - Copenhagen | Mon, Nov 24 | Air Alsie
        $304 $358
        15% OFF
        15% OFF
        $358 $304
      • CPH 1:00 PM
        17h 25m
        1 stop
        SGD Invalid Date
        Copenhagen - Sonderborg | Tue, Nov 18 | Normal Airline
        SGD 3:00 PM
        6h
        Nonstop
        CPH 4:00 PM
        Sonderborg - Copenhagen | Thu, Nov 20 | Normal Airline
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Copenhagen to Sonderborg

The distance between Copenhagen and Sonderborg is about 273.32 km. It takes around 45 minutes on average to fly from Copenhagen to Sonderborg. The most popular month to Sonderborg is July. The off-season for travel is September.

Cheapest one-way flight price$180
Cheapest round-trip ticket price$304
Off-season for travelSeptember
Peak season for travelJuly
Flight distance273.32 km
Average flight time45 minutes
Popular airlineAir Alsie

When is the cheapest time to fly from Copenhagen to Sonderborg?

The cheapest time for Copenhagen to Sonderborg flights: Dec 7 to Dec 14 — one way flight prices from $180.

Cheapest flights
From price
Search
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • How long does it take to fly from Copenhagen (CPH) to Sonderborg (SGD) and what is the distance?

    It takes around 45 minutes to fly from Copenhagen (CPH) to Sonderborg (SGD).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Copenhagen to Sonderborg is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • The cheapest months to fly from Copenhagen to Sonderborg is September, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Copenhagen to Sonderborg on November 18, 2025 with Air Alsie, with prices starting at $302.
  • The time difference between Sonderborg and Copenhagen is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights