Last verified: 30 September 2026. Method, assumptions and source notes were checked for this revision.
Your phone and travel needs
What this tool is designed to answer
The result is a planning aid, not a live booking quote. Current rules and source limits are stated on the page.
Current official reference points
- SK Telecom: tourist eSIM includes unlimited data; its official page currently lists 2 days ₩12,000, 3 days ₩18,000, 5 days ₩27,500, 7 days ₩35,000, 10 days ₩38,500, 15 days ₩55,000 and 30 days ₩71,500.
- LG U+: official tourist eSIM currently lists 1 day ₩6,500, 2 days ₩12,000, 3 days ₩18,000, 4 days ₩23,000 and 5 days ₩27,500. Data eSIM is delivered by QR; voice-enabled options require passport verification at an airport counter.
- KT: offers tourist SIM/eSIM products for foreign visitors and airport service counters; its official site states the tourist product can be used for up to 90 days.
SKT official eSIM ↗ · LG U+ official eSIM ↗ · KT official tourist SIM/eSIM ↗
Prices are reference points verified 27 Sep 2026, not an affiliate ranking. Promotions and plan terms can change; always confirm the provider page before purchase.
How to use this result well
Method
The decision logic starts with device support and the services you actually need: eSIM support, an unlocked handset, a Korean number, voice calling and how many devices must share connectivity.
Limits
Carrier plans, identity requirements, fair-use policies and device compatibility can change. Verify the current plan on the carrier page before purchase.
Questions this tool does — and does not — answer
Is eSIM always the easiest choice?
Only if your device supports it and is unlocked, and you do not need a feature the selected eSIM lacks.
When is a Wi-Fi router useful?
It can make sense when several devices travel together, but it adds a device that must be carried and charged.
Do I need a Korean phone number?
Many visitors do not, but some reservations, calls or local services may make one useful.