eSIM for South Korea: prepaid data plans from $0.36
Stay connected across Seoul, Busan, and the rest of South Korea with a prepaid data eSIM. Choose from 15 plans starting at $0.36. Your QR code arrives by email within minutes—scan it before departure or on arrival and you're online without hunting for a SIM card shop or paying roaming fees.
- Plans from
- $0.36
- Plans available
- 22
- Smallest bundle
- 100MB
- Shortest validity
- 7 days
- Delivery
- QR code by email, within minutes
- Plan type
- Prepaid data only — no contract
Prepaid data plans for travel in South Korea
Every plan is data-only, so you get mobile internet for maps, messaging apps, ride-hailing, and translation tools, but no local phone number or SMS. Plans start with 100MB valid for 7 days and scale up depending on how long you're staying and how much data you need. All plans use 4G/LTE or 5G where the underlying network and your device support it.
Once you purchase, the QR code and installation instructions land in your inbox within minutes. You can install the eSIM before you leave home and activate it when you land in South Korea, or wait until arrival—either way, there's no physical card to collect and no contract to sign.
How to set up your Korea eSIM before departure
Check that your phone supports eSIM—most iPhones from XS onward, recent Samsung Galaxy and Google Pixel models, and many other flagship devices do. Open the email with your QR code, go to your phone's cellular or mobile data settings, and select the option to add an eSIM by scanning the code. The profile installs in seconds.
Keep your home SIM active for calls and texts, and set the new eSIM as your data line. Turn on data roaming for the eSIM only. When your flight touches down in South Korea and you switch off airplane mode, the eSIM connects automatically. If it doesn't, toggle data roaming or restart your device.
Staying connected across South Korea's cities and countryside
Seoul, Busan, Incheon, and Daegu all have strong mobile coverage, including metro systems, shopping districts, and university areas. Coverage extends reliably along the KTX high-speed rail corridor and into smaller cities like Jeonju, Gyeongju, and Sokcho. Tourist zones around Jeju Island, the DMZ tour routes, and national parks near Seoraksan or Jirisan generally have service, though signal may weaken on remote hiking trails or in deep valleys.
Travellers typically use data for Naver Map or KakaoMap (Google Maps is less detailed here), KakaoTalk messaging, subway apps, and booking palace or museum tickets. Streaming a few hours of video or uploading photos daily will consume 2–4 GB per week. If you're working remotely or video-calling frequently, budget for heavier use. Free Wi-Fi is common in cafes, convenience stores, and public transport hubs, but an eSIM means you stay connected between hotspots and don't need to register on public networks.
Frequently asked questions
Do I get a Korean phone number with the eSIM?
No. These are data-only plans, so you can use internet-based apps like WhatsApp, KakaoTalk, or FaceTime, but you won't receive a local phone number for regular voice calls or SMS.
When should I activate the eSIM?
Install the eSIM profile anytime after purchase, but activation begins when your device connects to a mobile network in South Korea. Most plans count validity from the moment of first connection, so wait until you arrive to switch it on.
Will my eSIM work on Jeju Island?
Yes. Jeju has strong mobile coverage across the coast and main attractions like Hallasan, Seongsan Ilchulbong, and the beach areas. Service may be patchy in the island's interior forests or rural lanes, but tourist routes are well covered.
Can I use the eSIM in North Korea or the DMZ?
The DMZ tour areas on the South Korean side are covered. North Korea is a separate country with no mobile connectivity for foreign eSIMs. Do not rely on mobile data once you cross into North Korean territory on organized tours.
How much data do I need for a week in Korea?
For maps, messaging, social media, and light browsing, 1–2 GB per week is usually enough. If you're uploading photos, streaming music, or video calling regularly, plan for 3–5 GB or more depending on usage.