Compare Travel eSIMs in South Korea
Live offers across tracked providers in South Korea — updated daily from the Giraffy database.
Live offers
- Unlimited Basic
- 1 GB
- 1 GB Data
- 1 GB
- 1 GB
What are travel SIMs in South Korea?
Travel SIMs — including physical prepaid SIMs and, increasingly, eSIMs — give visitors to South Korea (or Koreans heading abroad) mobile data and sometimes calls without roaming charges. For inbound tourists they provide instant connectivity on arrival for maps, translation and messaging; for outbound travellers, a destination eSIM avoids expensive carrier roaming. eSIMs can be bought and activated online before you even land.
How the Korean market works
Two distinct products sit under this heading: SIMs for visitors to Korea running on the SK Telecom, KT or LG U+ networks (sold at airports, convenience stores and online), and global travel eSIMs from international providers that cover Korea and hundreds of other countries. The eSIM market is app-driven — you pick a data bundle for your destination and duration, pay, and activate by scanning a QR code, with no physical SIM swap. Data-only plans dominate, with optional calling on some.
Benefits
Instant connectivity — Get online the moment you land, with eSIMs activated before departure.
Avoid roaming fees — Local or regional data bundles cost a fraction of standard carrier roaming.
No SIM swap with eSIM — Keep your home number active while adding a travel data plan digitally.
Flexible durations — Buy exactly the days and data you need, from a short trip to a month.
How to choose
Match the data allowance to your trip — heavy map and streaming use needs more, light messaging less — and pick the right duration. Decide between a physical SIM (universal phone support, good coverage) and an eSIM (instant, keeps your home number) after checking your phone supports eSIM. Compare price per gigabyte, whether the plan includes a local number or calls, network coverage in the areas you'll visit, and top-up flexibility if you run out.
Leading providers in South Korea
Global eSIM specialists dominate this category: Airalo, Nomad, GigSky, KnowRoaming, FlexiRoam, RedteaGO, eSIMX and GlobaleSIM all sell Korea and worldwide data bundles through their apps. For physical visitor SIMs, the underlying networks are SK Telecom, KT and LG U+. Because per-gigabyte pricing and coverage vary between eSIM providers, comparing bundles for your specific destination and data need is the quickest route to value.
What it costs
Prices in the brief span from about ₩1,760 for a small short-trip data bundle to ₩264,000 for large, long-duration or multi-country plans. A typical week-long Korea data eSIM sits in the low tens of thousands of won, with cost driven by data volume, duration and how many countries the plan covers. Compare price per gigabyte rather than headline price.
Protections and regulation
Physical SIMs used within Korea follow the same KCC/MSIT real-name registration and consumer rules as domestic SIMs. Global eSIM providers operate under the regulations of their home jurisdictions and partner carriers; because they are prepaid data services, consumer recourse relies on the provider's terms, so buy from established brands and check refund and top-up policies.
Common questions
Physical SIM or eSIM? eSIMs activate instantly and keep your home number, but your phone must support eSIM; physical SIMs work on any device. Do I get a phone number? Many travel data plans are data-only — check if you need calls or a local number. Can I buy before I travel? Yes — eSIMs are purchased and set up online before departure.
The cheapest Travel eSIMs in South Korea is ₩1760 One-time purchase from RedteaGO.
Travel eSIMs in South Korea — FAQ
What is the cheapest travel eSIM for visitors to South Korea?
Giraffy tracks 5 travel SIM and eSIM plans across RedteaGO,KnowRoaming,eSIMX,GlobaleSIM providers for South Korea. The lowest tracked price is ₩1760 One-time purchase. Compare by data allowance and daily cost to find the best value.
What is the difference between a travel eSIM and a local SIM card?
A travel eSIM is activated digitally before you travel — no queuing at an airport kiosk. A local SIM offers the same coverage but requires buying and inserting a physical card on arrival. Both use local network infrastructure, so coverage is equivalent.
Can I use a travel SIM in multiple countries?
Some travel SIMs and eSIMs are regional — valid in a zone of countries — while others are single-country only. Check the coverage map on the deal card before buying; regional plans are usually better value for multi-country itineraries.
How much mobile data do I need for a two-week trip?
Light browsing, maps, and messaging use 1–2 GB per week. Streaming video or making video calls can use 3–6 GB per week. A 10 GB plan covers most travellers comfortably for two weeks; go larger if you expect heavy streaming or remote work.
Can I make calls and send SMS on a travel eSIM?
Many travel eSIMs are data-only — they don't include a local phone number for calls or SMS. For voice, use WhatsApp, FaceTime, or another internet calling app over the data connection. If you need a local number, look for plans labelled 'voice + data'.
How do I install a travel eSIM on my phone?
After purchase you'll receive a QR code by email. Go to Settings → Mobile/Cellular → Add eSIM on your iPhone or Android device, scan the QR code, and the plan activates automatically — usually within minutes. You can install it before you travel and switch it on when you land.