Verified coverageSouth Korea network
Access to top-tier carriers for a stable and fast connection
Need help choosing?
Not sure which plan to pick? Try our data calculator.
Is your device eSIM-ready?
A quick check to see if your phone supports eSIM.
100% secure payment
Multiple payment methods accepted
eSIM Seoul
Our South Korea eSIM works in Seoul: the same plans at the same prices as on the South Korea page. Data from the moment you land, and your usual number stays on.
Seoul, South Korea eSIM plans and prices
4% in SimCoins- Networks
- SK Telecom and LG U+
- Mobile network
- 5G / 4G
- Hotspot / tethering
- Yes
- Top-up
- Yes
- Validity
- 30 days
Unlimited Seoul, South Korea eSIM plans: high-speed data every day
- 14-day refund if not activated
- Support within 24 h
- Install before you leave
Need help choosing?
Not sure which plan to pick? Try our data calculator.
100% secure payment
Multiple payment methods accepted
Getting online in Seoul
Seoul is covered by our South Korea eSIM, the same plans as everywhere else in the country. Install it before you fly and you have data from Incheon onward, for Naver Map, taxis and messages. It's data only: your usual number stays active alongside it.
ICNIncheon International Airport
Incheon
Your eSIM connects
As soon as your phone finds a local network. Set the eSIM as your data line and turn on data roaming for it.
Free airport Wi‑Fi
Free, unlimited Wi‑Fi throughout the airport, plus free charging stations. Source, Oct 2024
Local SIM cards
- KT SIM for foreigners, Data, 7 days
- KRW 35,000
- Unlimited data for 7 days, picked up at the KT Roaming Center in Terminal 1 arrivals Source, Oct 2026
KT asks for your passport and hands over the SIM after an ID check at its airport counter. Source, Oct 2026
With Simsima, no passport and nothing to pick up: the eSIM is already in your phone.
Your networks on the ground
The plans on this page connect to these networks in South Korea.
SK Telecom5G
LG U+5G- KTKT5G
Unlimited plans run on SK Telecom and LG U+.
Along the way
The same plan follows you everywhere in South Korea, day trips included.
- MyeongdongShopping, cosmetics and street food
- Gyeongbokgung and BukchonThe main royal palace and a village of hanok houses
- HongdaeStudent district, live music and nightlife
- GangnamCOEX and the Starfield Library
- DMZA guided day tour to the border with North Korea
Apps worth installing before you go
- k.rideTaxis
- Kakao Mobility's taxi app for visitors: in English, Chinese and Japanese, with live translation to talk to the driver. It takes overseas cards and needs no Kakao account; rides cost a little more than in Kakao T. Source, Jun 2024
- Naver Map / KakaoMapDirections
- Google Maps still lacks full walking and driving directions in South Korea: the government only let Google export its detailed maps under conditions in February 2026. Naver Map and KakaoMap already use those maps. Source, Feb 2026
- UberTaxis
- Calls Seoul taxis from the Uber app, with advance bookings up to 30 days ahead. Source, Oct 2026
- WhatsAppMessages and calls
- Runs over the eSIM's data and stays on your usual number, which remains active alongside it.
Internet in Seoul: eSIM, SIM card or pocket WiFi?
Four ways to get online when you land, and what changes for you.
For a trip in Seoul, an eSIM is the simplest
Installed at home, online as soon as you land, and your number stays active. No counter, no device to return.
| Simsima.Travel eSIM | Local SIM card | Pocket WiFi | Your carrier's roaming | |
|---|---|---|---|---|
| Where to get it | Online, before you fly | On arrival, at an airport counter or store | Rental: a device to pick up, then return | Already in your usual plan |
| When you're online | As soon as you land, installed at home | After buying it locally | After picking up the device | As soon as you land |
| Your number | Stays active on your usual line | Replaced by a local number, your SIM comes out | Stays on your phone | Stays active |
| ID required | None | Passport required to buy source | Depends on the rental company | None |
| Devices | Your phone, hotspot allowed | One unlocked phone | Several devices, battery to charge | Your phone |
| Price | From $1.50 | ≈ $26.08 for unlimited, 7 days (KT) source | ≈ $3.28 per day (KT) source | Depends on your carrier |
Prices checked on 2026-10-10 on carrier and rental websites, converted at the day's rate. They may have changed since.
How to install your Seoul eSIM
Install it before you leave: it takes two minutes. These are the real screens of your phone, step by step.
Before you leave: install your eSIMStep 1 of 11
- Open Settings, then Cellular.
- Tap “Add eSIM”.
- Tap “Scan QR Code” and scan the QR code we email you after purchase (it's also in your account).
- “Activate eSIM” opens: tap Continue.
- Choose Abroad, then tap Continue.
- Choose Data Only, then tap Continue. The eSIM is for data; your usual number keeps calls and texts.
- Tap Done. Your iPhone will remind you to turn on the eSIM once you're abroad.
- When you land, your iPhone may show “Turn On Travel eSIM”: tap the notification.
- Choose “Travel eSIM and Current eSIM”, then Continue. You keep your number for calls and texts (bank codes included); your carrier may charge for calls you receive.
- Low Data Mode saves your plan: tap “Turn On Low Data Mode”, or “Not Now”.
- You're set: Cellular Data shows the new eSIM.
After you buy, your QR code arrives by email and in your account. Show it on another screen, then follow these steps on your phone.
Before you leave: install your eSIMStep 1 of 8
- Open Settings, then Connections.
- Tap “SIM manager”.
- Tap “Add eSIM”.
- Choose “Scan QR code”.
- Scan the QR code we email you after purchase (it's also in your account), then tap Add.
- When you land, turn on your new eSIM in SIM manager. It shows the name of a local or partner carrier.
- Choose the new eSIM for mobile data.
- In Connections, Mobile networks, turn on data roaming.
After you buy, your QR code arrives by email and in your account. Show it on another screen, then follow these steps on your phone.
Before you leave: install your eSIMStep 1 of 7
- Open Settings, then Network & internet.
- Tap “SIMs” (Add a network).
- Tap “Set up an eSIM”.
- Scan the QR code we email you after purchase (it's also in your account), then confirm.
- When you land, open your new eSIM (it shows the name of a local or partner carrier) and turn on “Use this SIM”.
- Turn on mobile data for the new eSIM.
- Turn on roaming. If nothing loads, turn off automatic network selection and pick the network manually.
After you buy, your QR code arrives by email and in your account. Show it on another screen, then follow these steps on your phone.
Before you leave: install your eSIMStep 1 of 8
- Open Settings, then Mobile networks or Network & internet.
- Tap “Mobile network”.
- Tap “Add SIM”.
- Tap “Set up an eSIM”.
- Scan the QR code we email you after purchase (it's also in your account), then confirm.
- When you land, open your new eSIM (it shows the name of a local or partner carrier) and turn on “Use SIM”.
- Turn on mobile data for the new eSIM.
- Turn on roaming. If nothing loads, turn off automatic network selection and pick the network manually.
After you buy, your QR code arrives by email and in your account. Show it on another screen, then follow these steps on your phone. On Xiaomi, Oppo or OnePlus the menus have other names: search for “eSIM” in Settings.
Frequently asked questions
What travelers ask before a trip to Seoul.
