How much data should I plan for a trip to South Korea?

For a week centred on Seoul or combining it with Busan, use the calculator's seven-day examples as a starting point. Adjust for trip length, Wi-Fi access, video, hotspot use and automatic photo backup.

What should I save offline for a trip to South Korea?

Save lodging addresses, transport details and maps for Seoul, Busan and Jeju before travelling. Keep key booking details available offline.

What travel eSIM details should I compare for Seoul, Busan and Jeju?

Compare every country or territory on your itinerary and confirm the plan includes the stops around Seoul, Busan and Jeju. Review the selected plan's current country or territory list, validity, data allowance and activation terms before purchase.

South Korea travel eSIM destination image

Destination travel eSIM

Get a South Korea eSIM for your trip.

One prepaid eSIM for your South Korea trip. Choose data and validity, then check out in your selected currency.

Choose your plan

What fits your trip?

1. How long are you staying?

Fair-use policies may apply to unlimited plans from our providers.

Selected plan

Unlimited · 15 days

Total price$42.99USD

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QR code by email

Receive your activation details after checkout.

Mobile data only

Use this eSIM for mobile data. Your regular number may remain available for calls or texts, depending on your phone and carrier; roaming charges may apply.

Install on Wi-Fi

Install before departure, then follow your selected plan’s terms for when to enable it.

Before your trip

Keep the details you need close at hand.

Seoul accommodation and arrival details
Offline maps for Seoul, Busan and Jeju
Booking and transport confirmations
Emergency and insurance contacts

Data planning: Download transit and hiking maps and save accommodation details in Korean as well as English. Photo sharing, translation and transit apps can increase data use on a multi-city trip.

See how eSIM setup works Check phone compatibility

Networks used by South Korea plans

KT South KoreaSK Telecom South Korea

Networks can vary by plan. Check the plan details before you buy. A travel eSIM can provide mobile data for maps, messaging and travel apps in South Korea. The offer's country or territory inclusion does not guarantee reception at every stop; local availability, partner networks, terrain and device settings affect service. Availability is not guaranteed at every location; verify the selected plan's terms.

Ideas for your trip

South Korea trip planning

Explore Seoul by neighbourhood

Choose a few districts each day and pair historic palaces with markets or contemporary areas rather than crossing the city repeatedly.

Use Busan for a coastal city break

The port city offers a different rhythm from Seoul; choose a base around the neighbourhoods and shoreline you want.

Treat Jeju as an island itinerary

Plan the flight, lodging and outdoor days separately from mainland travel, and confirm current access details for trails and sites.

South Korea trip planner

Plan your South Korea itinerary

For a trip limited to South Korea, compare the destination plan's data, validity and price with any regional option. For a multi-country route, choose a plan only if its current included-country list covers every stop.

01
Arrival and first stay: Seoul
For the first nights around Seoul, keep your lodging address, arrival instructions and first onward connection available offline.
Check that the selected offer includes the destination country or territory, then save the route from your arrival point before leaving Wi-Fi.
02
Planning time in Busan and Jeju
If your route combines Busan and Jeju, confirm the transport between them and keep tickets, meeting points and booking details available offline.
Check that the selected offer includes the destination country or territory; a regional plan name alone does not confirm inclusion. Local service can vary between stops.
03
Make room for Jeju
If Jeju is part of your plans, decide how it fits with the time you have around Seoul and Busan.
Before adding Jeju after Seoul and Busan, check the travel time and save its arrival address and booking details.

South Korea data planning

How much data might your South Korea trip use?

The examples below describe different trip patterns and the assumptions behind each estimate. Your actual use depends on your apps, settings, trip length and access to Wi-Fi.

Seven-day light-use calculator example

3.6–5.5 GB

Assumes: Seven days of messaging, email, browsing and occasional maps, with streaming and video calls off, light social use and few photo uploads. Wi-Fi availability is not included in this activity estimate and may reduce mobile data used.

Seven-day typical-use calculator example

10.1–15.1 GB

Assumes: Seven days with light streaming and video calls, daily maps, moderate social use and photo uploads. Wi-Fi access is not modelled and may reduce mobile data used; hotspot, higher-resolution video and app updates can raise demand.

These are rough planning examples, not plan allowances or promises. Actual data use varies with apps, settings, trip length and Wi-Fi. Compare estimates with the live plan options above.

Estimate usage by activity

Good to know

South Korea eSIM questions

In South Korea, check that the selected offer includes the country or territory, then save directions, lodging information and confirmations for your stops where you can access them offline. Local signal can vary.