South KoreaStudy Abroad Data Plans
30+ days long stay, large/unlimited data first · 44 plans
Studying or staying long-term in South Korea (30+ days) calls for large data and stability. This page shows 44 long-term / large-data plans, of which 23 are unlimited, sorted by data amount to help you find a plan that lasts the whole month.
South Korea Study Abroad · Editor's Picks
Sorted by data from high to low, top 3 picks
Choose by travel scenario
30+ days long stay, large/unlimited data first
eSIM Plans with Most Datafor South Korea
South Korea
OvOsim - South Korea 51GB 30 days
south-korea · 4G/5G
$43.19
$43.19
South Korea
RedteaGO - South Korea 50GB 180 days
south-korea ·
$39.90
$27.50
South Korea
Revo eSIM - South Korea 50GB 30 days
south · 4G/5G
$34.55
$34.55
South Korea
Yesim - South Korea 30GB 30 days
SK Telecom / KT / LG U+ · 4G/5G
$36.59
South Korea
RedteaGO - South Korea 20GB 90 days
south-korea ·
$29.90
$11.10
South Korea
Revo eSIM - South Korea 20GB 30 days
south · 4G/5G
$16.95
$16.95
South Korea
Yesim - South Korea 20GB 30 days
SK Telecom / KT / LG U+ · 4G/5G
$29.73
South Korea
Saily - South Korea 20GB 30 days
south-korea · 4G/5G
$29.99
$29.99
South Korea
RedteaGO - South Korea 10GB 60 days
south-korea ·
$19.90
$7.50
South Korea
Revo eSIM - South Korea 10GB 30 days
south · 4G/5G
$9.95
$9.95
South Korea
Yesim - South Korea 10GB 30 days
SK Telecom / KT / LG U+ · 4G/5G
$18.30
South Korea
Saily - South Korea 10GB 30 days
south-korea · 4G/5G
$18.99
$18.99
South Korea
RedteaGO - South Korea 5GB 30 days
south-korea ·
$7.70
$5.80
South Korea
Revo eSIM - South Korea 5GB 30 days
south · 4G/5G
$5.95
$5.95
South Korea
Saily - South Korea 5GB 30 days
south-korea · 4G/5G
$10.99
$10.99
South Korea
RedteaGO - South Korea 3GB 30 days
south-korea ·
$5.50
$3.80
South Korea
Revo eSIM - South Korea 3GB 30 days
south · 4G/5G
$4.15
$4.15
South Korea
Saily - South Korea 3GB 30 days
south-korea · 4G/5G
$8.99
$8.99
South Korea
RedteaGO - South Korea 1GB 30 days
south-korea ·
$2.20
$1.30
South Korea
Yesim - South Korea 1GB 30 days
SK Telecom / KT / LG U+ · 4G/5G
$3.09
South Korea
OvOsim - South Korea 1GB 30 days
south-korea · 4G/5G
$9.71
$9.71
South Korea
RedteaGO - South Korea Unlimited Data 1 days
south-korea ·
$1.90
$0.70
South Korea
GigSky - South Korea Unlimited Data 1 days
kr · 4G/5G
$4.94
$4.94
South Korea
Yesim - South Korea Unlimited Data 1 days
SK Telecom / KT / LG U+ · 4G/5G
$6.29
South Korea
GigSky - South Korea Unlimited Data 3 days
kr · 4G/5G
$10.79
$10.79
South Korea
OvOsim - South Korea Unlimited Data 5 days
south-korea · 4G/5G
$15.11
$15.11
South Korea
Airalo - South Korea Unlimited Data 3 days
kr · 4G/5G
$16.00
$16.00
South Korea
GigSky - South Korea Unlimited Data 5 days
kr · 4G/5G
$17.72
$17.72
South Korea
GigSky - South Korea Unlimited Data 14 days
kr · 4G/5G
$23.39
$23.39
South Korea
GigSky - South Korea Unlimited Data 7 days
kr · 4G/5G
$23.84
$23.84
South Korea
Airalo - South Korea Unlimited Data 5 days
kr · 4G/5G
$26.00
$26.00
South Korea
Yesim - South Korea Unlimited Data 7 days
SK Telecom / KT / LG U+ · 4G/5G
$26.30
South Korea
OvOsim - South Korea Unlimited Data 10 days
south-korea · 4G/5G
$30.23
$30.23
South Korea
Airalo - South Korea Unlimited Data 7 days
kr · 4G/5G
$37.50
$37.50
South Korea
Yesim - South Korea Unlimited Data 15 days
SK Telecom / KT / LG U+ · 4G/5G
$41.17
South Korea
Airalo - South Korea Unlimited Data 10 days
kr · 4G/5G
$41.50
$41.50
South Korea
OvOsim - South Korea Unlimited Data 15 days
south-korea · 4G/5G
$45.35
$45.35
South Korea
Saily - South Korea Unlimited Data 30 days
south-korea · 4G/5G
$48.99
$48.99
South Korea
GigSky - South Korea Unlimited Data 21 days
kr · 4G/5G
$51.74
$51.74
South Korea
OvOsim - South Korea Unlimited Data 30 days
south-korea · 4G/5G
$59.39
$59.39
South Korea
Yesim - South Korea Unlimited Data 30 days
SK Telecom / KT / LG U+ · 4G/5G
$62.89
South Korea
Airalo - South Korea Unlimited Data 15 days
kr · 4G/5G
$63.50
$63.50
South Korea
GigSky - South Korea Unlimited Data 30 days
kr · 4G/5G
$67.22
$67.22
South Korea
Airalo - South Korea Unlimited Data 30 days
kr · 4G/5G
$80.50
$80.50
South Korea tips to avoid pitfalls
- 💡 Install eSIM before landing at the airport.
- 💡 Check if KT / SKT / LG U+ are covered.
- 💡 Group travelers should prioritize plans with hotspot support.
South Korea Study Abroad eSIM FAQ
How much does a South Korea Study Abroad eSIM plan cost?
We currently list 44 South Korea Study Abroad eSIM plans, with prices ranging $0.70 – $80.50. The cheapest is South Korea Unlimited Data 1 days, around $0.70. Actual prices may vary with promotions and exchange rates — check the provider page before purchase.
Is an eSIM cost-effective for studying in South Korea?
For the transition period (your first month), a large-data eSIM is very convenient and avoids queuing for a local SIM. This page has 23 unlimited plans to choose from. For longer stays, a local number is usually cheaper once you're settled — balance it by your stay duration.
Is it better to buy an eSIM or a physical SIM for South Korea?
An eSIM needs no card swap, can be installed before departure, activates right after landing, and supports dual SIM (keeping your home number). A physical SIM suits cases needing a local phone number or a device without eSIM support. Compare eSIM prices here first — they're usually cheaper than airport counters.
How do I activate a South Korea eSIM after landing?
Install it before departure over Wi-Fi. After landing, enable data roaming to auto-activate; if there's still no service after 1-2 minutes, manually select the local operator in settings. Checking device compatibility before departure reduces the risk of activation failure.
⚠️ Read before buying: South Korea eSIM pitfalls guide
Red/black list and common pitfalls like throttling, activation failures