Does the eSIM work as soon as I land at Incheon airport?

Yes. Install the eSIM at home before you leave and activate it when you arrive. As soon as you turn off flight mode, your phone connects to the SK Telecom network by itself, so you are online right away without a detour to the airport shop.

What speeds can I expect with the eSIM in South Korea?

In Seoul, Busan and other big cities you get 4G/LTE speeds of 50–150 Mbps. In 5G areas, peak speeds of over 500 Mbps are even possible. On Jeju and in rural regions too you get a stable 4G signal.

Do I need a translation app in South Korea, and how much data does it use?

Absolutely recommended, as Korean is a real challenge for most travellers. Apps such as Google Translate or Papago (the Korean favourite) use about 50–100 MB a day for camera translation. For a 10-day trip with navigation, translation and social media, we recommend at least 5 GB.

Does the eSIM also work on Jeju island?

Yes. SK Telecom also covers Jeju completely. Whether you climb the Hallasan volcano, hike along the coast or stroll through Jeju City, you get a stable 4G signal everywhere.

Can I use Kakao Maps with the eSIM in South Korea?

Yes. Kakao Maps is the most widely used navigation app in South Korea and much more precise than Google Maps on the local road network. With your Reisechip eSIM you use the app without restrictions, which is ideal for finding your way around Seoul districts such as Hongdae, Itaewon or Insadong.

How much does an eSIM for South Korea cost?

eSIM data plans for South Korea start at €2.79. You pay once for the data you choose — no contract, no monthly fee and no surprise roaming bill. Bigger data packs and longer validity cost more.

Is an eSIM cheaper than roaming in South Korea?

It depends on the destination. Inside the EU your German plan usually includes roaming, often with a fair-use data cap; outside the EU, roaming is typically charged per day or per megabyte, and a travel eSIM is usually much cheaper. With an eSIM you see the full price before you buy and pay only for your data pack.

Which mobile networks does the eSIM use in South Korea?

In South Korea the eSIM connects automatically to local networks such as SK Telecom, KT, LG U+, on 4G/LTE and on 5G where it is available. Coverage in populated areas is around 99% of the population. Your phone always picks the strongest network nearby.

Will I keep my German phone number with an eSIM in South Korea?

Yes. Your German SIM and number stay active, and the travel eSIM runs alongside it as a data-only plan. You stay reachable on WhatsApp, iMessage or over Wi-Fi while browsing on the local network. Normal calls and texts still go through your German number, where roaming charges may apply.

Can I top up or extend my South Korea data plan?

Yes. When your data runs out or the plan expires, just buy another pack. The eSIM profile already on your phone stays in place, so there is nothing to reinstall and you stay online without a break.

Can I use the eSIM as a Wi-Fi hotspot in South Korea?

Yes. You can share the connection with a laptop, tablet or a travel companion through your phone's personal hotspot. Hotspot use comes out of the same data allowance, so choose a slightly larger pack if you plan to tether.

Should I install the eSIM before I leave or after I arrive?

Install it at home over Wi-Fi before you travel. The data plan switches on automatically when your phone joins a network in South Korea, so you are online the moment you land instead of hunting for airport Wi-Fi.

eSIM plans for South Korea

Instant delivery

South Korea: your travel eSIM from €2.79 works as soon as you land and connects to SK Telecom, KT, LG U+ (4G/LTE where available), network coverage 99% of the population. Install it by QR code before you leave Germany — no roaming charges, no SIM swap.

Your selection

Select a plan

Payment methods

Instant email delivery
30-day refund on unused eSIMs
Support in English
Visa · Mastercard · Maestro · Apple Pay · PayPal

eSIM for South Korea at a glance

Price from: €2.79
Local networks: SK Telecom, KT, LG U+
Technology: 4G/LTE & 5G
Network coverage: 99% of the population
Activation: QR code — install before you leave
Suggested data: 1–3 GB light use · 5 GB with social media · 10 GB+ streaming

All eSIM plans for South Korea

Data	Validity	Price
Unlimited	1 day	€2.79
Unlimited	3 days	€9.99
Unlimited	5 days	€16.99
Unlimited	7 days	€22.99
Unlimited	10 days	€29.99
Unlimited	15 days	€40.99
Unlimited	30 days	€60.99
1 GB	7 days	€2.99
2 GB	15 days	€5.99
3 GB	30 days	€6.99
5 GB	30 days	€10.99
10 GB	30 days	€18.99
20 GB	30 days	€31.99
50 GB	30 days	€43.99

South Korea is a country of contrasts: skyscrapers and temple complexes, K-pop and centuries-old ceremonies, lightning-fast subways and quiet rice fields. In Seoul digital life pulses around the clock, and away from the capital too, in the narrow lanes of Busan or on the volcanic island of Jeju, you find one of the fastest mobile networks in the world. With a Reisechip eSIM you are online as soon as you arrive at Incheon airport: navigation, translation apps and restaurant tips all at your fingertips at once, with no SIM swap and no roaming shock.

Flight time from Germany

about 10–12 hours

Time zone

UTC+9 (8 hours ahead of CET)

Best time to travel

March–May (spring), Sep–Nov (autumn)

Plug type

Type C/F (same as Germany, no adapter needed)

Why get an eSIM for South Korea?

South Korea is one of the best-connected countries on earth. 5G has long been standard in Seoul and other big cities, and SK Telecom serves 99% of the population with mobile internet. That is exactly why you should make full use of this network from the start. There is public Wi-Fi in subway stations and cafés, but on the street, in parks or in the countryside you depend on mobile data. Without a working internet connection you quickly lose your bearings in Seoul: the subway system with its nine lines and more than 300 stations is hard to master without a digital map. Add real-time translation of Korean characters, Kakao Maps navigation and looking up opening hours for temples and markets. You activate a Reisechip eSIM at home before your flight, and as soon as you land at Incheon you are online right away, with no queues at the airport.

What is network coverage like in South Korea?

Network operator

SK Telecom

+ KT

Technology

4G/LTE & 5G

Coverage

99% of the population

How do I install an eSIM for South Korea?

1
Buy a plan
Pick the data plan for South Korea that fits your trip and check out.
2
Scan the QR code
Open the email with your QR code and scan it with your phone's camera while you are still in Germany.
3
Add the eSIM
Follow the steps on your phone to add the eSIM as a data plan. Your German SIM stays in place.
4
Go online
Switch on the eSIM when you land in South Korea and you are online straight away.

1
Buy a plan
Pick the data plan for South Korea that fits your trip and check out.
2
Scan the QR code
Open the email with your QR code and scan it with your phone's camera while you are still in Germany.
3
Add the eSIM
Follow the steps on your phone to add the eSIM as a data plan. Your German SIM stays in place.
4
Go online
Switch on the eSIM when you land in South Korea and you are online straight away.

Which eSIM plan suits me?

Holiday

Away for 1–2 weeks? A 3–5 GB plan covers maps, photos and messages.

Business trip

For video calls and email on the go, choose at least 5 GB or an unlimited plan.

Backpacking

On longer trips, a 10 GB+ plan or a regional plan for several countries pays off.

Family

With several devices, pick a plan with hotspot support and enough data for everyone.

eSIM vs. local SIM vs. Wi-Fi hotspot — what works best for South Korea?

	eSIM	Local SIM card	Wi-Fi hotspot
Activation	Instant (QR code)	Buy on arrival	Pick-up or delivery
Setup	2 minutes	SIM swap needed	Extra device
Price	From €2.79	€5–30	€5–15 per day
Network	Local 4G/LTE	Local 4G/LTE	Local 4G/LTE
Devices	1 smartphone	1 smartphone	Up to 5 devices
Flexibility	Top up any time	Fixed allowance	Daily rental
Best for	Most travellers	Long stays	Groups and families

eSIM for South Korea: frequently asked questions

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