$170 Cheap Flights from Copenhagen (CPH) to Sonderborg (SGD)

View $170 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from Copenhagen Airport, Kastrup (CPH) to Sonderborg (SGD)

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Cheap Flights from Copenhagen to Sonderborg (CPH-SGD)

Prices were available within the past 7 days and start at $170 for one-way flights and $304 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hahn Air Technologies
Mon, Sep 22 - Tue, Sep 23
CPH
Copenhagen
SGD
Sønderborg
$304 Roundtrip, found 6 days ago
$304
Roundtrip
found 6 days ago
Select Hahn Air Technologies flight, departing Mon, Sep 22 from Copenhagen to Sønderborg, returning Tue, Sep 23, priced at $304 found 6 days ago
Hahn Air Technologies
Wed, Oct 29 - Wed, Nov 5
CPH
Copenhagen
SGD
Sønderborg
$309 Roundtrip, found 1 day ago
$309
Roundtrip
found 1 day ago
Select Hahn Air Technologies flight, departing Wed, Oct 29 from Copenhagen to Sønderborg, returning Wed, Nov 5, priced at $309 found 1 day ago
Hahn Air Technologies
Wed, Oct 29 - Wed, Nov 5
CPH
Copenhagen
SGD
Sønderborg
$324 Roundtrip, found 1 day ago
$324
Roundtrip
found 1 day ago
Select Hahn Air Technologies flight, departing Wed, Oct 29 from Copenhagen to Sønderborg, returning Wed, Nov 5, priced at $324 found 1 day ago
Hahn Air Technologies
Wed, Oct 8 - Wed, Oct 15
CPH
Copenhagen
SGD
Sønderborg
$325 Roundtrip, found 5 days ago
$325
Roundtrip
found 5 days ago
Select Hahn Air Technologies flight, departing Wed, Oct 8 from Copenhagen to Sønderborg, returning Wed, Oct 15, priced at $325 found 5 days ago
Hahn Air Technologies
Mon, Sep 22 - Tue, Sep 23
CPH
Copenhagen
SGD
Sønderborg
$335 Roundtrip, found 6 days ago
$335
Roundtrip
found 6 days ago
Select Hahn Air Technologies flight, departing Mon, Sep 22 from Copenhagen to Sønderborg, returning Tue, Sep 23, priced at $335 found 6 days ago
Hahn Air Technologies
Wed, Oct 29 - Wed, Nov 5
CPH
Copenhagen
SGD
Sønderborg
$340 Roundtrip, found 1 day ago
$340
Roundtrip
found 1 day ago
Select Hahn Air Technologies flight, departing Wed, Oct 29 from Copenhagen to Sønderborg, returning Wed, Nov 5, priced at $340 found 1 day ago
Hahn Air Technologies
Wed, Oct 8 - Wed, Oct 15
CPH
Copenhagen
SGD
Sønderborg
$341 Roundtrip, found 5 days ago
$341
Roundtrip
found 5 days ago
Select Hahn Air Technologies flight, departing Wed, Oct 8 from Copenhagen to Sønderborg, returning Wed, Oct 15, priced at $341 found 5 days ago
Hahn Air Technologies
Mon, Sep 22 - Tue, Sep 23
CPH
Copenhagen
SGD
Sønderborg
$367 Roundtrip, found 6 days ago
$367
Roundtrip
found 6 days ago
Select Hahn Air Technologies flight, departing Mon, Sep 22 from Copenhagen to Sønderborg, returning Tue, Sep 23, priced at $367 found 6 days ago

Frequently asked questions

How much does a flight from Kastrup Airport (CPH) to Sonderborg Airport (SGD) cost?
Snag a cheap one-way flight from $170 or cheap return flight from $304 from Kastrup Airport (CPH) to Sonderborg Airport (SGD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Kastrup Airport (CPH) to Sonderborg Airport (SGD)?
September is the least expensive month to fly from CPH to SGD. Planning your trip for the off-season is often the key to finding better fares.
Which airlines fly direct from Kastrup Airport (CPH) to Sonderborg Airport (SGD)?
Fly directly from Kastrup Airport (CPH) to Sonderborg Airport (SGD) on an Air Alsie flight.
What is the cheapest airline that flies from Kastrup Airport (CPH) to Sonderborg Airport (SGD)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from CPH to SGD. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Kastrup Airport (CPH) to Sonderborg Airport (SGD)?
Daily, an average of 3 nonstop flights take off from Kastrup Airport (CPH) to Sonderborg Airport (SGD). Choose the departure time that fits your schedule best.
What are the most popular departure times for flights from Kastrup Airport (CPH) to Sonderborg Airport (SGD)?
Flights between CPH and SGD are busiest at 8 AM. If you'd like a quieter experience and potentially cheaper prices, look for a time when demand is lower.
What day of the week has the most flights from CPH to SGD?
Depart on a Tuesday if you're looking for the best choice of flights from Kastrup Airport (CPH) to Sonderborg Airport (SGD).
What is the earliest flight from Kastrup Airport (CPH) to Sonderborg Airport (SGD)?
The first flight of the day jetting off from Kastrup Airport (CPH) is at around 8:15AM UTC+1. Board this plane and you'll reach Sonderborg Airport (SGD) at approximately 9:00AM UTC+1. The entire trip takes 45m.
How long does it take to fly from Kastrup Airport (CPH) to Sonderborg Airport (SGD)?
Flights from CPH to SGD have an average travel time of 45 minutes. The distance between the two is 120 mi.
What is the best time to fly from Kastrup Airport (CPH) to Sonderborg Airport (SGD)?
Opt for a flight from Kastrup Airport (CPH) to Sonderborg Airport (SGD) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Sønderborg from Kastrup Airport (CPH)?
Sonderborg Airport (SGD) is the only airport in Sønderborg with direct flights from Kastrup Airport (CPH). Browse the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Kastrup Airport (CPH) to Sonderborg Airport (SGD) last-minute?
Booking your ticket from CPH to SGD shortly before your trip is usually more expensive. But if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a CPH to SGD flight and hotel package?
Compared with arranging hotels and flights separately, booking a CPH to SGD flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Just secure your flights and select from our wide range of stays, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Kastrup Airport (CPH) to Sonderborg Airport (SGD)?
If you reserved your CPH to SGD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Travel information

0
Origin airport
Kastrup
Destination airport
Sonderborg
Roundtrip price
$304
Distance
121 mi

Book with confidence

Book with confidence

Copenhagen to Sonderborg Flights

The cheapest times to fly from Copenhagen to Sonderborg

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Copenhagen to Sonderborg are during the month of September. You can find some of the cheapest flights from Copenhagen to Sonderborg with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Copenhagen to Sonderborg

Sunday is one of the best days to book for cheap flights from Copenhagen to Sonderborg: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Copenhagen to Sonderborg

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Copenhagen to Sonderborg in 2025. You can also book with separate airlines for your outbound and return journeys, from $170 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Copenhagen to Sonderborg flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Copenhagen to Sonderborg airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Copenhagen to Sonderborg Flights

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*Available to One Key members.