eSIM for South Korea
- Works on eSIM-capable phones
- Local partner networks, auto-connect
- Starts when you land
- Hotspot & easy top-ups
Your data roams on local partner networks in South Korea, connecting automatically to the strongest available signal. If one network has no service, it can switch to another.
Coverage is solid 4G/LTE across the major cities and along the main routes between them. In remote and mountain areas, signal is more limited on every network.
More GB, lower per-GB price: the 50 GB plan works out at $0.60 per GB.
Data plan
Select the GB you need for your trip
QR by email within minutes · starts when you land
Stay connected no matter what. Running low? Top up the same eSIM in a couple of taps, with no new QR and no reinstall. Install before or during your trip; your plan begins at first connection in South Korea.
Fast and reliable connection
Clear video calls with no delays.
Share stories in just a few seconds.
Enjoy creating video content and super fast uploading.
Find your way wherever you go!
The best performance in all your apps
Fast 4G/LTE on local partner networks keeps you connected across South Korea’s cities. The eSIM connects automatically and can fall back to another network if one has no service.
Get connected in 3 steps
Pick your plan by selecting the GB you need, and pay by card, Apple Pay, Google Pay or crypto.
Check compatibility list
Install your eSIM with the method you like: scan the QR from the email, or use the one-tap install link.
See install methods
Turn on data roaming for the eSIM line. Your plan starts when it first connects to a local network in South Korea.
Advantages of the Simzora eSIM for South Korea
Buy today, fly whenever
Set up your data at home over Wi-Fi and land already connected in South Korea. No airport SIM queues, no paperwork, and your own number stays active for calls and OTP codes.
- No queues
- No paperwork
- Prepaid, price upfront
Connected across South Korea
Connects automatically and uses whichever network has service where you are.
Keep your WhatsApp number
A data-only second line. Your own SIM stays active for calls and bank OTP codes, and WhatsApp keeps working on your existing number.
Honest per-GB pricing
From $3.49, with lower per-GB rates on the larger plans. Prices include tax, with no hidden fees.
Top up without a new eSIM
Add data to the same eSIM in a couple of taps. No new QR code, no reinstall. Never delete the eSIM; top up instead.
Real-human support
People, not bots, on WhatsApp and email, 7 days a week from 9:00 to midnight (GMT+5), usually replying within 15 minutes.
Share your data with family
Hotspot is supported where the plan allows it: turn your phone into a Wi-Fi network and share with a laptop, tablet or a second phone.
Change of plans? Kept fair
All sales are final since eSIMs deliver instantly, so check your phone first and start small. Ask us before you buy.
Why buy a prepaid eSIM for South Korea with Simzora?
| What you get | Simzora eSIM | Local SIM card | Home-carrier roaming |
|---|---|---|---|
| Set up from home, in minutes | |||
| No queues, paperwork or biometrics | |||
| Price known upfront, prepaid | |||
| Keep your own SIM active for calls & OTPs | |||
| Works on eSIM-capable phones | |||
| Data on local 4G / LTE |
General comparison. Local SIMs often require in-person registration; home-carrier roaming rates depend on your operator.
eSIM prices for South Korea
Standard GB plans and unlimited daily plans. One-time payment, prices include tax.
| Standard plan | Validity | Price |
|---|---|---|
| 1 GB | 7 days | $3.49 |
| 3 GB | 15 days | $5.99 |
| 5 GB | 30 days | $8.49 |
| 10 GB | 30 days | $11.49 |
| 20 GB | 30 days | $17.49 |
| 50 GBBest value | 30 days | $29.99 |
| Unlimited plan | Validity | Price |
|---|---|---|
| Unlimited | 7 days | $10.49 |
| Unlimited | 15 days | $20.99 |
| Unlimited | 30 days | $41.49 |
FUP applies to unlimited plans.
Using your South Korea eSIM
Plans roam on South Korea's two strongest networks. Expect fast 5G across Seoul, Busan and Incheon, running deep into the subway tunnels and inside the big department stores and underground malls. Coverage stays strong on Jeju Island and along the KTX high-speed line; it only really softens on remote mountain trails like Seoraksan and the quieter inland valleys.
South Korea runs some of the fastest mobile internet anywhere on the planet. Full 5G reaches almost everywhere a traveller actually goes, the whole of Seoul and Busan, the metro platforms and trains underground, and most of Jeju, so it is genuinely hard to find a spot with no signal. You will notice maps, translation apps and video loading quickly even in packed areas where networks elsewhere would choke.
Incheon and Gimpo arrivals halls have strong signal, so the eSIM connects before you reach passport control. Turn Data Roaming on for the eSIM line, which is normal for a travel eSIM and costs nothing extra. Because this is a roaming line, your data may exit through a non-Korean gateway, so a few sites might treat you as browsing from abroad; if that ever changes we will say so plainly.
- Install and set up the eSIM on Wi-Fi before you fly; the plan only starts once it first connects to a network in Korea.
- Set the eSIM as your mobile-data line and switch Data Roaming on for that line only, leaving your home SIM for calls and texts.
- If you see 'No Service' just after landing, toggle Airplane Mode once and the phone will re-select fast local partner networks.
Frequently asked questions
Don’t worry, we’re here for you.
If you have any questions during this process, real people answer on WhatsApp and email, 7 days a week from 9:00 to midnight (GMT+5), usually within 15 minutes.