eSIMs for South Korea Travel
Seoul and Busan get fast, dense coverage from local networks, so the real differences between plans here come down to validity length, whether tethering is allowed, and how painless it is to swap eSIMs while connecting through Incheon on a longer Asia trip.
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Pay-as-you-go eSIM app with per-GB pricing and in-app top-ups for South Korea data.
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Ultra-budget eSIM marketplace starting at $0.50/GB with flexible prepaid plans and instant activation
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Korea eSIM guide and provider with setup resources and mobile data access, 18+ age requirement
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Official South Korean carrier providing local eSIM with 4G/LTE 3GB daily plus unlimited at 5Mbps; up to 30 days with 010 phone number.
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Official SK Telecom eSIM direct from Korea's largest carrier; true unlimited 5G/LTE with 010 number and instant email activation.
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Direct access to SK Telecom and KT with 5G coverage in Seoul, Busan, and Jeju via fixed 30-day plans
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Official U.S. sales partner of SK Telecom, eSIM with embedded phone number, 2-90 day usage periods
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Korean MVNO with unlimited 20Mbps data and 010 phone number, 3-90 day plans require 2-day pre-order
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Korea-focused eSIM specialist with SKT, KT, LG U+, and Dosirak options from 3 days to 1 month
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WiFi Dosirak's eSIM service with 1GB per day valid 3-30 days; uses KT and LG U+ networks with instant email QR code delivery.
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Budget eSIM with 5GB to unlimited Korea plans for 7-30 days; hassle-free activation with no documentation required.
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Tourist pass bundle with KT and SKT eSIM options, free eSIM included with Discover Seoul Pass
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Straightforward Korea eSIM with 4G/5G coverage and QR code delivery in plans from 1GB/7 days
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Korean MVNO with QR code eSIM, 15-day plans at $19 with 300MB daily before 3Mbps throttle
Frequently asked questions
How can I get an eSIM if I want unlimited data in South Korea?
You can choose Holafly for unlimited-data plans on the LG U+ network. LG U+ also offers official unlimited 5G and LTE data plans that you can pick up at major airports.
What is the easiest way to install an eSIM before I land?
KKday offers one-click installation for iOS 17.4+ users via their app. Creatrip also provides 24-hour pre-arrival delivery for their eSIM options.
I'm on a tight budget. Are there any cheap options for small amounts of data?
MobiMatter is an ultra-budget marketplace with plans starting as low as $0.50 per GB. Maya Mobile also offers pay-as-you-go pricing based on the amount of data you use.
I'm traveling through several Asian countries. Can I manage my South Korea data easily?
Saily and Maya Mobile both allow you to perform in-app top-ups if you run out of data. If you use Nomad, you can also earn referral credits to get free data for your trip.
Can I buy an eSIM directly through my phone settings?
Yes, you can purchase Ubigi through your device's built-in eSIM settings if your phone is supported.