The Viasimo South Korea eSIM is a prepaid data plan for travellers visiting South Korea, delivered as a QR code by email before your trip. It needs no physical SIM, has no contract, and adds no roaming charges, so you can stay connected across cities like Seoul and Busan by scanning a code on your phone.
The South Korea eSIM suits short city breaks, business trips, and extended stays alike, with plans starting from €1.00.
Available Plans
The South Korea eSIM comes in a range of data amounts and validity periods.
Data Options
0.1 GB
0.5 GB
1 GB
2 GB
3 GB
5 GB
10 GB
20 GB
50 GB
Unlimited data
Validity Options
1 Day
7 Days
15 Days
30 Days
Which Plan Should You Choose?
1 Day: a quick layover or a single day of connectivity in South Korea.
7 Days: short holidays, city breaks, and business trips to Seoul or Busan.
15 Days: a longer holiday or a two-week stay across South Korea.
30 Days: extended stays, remote work, and slow travel through South Korea.
Smaller data plans suit maps, messaging, and browsing; a larger or unlimited plan suits streaming, video calls, and heavy use.
Good to Know
Coverage applies within South Korea (KR), including Seoul and Busan.
Data amounts range from 0.1 GB up to 50 GB, plus an unlimited data option.
Validity periods are 1, 7, 15, and 30 days, counting down once the plan is activated.
Your existing phone number stays active for calls and texts through your primary SIM, since the eSIM adds a separate data line.
No physical SIM is needed: the QR code for the South Korea eSIM arrives by email.
Installation takes a few minutes, so you can connect as soon as you arrive in South Korea.
eSIM Details
Available networks
LG4G LTE / 5G
Data
Unlimited
Validity
Up to 30 days
Speed
4G LTE / 5G
Hotspot / tethering
Included
Speed limit
Never
Activation
Automatic on arrival
Top-ups
Always possible
Travel with confidence knowing you'll have reliable mobile data throughout your trip. There's no need to visit a local store to buy a physical SIM card, or deal with complicated setup processes. Keep your existing phone number active for calls and messages while using affordable mobile data for maps, messaging, streaming, and more. With an eSIM for South Korea, you'll stay connected every step of the way.
eSIM for South Korea
Select your plan
Duration
Data
Quantity
1
One Tap Activation Your eSIM plan starts automatically when you connect in South Korea for the first time. Install it in one tap on Android or iOS, before or during your trip.
Three quick steps take you from checkout to browsing in minutes.
01
Choose your plan
Tell us where you’re going and pick the eSIM that suits your trip.
Unlimited Data
30 days
5 GB
30 days
10 GB
30 days
02
Activate in one tap
Hit activate and follow a couple of quick prompts to set up your eSIM.
eSIM Installed
03
Get unlimited data
Your eSIM switches on by itself the moment you land.
Thailand
Active
Remaining dataUnlimited
Valid for30 days
First time with an eSIM?
How eSIMs work
01
Stay connected from the moment you land
Connected on arrival
5G
Live data
Instant & fast
Roaming $0
Your eSIM activates automatically when you reach your destination. No waiting, no setup, just instant mobile data when you land.
Connect instantly: Getting online is effortless: choose a data plan and you’re set. Already there or still en route, you’re connected either way.
Fast, dependable internet: Tap into high-speed local networks for a steady connection. Browse, navigate and stream smoothly anywhere your trip takes you.
Simple to set up: An eSIM does away with plastic SIM cards entirely. Install and manage the whole thing right on your phone in minutes.
No roaming charges: Skip the pricey roaming bills that come with travel. With honest, upfront pricing you always know exactly what your data costs.
02
Use your favourite apps just like at home
Online abroad
Just like home
Chat
Navigate
Share
Mail
Message · navigate · share · stream
Use all your favourite apps abroad with instant data, seamless browsing, streaming, navigation, and messaging from the moment you arrive.
WhatsApp: Stay in touch with friends, family and colleagues through instant messages, voice calls and photo sharing on fast data abroad.
Google Maps: Find your way with fast, reliable data for maps, directions, live traffic and route planning while you’re out and about.
Instagram: Share stories, post photos, scroll your feed and keep up with friends on quick, dependable data abroad.
Gmail: Check your inbox, send the messages that matter and stay on top of things while you travel on steady high-speed data.
For a week in South Korea, the South Korea eSIM offers data amounts from 0.1 GB up to 50 GB, plus an unlimited option, paired with a 7 Day validity. Smaller plans suit maps and messaging, while a larger or unlimited plan suits streaming and video calls over seven days.
The South Korea eSIM works within South Korea (KR), covering cities including Seoul and Busan. It is designed for use in South Korea and does not extend to other countries.
Yes, the South Korea eSIM works in Seoul and Busan, both of which are within its South Korea (KR) coverage. It provides data connectivity across South Korea.
The validity of the South Korea eSIM starts once the plan is activated, then counts down over the chosen period. Validity options are 1, 7, 15, and 30 days.
You activate the South Korea eSIM by scanning the QR code that arrives by email and following the setup on your phone. Installation takes a few minutes, so you can connect as soon as you arrive in South Korea.
Yes, your existing phone number stays active for calls and texts with the South Korea eSIM. The eSIM adds a separate data line and does not change your primary SIM or number.
When your data runs out on the South Korea eSIM, you can buy another South Korea eSIM plan since it is a prepaid, one-off purchase with no subscription. Choose from data amounts of 0.1 GB up to 50 GB or unlimited data as needed.
The South Korea eSIM is delivered digitally by email as a QR code. It is a prepaid, one-off purchase with no contract and no physical SIM to insert.
Yes, the South Korea eSIM includes an unlimited data option alongside fixed amounts from 0.1 GB up to 50 GB. Unlimited data suits streaming, video calls, and heavy use during your stay in South Korea.
Loved by travelers
Traveler reviews
Pedro Castillo
I used Viasimo to travel home to California this year. The instructions were super easy to follow and I had no problems with the service for the whole 20 days that I used it. It was nice not to worry about
5★★★★★
Magda Sutherland
Excellent service, and when I needed help the support team was right there. They answered within minutes and had me back online straight away, with no stress and no roaming surprises.
5★★★★★
Rawiya Bikhazi
A complicated request was solved urgently within 24 hours of traveling. They are wonderful and I recommend it to everyone. Thank you Viasimo team!
5★★★★★
Jonas K.
Landed in Tokyo, switched off flight mode and I was online before I reached passport control. No SIM-card queues, no surprise bill afterwards.
5★★★★★
“
Viasimo is the easiest way to stay connected abroad: installed in minutes, working the moment you land, for a fraction of what roaming costs.
Elena Martins · Verified buyer
Trustpilot
Travellers rate Viasimo Excellent for coverage, price and how simple the setup is. Thousands of trips stay online with us every day.
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Real humans, around the clock. If your eSIM ever misbehaves, support answers within minutes via live chat or email, wherever you are.
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