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South Korea/Seoul

Airport SIM & eSIM Prices

Compare SIM and eSIM prices by vendor and duration.

KT Prepaid SIM (5 days)

KT
5 days

Unlimited data, physical SIM. Reserve online before arrival to skip the queue.

📍 Incheon Airport T1, 1F arrival hall — carrier booths cluster near Exit 2, Exit 9–10, and Exit 13; the Exit 13 KT booth runs 24 hours.
SIM card₩33,000

KT Prepaid SIM (10 days)

KT
10 days

Unlimited data, physical SIM, longer-stay option.

📍 Incheon Airport T1, 1F arrival hall — carrier booths cluster near Exit 2, Exit 9–10, and Exit 13; the Exit 13 KT booth runs 24 hours.
SIM card₩50,000

SKT eSIM (5 days)

SKT
5 days

Unlimited data at full speed, no physical SIM swap needed — activate before you fly.

📍 Incheon Airport T1, 1F arrival hall — carrier booths cluster near Exit 2, Exit 9–10, and Exit 13; the Exit 13 KT booth runs 24 hours.
eSIM₩25,000

SKT eSIM (10 days)

SKT
10 days

Unlimited data at full speed, longer-stay option.

📍 Incheon Airport T1, 1F arrival hall — carrier booths cluster near Exit 2, Exit 9–10, and Exit 13; the Exit 13 KT booth runs 24 hours.
eSIM₩40,000

LG U+ Prepaid SIM (5 days)

LG U+
5 days

Unlimited data, physical SIM, T2 counter open 24 hours.

📍 Incheon Airport T2, 1F arrival hall, near Exit 5 (KT's counter is right there too); SKT's T2 counter is a bit further, near Exit 6.
SIM card₩30,000

Convenience Store Prepaid SIM (5 days)

CU / 7-Eleven
5 days

Sold at CU/7-Eleven inside the arrival hall — no carrier-desk queue, but staff may not speak much English.

📍 Incheon Airport T1, 1F arrival hall — CU convenience store near Arrival Hall E.
SIM card₩29,000

Reseller eSIM (5 days)

공항유심센터 (Airport USIM Center, reseller)
5 days

Often the cheapest option if booked online in advance — data amount/speed varies by plan, so check the fine print.

📍 Reserved online — pick up at Incheon T1, 3F departure area near Gate 30 (across from the Book & Drink bookstore), 07:00–21:00.
eSIM₩22,000

Reseller eSIM (10 days)

공항유심센터 (Airport USIM Center, reseller)
10 days

Longer-stay reseller eSIM option, booked online in advance.

📍 Reserved online — pick up at Incheon T1, 3F departure area near Gate 30 (across from the Book & Drink bookstore), 07:00–21:00.
eSIM₩35,000

Gimpo Airport Prepaid SIM (5 days)

SKT / KT / LG U+
5 days

Smaller counter than Incheon (Gimpo mainly serves domestic + a few short-haul international routes), similar pricing.

📍 Gimpo Airport, 1F international terminal — SKT's counter is right by Gate 1; other carriers share the same floor but check hours before counting on a specific desk.
SIM card₩30,000

Home Carrier Roaming (for comparison)

본인 통신사 (해외 로밍)
5 days

Usually the most convenient but often the most expensive option — shown here so you can compare before buying. Check your carrier's Korea roaming rate before you fly.

📍 No airport visit needed — activates automatically on arrival
eSIM₩60,000