--- title: "eSIM for South Korea from $4.43, easy setup | DualLine" description: "Affordable eSIM for South Korea: 12 plans from $4.43, 1–20 GB or unlimited data, on SK Telecom. Easy setup before you travel." canonical: "https://dualline.co/esim/south-korea" --- Gyeongbokgung · Photo: [Frank Schulenburg](https://commons.wikimedia.org/wiki/File:Gyeonghoeru_%28Royal_Banquet_Hall%29_at_Gyeongbokgung_Palace,_Seoul.jpg) , [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0) # eSIM for South Korea Affordable mobile data for South Korea, with easy setup and a reliable connection on the SK Telecom network. Choose from 12 plans: 1–20 GB or unlimited data, valid 3–30 days, from $4.43 (1 GB for 7 days). The best rate is $1.55 per GB. ## Plans and prices for South Korea There are 6 fixed-data plans for South Korea, from $4.43. The lowest price per GB is $1.55: 20 GB for 30 days. Prices are in US dollars. The final price is shown at checkout. Fixed-data plans for South Korea | Data | Validity | Price | Price per GB | | --- | --- | --- | --- | | 1 GB | 7 days | $4.43 | $4.43 | | 2 GB | 15 days | $7.50 | $3.75 | | 3 GB | 30 days | $9.55 | $3.18 | | 5 GB | 30 days | $11.59 | $2.32 | | 10 GB | 30 days | $19.78 | $1.98 | | 20 GB | 30 days | $31.03 | $1.55 | - [Buy an eSIM for South Korea](https://dualline.co/buy-esim?destination=KR) ## Unlimited data for South Korea Unlimited plans start at $12.62. Each includes 3 GB of high-speed data per day; after that, speed is reduced to 1 Mbps. Unlimited plans for South Korea | Validity | Price | High-speed data | After that | | --- | --- | --- | --- | | 3 days | $12.62 | 3 GB per day | 1 Mbps | | 5 days | $20.80 | 3 GB per day | 1 Mbps | | 7 days | $30.00 | 3 GB per day | 1 Mbps | | 10 days | $36.14 | 3 GB per day | 1 Mbps | | 15 days | $50.46 | 3 GB per day | 1 Mbps | | 30 days | $70.92 | 3 GB per day | 1 Mbps | ## Network: SK Telecom Plans for South Korea connect to the SK Telecom network. Check the network shown on a plan before you buy. ## Calls, SMS and phone numbers Plans for South Korea are data-only: they don’t include a phone number, carrier calls or SMS. If you need a separate number for calls and texts, the DualLine second line is a different product. - [See the DualLine second line](https://dualline.co/second-line) ## Local facts for South Korea General information about mobile networks in South Korea; not specific to DualLine plans. South Korea's three mobile operators are SK Telecom, KT and LG U+. Government data counted about 38.6 million 5G phone subscriptions on their networks, including virtual operators, in January 2026. Source: Digital Daily (디지털데일리). South Korea launched the world's first smartphone-based commercial 5G service on 3 April 2019. Source: Korea.kr (Government of the Republic of Korea). - [Digital Daily (디지털데일리): 국내 5G 가입자, 정말 3860만명일까? \[IT클로즈업\]](https://m.ddaily.co.kr/page/view/2026032414550870711) - [Korea.kr (Government of the Republic of Korea): 5G 상용화 1년…“세계 최초 넘어 세계 최고로”](https://www.korea.kr/news/policyNewsView.do?newsId=148871136) ## Set up before you travel Install the eSIM over Wi-Fi before you leave, then switch mobile data to it when you arrive in South Korea. - [Install an eSIM on iPhone](https://dualline.co/esim/guides/install-esim-iphone) - [Install an eSIM on Android](https://dualline.co/esim/guides/install-esim-android) - [Check eSIM-compatible devices](https://dualline.co/esim-compatible-devices) ## More eSIM destinations Compare plans for other popular destinations, or start with the travel eSIM guide. - [eSIM for Dubai & the UAE](https://dualline.co/esim/united-arab-emirates) - [eSIM for Japan](https://dualline.co/esim/japan) - [eSIM for Thailand](https://dualline.co/esim/thailand) - [eSIM for Turkey](https://dualline.co/esim/turkey) - [eSIM for Singapore](https://dualline.co/esim/singapore) - [eSIM for Indonesia](https://dualline.co/esim/indonesia) - [Travel eSIM guide](https://dualline.co/esim) ## Your take-away checklist - Pick a plan: 1–20 GB or unlimited data, valid 3–30 days. - Check that your phone supports eSIM and is unlocked. - Install the eSIM over Wi-Fi before you travel. - After you arrive, choose the eSIM for mobile data. ## Common questions How much does an eSIM for South Korea cost? Plans start at $4.43 (1 GB for 7 days). The lowest price per GB is $1.55: 20 GB for 30 days. The final price is shown at checkout. Is there an unlimited data eSIM for South Korea? Yes. Unlimited plans start at $12.62 for 3 days. Each includes 3 GB of high-speed data per day; after that, speed is reduced to 1 Mbps. Which mobile network will I use in South Korea? SK Telecom. Check the network shown on a plan before you buy. Does the eSIM for South Korea include calls, SMS or a phone number? No. Plans for South Korea are data-only. If you need a separate number for calls and texts, see the DualLine second line. How long are eSIM plans for South Korea valid? Plans are valid for 3 to 30 days. Check when validity starts: on some plans it starts at installation, on others when the eSIM first connects. When should I install the eSIM for South Korea? Install it over Wi-Fi before you leave, then switch it on for mobile data when you arrive. ## Sources and support Plan prices come from DualLine’s catalogue. Local facts link to the source we checked. - [Digital Daily (디지털데일리): 국내 5G 가입자, 정말 3860만명일까? \[IT클로즈업\]](https://m.ddaily.co.kr/page/view/2026032414550870711) - [Korea.kr (Government of the Republic of Korea): 5G 상용화 1년…“세계 최초 넘어 세계 최고로”](https://www.korea.kr/news/policyNewsView.do?newsId=148871136) [Contact DualLine support](https://dualline.co/support) · [Refund and cancellation terms](https://dualline.co/refund-cancellation) ## Your next step [### How to install an eSIM on iPhone Install your DualLine eSIM on iPhone with a QR code, supported link or manual details. Choose the data line and check activation before travelling. Read guide](https://dualline.co/esim/guides/install-esim-iphone) [### How to install an eSIM on Android Set up a DualLine travel eSIM on Android. Follow Samsung or Pixel settings, choose QR or manual installation and select the right data line. Read guide](https://dualline.co/esim/guides/install-esim-android) [### Travel eSIM prices by country Compare travel eSIM prices for 199 destinations: the lowest plan price, the lowest price per GB and the cheapest unlimited plan, all dated. Read guide](https://dualline.co/esim/guides/esim-prices-by-country) [### Will your travel eSIM connect? Networks by country See the local mobile networks DualLine travel eSIM plans use in 199 destinations, and the checks that help your eSIM connect when you arrive. Read guide](https://dualline.co/esim/guides/esim-networks-by-country)