How much does an eSIM for South Korea cost?

Plans for South Korea start at $2.34 for 1 GB valid for 7 days. The largest gives you 50 GB for 30 days at $36.55. Prices are in US dollars and are the final amount you pay.

Which mobile networks does the South Korea eSIM use?

In South Korea the plans run on SKTelecom and LG Uplus. Your phone connects to whichever is available where you are.

Does the South Korea eSIM support 5G?

Yes. 5G is listed for SKTelecom and LG Uplus. You get it where the local network has 5G coverage and your iPhone supports 5G; elsewhere the eSIM uses the fastest network available.

Can I use the same eSIM in other countries?

The plans on this page work in South Korea only. If your trip continues, the Asia plan covers South Korea and 19 other countries on one eSIM, from $5.42.

When does my South Korea plan start?

When the eSIM first connects to a network in South Korea, not when you buy it — so you can install it at home before you travel.

Does the South Korea eSIM give me a local phone number?

No. These plans are data-only: mobile internet, not a local phone number, and no calls or SMS. Your usual number stays on your iPhone.

How do I buy a South Korea eSIM?

On this website or in the Voyafi app: pick South Korea, choose a plan and pay once. You confirm your phone supports eSIM before you pay, then install the plan with one tap.

South Korea eSIM

Name: South Korea eSIM
Brand: Voyafi
Availability: InStock

Prepaid mobile data for South Korea, from $2.34. One payment, no subscription, installed straight onto your phone.

Prefer the app? Voyafi is on the App Store and Google Play.

Plans for South Korea

Every plan below is a single payment. Most give a set amount of data over a set number of days; plans marked “per day” give a daily data allowance instead.

Short answer: South Korea eSIM, 1 GB for 7 days: $2.34; 3 GB for 30 days: $3.87. Final prices in US dollars; you can install it before you fly. Daily plans from $2.47 for 1 GB per day. Networks: SKTelecom and LG Uplus; network type: 5G. Validity starts when the eSIM first connects in South Korea. Data only: no phone number, calls or SMS.

Prices and networks checked: 12 November 2026

3 GB
30 days
$3.87
Buy
5 GB
30 days
$5.81
Buy
10 GB
30 days
$10.11
Buy
20 GB
30 days
$17.63
Buy
50 GB
30 days
$36.55
Buy

“Per day” plans have a daily data allowance, and the price shown is for 1 day of use. Some slow down to a lower speed once the day’s data is used.

Validity starts when the eSIM first connects to a network in South Korea.

Buy your South Korea eSIM

Prefer the app? Voyafi is on the App Store and Google Play.

South Korea eSIM at a glance

Voyafi has 12 prepaid eSIM plans for South Korea, with 1–50 GB of data valid for 1–30 days. The cheapest is 1 GB for 7 days at $2.34. In South Korea the plans run on SKTelecom and LG Uplus. 5G is listed for all of them, where the local network supports it and your iPhone does too.

Plans: 12
Data: 1–50 GB
Validity: 1–30 days
Starting price: $2.34
Networks: SKTelecom and LG Uplus
Network type: 5G

Networks in South Korea

Your phone connects to one of these partner networks. Which one it picks depends on where you are and on signal strength.

Operator	Network
SKTelecom	5G
LG Uplus	5G

5G is available on some of these networks, where the local network supports it and your phone does too.

South Korea eSIM: common questions

How much does an eSIM for South Korea cost?: Plans for South Korea start at $2.34 for 1 GB valid for 7 days. The largest gives you 50 GB for 30 days at $36.55. Prices are in US dollars and are the final amount you pay.
Which mobile networks does the South Korea eSIM use?: In South Korea the plans run on SKTelecom and LG Uplus. Your phone connects to whichever is available where you are.
Does the South Korea eSIM support 5G?: Yes. 5G is listed for SKTelecom and LG Uplus. You get it where the local network has 5G coverage and your iPhone supports 5G; elsewhere the eSIM uses the fastest network available.
Can I use the same eSIM in other countries?: The plans on this page work in South Korea only. If your trip continues, the Asia plan covers South Korea and 19 other countries on one eSIM, from $5.42.
When does my South Korea plan start?: When the eSIM first connects to a network in South Korea, not when you buy it — so you can install it at home before you travel.
Does the South Korea eSIM give me a local phone number?: No. These plans are data-only: mobile internet, not a local phone number, and no calls or SMS. Your usual number stays on your iPhone.
How do I buy a South Korea eSIM?: On this website or in the Voyafi app: pick South Korea, choose a plan and pay once. You confirm your phone supports eSIM before you pay, then install the plan with one tap.

Regional plans that also cover South Korea

Travelling on to other countries? One of these may suit the whole trip better.

Asiafrom $5.42 Globalfrom $9.57

More destinations on the Asia plan

These countries share a regional plan with South Korea. Each also has its own single-country plans.

Thailandfrom $2.34 Japanfrom $2.34 Malaysiafrom $2.34 Saudi Arabiafrom $3.54 Hong Kongfrom $2.34 Indonesiafrom $2.34 Vietnamfrom $2.47 Singaporefrom $2.08

Before you go

Check that your phone supports eSIM and is carrier-unlocked. You confirm this before you pay.

Install the eSIM at home over Wi-Fi. Downloading an eSIM needs an internet connection.

After you land, turn on data roaming for the travel line and select it for mobile data.

These plans are data-only: mobile internet, not a local phone number.