Can I use the eSIM the moment I reach Copenhagen Kastrup Airport?

Yes, you can. If you install your Yeohaengyusim eSIM before departure Korea, it links up automatically with the TDC or Telia Denmark network from the moment the plane lands. You don't need to buy a separate SIM or queue at the airport.

What happens to the eSIM if I take a day trip from Denmark to Malmö in Sweden or to Germany?

With a Denmark-only eSIM, roaming charges may apply or the connection may be restricted in other countries. If you plan to visit Sweden or Germany as well, choosing a Europe-wide eSIM plan is more efficient. Be sure to check which countries a plan covers before you buy.

Will I need a power adapter in Denmark?

Denmark uses Type C/E/F/K outlets. The voltage is the same as for Korean electronics (220V), but the plug shape may differ. A standard round two-pin plug (Type C) can be used in most Danish outlets, and standard electronics used in Korea can often be used without a separate adapter. Check the plug type of your own devices before departure.

Which season suits a trip to Denmark?

Summer, from June to August, is the best time to travel in Denmark. The days are long and the weather is mild, which is perfect for outdoor sightseeing and cycling trips. In December, Christmas markets open, so you can also enjoy the romance of a winter trip. Spring, from March to May, is also fairly pleasant with fewer tourists, a time when you can travel at a relaxed pace.

Does eSIM work in Denmark?

Denmark supports eSIM, and plans start from ₩1,793. Install it with the QR code you receive after buying, then just turn on data roaming after you arrive and you are connected straight away. There is no need to swap your SIM.

Travel eSIM or carrier roaming: which is cheaper for a trip to Denmark?

For a short trip or light data use, a travel eSIM is usually cheaper. Unlimited roaming from Korean carriers costs about ₩11,000–₩15,000 a day, but with an eSIM you can buy just the days of data you need in advance. For a short trip for one or two people, an eSIM has a big advantage; for a family or very heavy data use, compare carrier unlimited roaming too.

Which carrier network does a Denmark eSIM use?

In Denmark it connects automatically to local carrier networks such as TDC · Telia Denmark · Telenor · 3 (Three/Hi3G) (4G/LTE, 5G where supported). Population coverage is about 99%. It picks the network with the strongest signal automatically, so there is nothing to set up.

Can I keep using my Korean number while travelling in Denmark?

Yes. The eSIM works as a data-only second line, so your Korean SIM and number stay as they are. Use the Yeohaengyusim eSIM for data only, and keep receiving calls, texts and KakaoTalk on your Korean number.

Can I add to or extend my Denmark eSIM plan?

Yes. When you use up your data or the plan period ends, you can buy a new plan at any time. Keep using the eSIM profile you already installed; there is no need to install it again, so you carry on without interruption.

Can I use tethering (hotspot) in Denmark?

Yes. In Denmark you can share your eSIM data with other devices such as a laptop or tablet by tethering (hotspot). Shared data also comes out of your plan allowance, so if you tether a lot we recommend choosing a little more data.

Do I set up the eSIM before I leave or after I arrive?

We recommend installing it (registering the QR code) before you leave, while you have Wi-Fi. Data starts when you turn on data roaming after you arrive in Denmark. Just remember "set up before you leave, switch on when you arrive" and you can use the internet as soon as you land.

How many GB of data do I need for a trip to Denmark?

For mostly maps and messaging, we recommend about 1 GB a day; to use plenty of social media and photo uploads, about 2 GB a day. If you stream a lot of video or tether a lot, an unlimited plan is better. You can always buy more if you run short, so it is fine to choose a little extra at first.

Denmark eSIM plans

Instant delivery

A travel eSIM for Denmark starts from ₩1,793 and works as soon as you buy it. In Denmark it connects automatically to local networks such as TDC · Telia Denmark · Telenor · 3 (Three/Hi3G) (4G/LTE, 5G where supported), with population coverage of about 99%. Install it with the QR code before you leave and you can use the internet as soon as you land, with no roaming setup.

Sent instantly by email
30-day refund
Customer support in Korean
Credit card · Apple Pay

Denmark eSIM at a glance

Price: From ₩1,793
Local networks: TDC · Telia Denmark · Telenor · 3 (Three/Hi3G)
Network: 4G/LTE & 5G
Activation: QR code — install before you leave
Recommended data: Maps and messaging 1 GB a day · more room 2 GB a day · video: unlimited

eSIM plans you can use in Denmark

Data	Validity	Price
Unlimited	1 day	₩1,793
Unlimited	3 days	₩5,259
Unlimited	5 days	₩9,026
Unlimited	7 days	₩11,286
Unlimited	10 days	₩16,560
Unlimited	15 days	₩24,094
Unlimited	30 days	₩47,449
1 GB	7 days	₩2,999
2 GB	15 days	₩3,752
3 GB	30 days	₩4,505
5 GB	30 days	₩6,766
10 GB	30 days	₩11,286
20 GB	30 days	₩16,560
50 GB	30 days	₩36,148

Denmark, the home of the fairy-tale writer Hans Christian Andersen and ranked among the happiest countries in the world, is loved as the starting point for trips to Northern Europe. There is plenty to see and do, from Copenhagen's colourful Nyhavn canal and Amalienborg Palace to world-class restaurants. Cycling around quaint small towns steeped in Viking history is another of the joys of travelling in Denmark. Just imagining not being able to open even Google Maps in an unfamiliar Nordic country is daunting. If you install a Yeohaengyusim eSIM before departure, you can use fast, stable data right after landing at Copenhagen Kastrup Airport. Capture and share every moment in Denmark vividly with just your smartphone, with no SIM card swap.

Flight time from Korea

About 11–13 hours (no direct flights, one layover)

Time difference

8 hours behind Korea (UTC+1, relative to KST)

Best season to go

June–August (summer), December (Christmas season)

Plug type

Type C/E/F/K (220V, adapter check recommended)

Why you really need a travel eSIM for Denmark

Denmark has some of the best digital infrastructure in the world. Locally, everything from Google Maps and public transport apps to restaurant bookings happens online, so your trip can become inconvenient without data. To get around central Copenhagen efficiently, the DSB train app or the Rejseplanen app is essential, and all of these need real-time data. You can buy a local carrier's SIM at the airport, but you have to put up with the language barrier and long queues. And with Korean carriers' roaming, even the daily rate alone is far from cheap. A Yeohaengyusim eSIM can be bought easily on the app or website before departure Korea and installed with a QR code in a few minutes. Based on the TDC and Telia Denmark networks, it offers 99% coverage across Denmark, and you can use it at 4G/LTE and 5G speeds without interruption not only in central Copenhagen but also in regional cities such as Aarhus and Odense. It also supports hotspot use, so sharing data with your travel companions is no problem.

Network coverage in Denmark

Carrier

TDC

+ Telia Denmark

Network

4G/LTE & 5G

Coverage

99%

How do I install a Denmark eSIM?

1
Buy a plan
Choose a data plan for Denmark and complete payment.
2
Scan the QR code
Open the email we sent and point your phone camera at its QR code.
3
Install the eSIM
Complete the eSIM installation as prompted. Doing it before you leave is simplest.
4
Connect on arrival
Once you land in Denmark, switch data roaming on and you're online.

1
Buy a plan
Choose a data plan for Denmark and complete payment.
2
Scan the QR code
Open the email we sent and point your phone camera at its QR code.
3
Install the eSIM
Complete the eSIM installation as prompted. Doing it before you leave is simplest.
4
Connect on arrival
Once you land in Denmark, switch data roaming on and you're online.

Which plan is right for me?

Short trip

For a short 3–7 day trip, an unlimited data plan is ideal.

Business trip

We recommend a high-data plan with plenty for video calls and email.

Long stay

Staying a month or more? A large-data plan gives the best value.

Family trip

Families sharing a connection across multiple devices should pick a tethering-enabled plan with a generous data allowance.

eSIM, local SIM or pocket Wi-Fi: what suits a trip to Denmark best?

	eSIM	Local SIM	Pocket Wi-Fi
Activation	Instant (QR code)	Buy locally	Pick up / delivery
Setup	2 minutes	SIM swap needed	Separate device
Price	From ₩1,793	₩10,000~50,000	₩5,000~15,000/day
Network	Local 4G/LTE	Local 4G/LTE	Local 4G/LTE
Devices	1 smartphone	1 smartphone	Up to 5
Flexibility	Top up any time	Fixed data	Daily rental
Best for	Ideal for travellers	Long stays	Families / groups

How about these destinations?

France

Italy

Spain

United Kingdom

Åland Islands

Andorra

Austria

Belgium

Bulgaria

Croatia

Czechia

Estonia

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Denmark eSIM FAQ

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