South Korea eSIM
Prepaid South Korea travel data from $2.99 USD (1 GB, 7 days). No physical SIM and no contract: you get a QR code by email and install it from your phone's settings. Check your phone
Choose your package
How many days?
Count arrival and departure days.How much data?
Plan details · 5 GB, 7 days
- Coverage
- Single country
- Plan type
- Data only
- Activation
- On network connection
- Hotspot
- Supported
- Top-up
- Not available
Need a particular mobile operator? before you buy.
Full plan terms, coverage & refunds
Data-only eSIM
Validity starts at the first network connection.
Top-ups unavailable. Usage tracking supported. Hotspot supported.
Calls and SMS are not included. Internet calling apps use your data.
Coverage (1 country)
South Korea
Mobile networks: KT, LG U+, SK Telecom
Refund eligibility depends on the plan and its activation status. Contact Wanderly support before installing or using the eSIM.
Listed network types describe plan support; 4G/5G availability and speeds vary by location and device. Country coverage does not guarantee a signal throughout your route. If you need a specific network or location, confirm it with support before buying.
Refunds: who is eligible and how to request one are set out in our refund policy.
Free eSIM in South Korea — free data for first-time users, claimed in the Wanderly app.
South Korea eSIM plans at a glance
Wanderly lists 40 fixed-data South Korea plans, ranging from 500MB up to 50GB over 1 to 30 days. Prices start at $2.99, and the lowest cost per gigabyte is $0.42/GB on the 50GB 3-day plan.
Unlimited day-passes are also available from $2.99 per day, billed per day rather than per gigabyte. 12 of the 45 South Korea data-only plans can be topped up without reinstalling the eSIM.
Calls and SMS depend on the selected plan. Install using the supplied QR code and keep your home number on its own line. Activation timing varies by plan; check your selected plan's terms before purchasing or installing.
How much does a South Korea eSIM cost?
A South Korea eSIM from Wanderly costs $2.99 for 1GB (7 days), $3.99 for 5GB (3 days) and $10.99 for 20GB (3 days), as a one-off price with no subscription. Larger plans cost less per gigabyte: $2.99/GB at 1GB against $0.55/GB at 20GB.
In the November 1, 2026 edition of the Wanderly eSIM Price Index, South Korea's data-only plans have a median of $0.65 per GB, below the $1.41 median across 181 destinations. 2 of those destinations have a lower median.
Cheapest plan that lasts your trip
| Trip | Plan | Price |
|---|---|---|
| Long weekend (1GB or more) | 1GB, 7 days | $2.99 |
| One week (3GB or more) | 3GB, 7 days | $3.99 |
| Two weeks (5GB or more) | 5GB, 15 days | $5.99 |
| One month (10GB or more) | 10GB, 30 days | $7.99 |
The data amounts are a starting point. Estimate how much you will use.
Cheapest plan by data size
| Data | Validity | Price | Per GB |
|---|---|---|---|
| 1GB | 7 days | $2.99 | $2.99 |
| 3GB | 3 days | $2.99 | $1.00 |
| 5GB | 3 days | $3.99 | $0.80 |
| 10GB | 3 days | $5.99 | $0.60 |
| 20GB | 3 days | $10.99 | $0.55 |
Cheapest current data-only plan at each size, as charged at checkout. Prices checked November 10, 2026, from the live catalogue. Compare South Korea with every country in the eSIM Price Index.
🇰🇷 About eSIMs in South Korea
South Korea is known for fast mobile networks. Current plans list SK Telecom and KT, and many add LG U+, covering Seoul, Busan, Jeju and the high-speed rail corridor. Speed depends on the plan, the network and where you are, so check the plan details.
Korea leans hard on apps. You will use Naver Maps and KakaoMap far more than Google Maps (Google is deliberately restricted for mapping in Korea), and Papago for translation. That means constant data — plan on 8–10 GB per week for a normal itinerary, more if you rely on video calls or K-drama streaming on the KTX.
Airport pickup SIMs at Incheon are quick but often twice the price of an eSIM you install in advance. The QR code usually arrives by email within minutes. Check your plan's start rule before you scan it.
How to activate your eSIM in South Korea
- 1Order in advanceBuy your Korea eSIM before departure — you cannot install one reliably without Wi-Fi, and airport Wi-Fi at ICN can be crowded.
- 2Install and labelScan the QR from Settings and label the profile ‘Korea’. Keep your home SIM active for iMessage and 2FA codes.
- 3Activate on arrivalToggle airplane mode after landing, set Cellular Data to the Korea eSIM, and enable Data Roaming. This is required for eSIMs and does not incur roaming charges.
- 4Grab Naver MapsDownload Naver Maps or KakaoMap. Google Maps is unreliable for walking directions inside Korea due to national mapping rules.
South Korea eSIM FAQ
Which network does Wanderly use in South Korea?
It depends on the plan. Current South Korea plans list SK Telecom and KT, and many add LG U+. The plan details show the network where one is named, so check them before you buy if it matters to you.
Does it work on Jeju Island?
Yes. SK Telecom and KT both have full coverage on Jeju including Seongsan Ilchulbong and the coastal Olle trails.
Do I need Korean apps to use my eSIM?
No — the eSIM works with any app. But you will want Naver Maps, KakaoMap and Papago for navigation and translation once you have data.
Will it work on the KTX high-speed train?
Yes, coverage runs the length of the Gyeongbu and Honam lines including tunnels around Daejeon and Dongdaegu.
Is tethering allowed?
Current Korea plans allow hotspot, and it uses the same data allowance. Daily Unlimited plans slow down after their daily high-speed allowance, so check that figure and the speed after it in the plan details.
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