RedEx
Unlimited
Data
1 days
Validity
$1.63
$1.39
per-day —
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
South KoreaAny lengthNormal · ≈500 MB/day Plan prices checked 3 min agoFind your eSIM for South Korea
Compare data, coverage and total prices. Choose a plan that fits your trip.
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Data
Total price
Plan features
Only plans with confirmed features.
Providers
42 liveShowing all plan lengths — tell us your trip length and we'll rank by what your days actually cost.
72 plans · 1 providers
How we rankLowest total price first. Data allowances differ.
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RedEx
0.1GB
Data
7 days
Validity
$1.71
$1.45
$14.85/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
0.5GB
Data
7 days
Validity
$1.82
$1.55
$3.17/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
1GB
Data
7 days
Validity
$2.13
$1.81
$1.81/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
3GB
Data
3 days
Validity
$2.56
$2.18
$0.73/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
3GB
Data
5 days
Validity
$2.76
$2.35
$0.78/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
3GB
Data
7 days
Validity
$2.95
$2.51
$0.84/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
Unlimited
Data
2 days
Validity
$2.95
$2.51
per-day —
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
3GB
Data
10 days
Validity
$3.14
$2.67
$0.89/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
3GB
Data
15 days
Validity
$3.19
$2.71
$0.90/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
3GB
Data
30 days
Validity
$3.29
$2.80
$0.93/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
5GB
Data
3 days
Validity
$3.34
$2.84
$0.57/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
5GB
Data
5 days
Validity
$3.53
$3.00
$0.60/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
Unlimited
Data
3 days
Validity
$3.53
$3.00
per-day —
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
5GB
Data
7 days
Validity
$3.73
$3.17
$0.63/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
2GB
Data
15 days
Validity
$3.81
$3.24
$1.62/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
5GB
Data
10 days
Validity
$3.92
$3.33
$0.67/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
5GB
Data
15 days
Validity
$4.11
$3.49
$0.70/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
Unlimited
Data
4 days
Validity
$4.11
$3.49
per-day —
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
5GB
Data
30 days
Validity
$4.24
$3.60
$0.72/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
10GB
Data
3 days
Validity
$4.70
$4.00
$0.40/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
Unlimited
Data
5 days
Validity
$4.70
$4.00
per-day —
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
10GB
Data
5 days
Validity
$4.89
$4.16
$0.42/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
RedEx
10GB
Data
7 days
Validity
$5.07
$4.31
$0.43/GB
Price includes code−15% · all customers · Enter ESIMADVICE15 at checkout; not auto-applied.
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.
Good questions about South Korea eSIMs
What is the cheapest eSIM for South Korea?
Plans start at $0.40 and the median price is $1.09/GB. For a 15-day trip, the cheapest works out to about $0.03 per travel day. Prices re-checked 3 min 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. 217 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. 555 current plans have a display-allowed coupon, and RoamSonar ranks their verified effective price. Read whether the code is automatic or entered at checkout.