Surfroam
1.5GB
Data
365 days
Validity
$8.64
$5.79/GB
South KoreaAny lengthNormal · ≈500 MB/dayFind your eSIM for South Korea
Showing all plan lengths — tell us your trip length and we'll rank by what your days actually cost.
12 plans · 1 providers
How we rankLowest total price first. Data allowances differ.
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Surfroam
3.0GB
Data
365 days
Validity
$14.08
$4.72/GB
Surfroam
4.5GB
Data
365 days
Validity
$19.51
$4.36/GB
Surfroam
7.0GB
Data
30 days
Validity
$19.51
$2.80/GB
Surfroam
11.6GB
Data
30 days
Validity
$27.17
$2.34/GB
Surfroam
7.5GB
Data
365 days
Validity
$27.17
$3.64/GB
Surfroam
14.9GB
Data
365 days
Validity
$54.35
$3.64/GB
Surfroam
23.3GB
Data
30 days
Validity
$54.35
$2.34/GB
Surfroam
31.3GB
Data
365 days
Validity
$108.70
$3.47/GB
Surfroam
48.8GB
Data
30 days
Validity
$108.70
$2.23/GB
Surfroam
127.9GB
Data
30 days
Validity
$271.74
$2.12/GB
Surfroam
82.1GB
Data
365 days
Validity
$271.74
$3.31/GB
Good to know in South Korea
Install before departure and keep the travel line selected for mobile data. South Korea's underground rail journeys can include brief hand-offs; save accommodation details offline for the airport-to-city transfer.
Also travelling to…
Good questions about South Korea eSIMs
What is the cheapest eSIM for South Korea?
Plans start at $0.29 and the median price is $1.08/GB. Prices re-checked 2 h ago.
When should I install an eSIM for South Korea?
Install on reliable Wi-Fi within the provider's documented window. Some plans start validity at installation and others at first connection, so follow the selected plan's email rather than assuming.
Are unlimited eSIM plans available for South Korea?
Yes. 291 current plans are listed as unlimited. Read each network note for a daily high-speed allowance or throttle rule; “unlimited” is not automatically full speed all day.
Are coupon prices included in the South Korea ranking?
Yes. 370 current plans have a display-allowed coupon, and RoamSonar ranks their verified effective price. Read whether the code is automatic or entered at checkout.