Choose a South Korea eSIM by data and days
Data-only eSIM for travel, business or study in South Korea. Set it up on your phone before departure and get online as soon as you arrive.
- South Korea coverage
- Data-only: phone-number calls and SMS are not supported, but app calls such as LINE/WhatsApp work over data
- Easy one-tap setup right after purchase (QR/manual also supported — prepare over Wi-Fi before you go)
- Turn on mobile data after arrival to start using it
Key points before buying for South Korea
| Data-only? | Yes. Data only: phone-number calls and SMS are not included. |
|---|---|
| When validity starts | Varies by plan (some count from installation, others from the first connection at your destination). Please check each plan’s detail page. |
| Device compatibility & SIM lock | You need an eSIM-compatible, carrier-unlocked device. Please check that your device supports eSIM before buying. |
| Tethering | Varies by plan. Please check each plan’s detail page. |
| Top-up | Every plan shown here can be topped up from My Page. |
| Unlimited plans: high-speed data and limits | Some plans are unlimited with a daily high-speed allowance (1GB, 2GB, 3GB, 5GB, 10GB per day). Speed may drop after the daily allowance, and conditions differ by plan. About Unlimited Max |
Plans available for South Korea (tax incl.)
For each data and validity combination, the lowest-priced product is shown. Products with the same name can differ in networks or conditions, so please check each product’s detail page before buying.
| Product | Data | Validity | Price | Networks | Details |
|---|---|---|---|---|---|
| South Korea eSIM 100MB data / 7 days | 100MBA very light pace — for occasional checks or a backup line. | 7 days | 0.77 USD / 7 days | SKTelecom (5G) / LG Uplus (5G) | View details |
| South Korea eSIM 500MB data / 7 days | 500MBA very light pace — for occasional checks or a backup line. | 7 days | 0.86 USD / 7 days | SKTelecom (5G) / LG Uplus (5G) | View details |
| South Korea eSIM 1GB data / 7 days | 1GB | 7 days | 1.18 USD / 7 days | SKTelecom (5G) / LG Uplus (5G) | View details |
| South Korea eSIM 3GB data / 15 days | 3GB | 15 days | 2.55 USD / 15 days | SKTelecom (5G) / LG Uplus (5G) | View details |
| South Korea eSIM 3GB data / 30 days | 3GB | 30 days | 2.70 USD / 30 days | SKTelecom (5G) / LG Uplus (5G) | View details |
| South Korea eSIM 5GB data / 30 days | 5GB | 30 days | 4.05 USD / 30 days | SKTelecom (5G) / LG Uplus (5G) | View details |
| South Korea eSIM 10GB data / 30 days | 10GB | 30 days | 7.05 USD / 30 days | SKTelecom (5G) / LG Uplus (5G) | View details |
| South Korea eSIM 20GB data / 30 days | 20GB | 30 days | 12.30 USD / 30 days | SKTelecom (5G) / LG U+ (5G) | View details |
| South Korea eSIM 50GB data / 30 days | 50GB | 30 days | 25.50 USD / 30 days | SKTelecom (5G) / LG Uplus (5G) | View details |
| South Korea eSIM unlimited data (1GB/day high-speed) / 1 day | unlimited data (1GB/day high-speed) | 1 day | 1.27 USD / 1 day | SKTelecom (5G) / LG Uplus (5G) | View details |
| South Korea eSIM unlimited data (2GB/day high-speed) / 1 day | unlimited data (2GB/day high-speed) | 1 day | 2.18 USD / 1 day | SKTelecom (5G) / LG Uplus (5G) | View details |
| South Korea eSIM unlimited data (3GB/day high-speed) / 1 day | unlimited data (3GB/day high-speed) | 1 day | 2.31 USD / 1 day | SKTelecom (5G) / LG Uplus (5G) | View details |
| South Korea eSIM unlimited data (5GB/day high-speed) / 1 day | unlimited data (5GB/day high-speed) | 1 day | 4.62 USD / 1 day | SKTelecom (5G) / LG Uplus (5G) | View details |
| South Korea eSIM unlimited data (10GB/day high-speed) / 1 day | unlimited data (10GB/day high-speed) | 1 day | 7.26 USD / 1 day | SKTelecom (5G) / LG Uplus (5G) | View details |
Prices are reviewed periodically. See the comparison page for the latest prices and products not listed here. Compare South Korea plans
What this page covers
- Plans you can buy
- How to choose data
- How to set up
- If it won't connect
- FAQ
Why use an eSIM in South Korea
- No hunting for a physical SIM at the airport—set it up on your phone before you go
- Keep your home SIM in place and just add an overseas data plan
- Use maps, ride-hailing, messaging and translation apps right after arrival
- Choose data and days to fit anything from short trips to long stays
Where your eSIM helps in Korea (local apps & network)
- For maps and directions, locals use Naver Map and KakaoMap. Google Maps has limited routing in Korea, so these two help you get around.
- Papago is strong for Korean translation—handy for menus and signs.
- For taxis, the Kakao T app helps you get around despite the language barrier.
- Korea has strong 4G/5G coverage, especially in cities. Cafe Wi-Fi exists, but your own line is reassuring on the move and for maps.
South Korea eSIM price guide (tax incl.)
| Data | Validity | Price (tax incl.) |
|---|---|---|
| 100MB | 7 days | 0.77 USD |
| 500MB | 7 days | 0.86 USD |
| 1GB | 7 days | 1.18 USD |
| 3GB | 15 days | 2.55 USD |
| 3GB | 30 days | 2.70 USD |
| 5GB | 30 days | 4.05 USD |
| 10GB | 30 days | 7.05 USD |
| 20GB | 30 days | 12.30 USD |
| 50GB | 30 days | 25.50 USD |
| Data / day | Price (tax incl.) |
|---|---|
| 1GB / day | 1.27 USD / day |
| 2GB / day | 2.18 USD / day |
| 3GB / day | 2.31 USD / day |
| 5GB / day | 4.62 USD / day |
| 10GB / day | 7.26 USD / day |
Prices shown include tax and may change. Please check the latest on the comparison page before buying. See latest on the comparison page
South Korea eSIM: cheapest plan by trip length
The cheapest fixed-data plan for each validity period.
Lowest price: 0.77 USD (100MB, 7 days)
| Validity | Data | Lowest price (tax incl.) |
|---|---|---|
| 7 days | 100MB | 0.77 USD |
| 15 days | 3GB | 2.55 USD |
| 30 days | 3GB | 2.70 USD |
Networks you can use in South Korea
Networks supported by the plans Bloomy offers for South Korea. The supported networks differ by product.
- LG U+ 5G
- SK Telecom 5G
The networks you can use differ by plan. See the plan list above and each product’s detail page for its networks.
There are also 77 regional plans that include South Korea, handy if you visit nearby countries too.
How to choose your data amount
- Email, maps, messaging: about 0.3–0.5GB per day
- Plus SNS, photos, browsing: about 0.5–1GB per day
- Heavy video or tethering: about 1–2GB+ per day
- For long stays or uncertain use, consider an unlimited plan
These are rough guides; actual usage varies by app and behavior.
Setting up your eSIM for South Korea
Before departure, set up the eSIM over Wi-Fi (one-tap / QR / manual)
On arrival in South Korea, select Bloomy eSIM for mobile data
Turn on data roaming for the Bloomy eSIM line if needed
Device compatibility & SIM lock
You need an eSIM-compatible, carrier-unlocked device. Please check your device supports eSIM before buying.
If it won't connect in South Korea
Check that Bloomy eSIM is selected for mobile data, data roaming is on, and you have signal.
FAQ: eSIM for South Korea
Will this eSIM work in South Korea?
When should I set it up?
Can I use a phone number or SMS?
What happens if I run out of data?
Can I use it as soon as I land in South Korea?
Which networks does it use in South Korea?
How many days should my plan cover?
Related pages
Heading to South Korea?
Compare data, days and coverage to find the plan that fits you.
Compare South Korea plans