Which eSIM is the best value for South Korea?
At least 5 GB for 30 days in South Korea costs from $5.61 to $17.91 across 5 providers. eSIMCard has the lowest price. Yesim is our Editor's Choice.
| # | Name | Score | South Korea: 5 GB+, 30 days | Top-up | Refund | |
|---|---|---|---|---|---|---|
| 1 | Yesim Editor's Choice | 6.8 | $17.91 | Some plans | 30 days, unused | Get eSIM |
| 2 | eSIMCard | 7.3 | $5.61 | Some plans | Technical issues only | Get eSIM |
| 3 | Saily | 6.1 | $10.99 | Yes | Before activation | Get eSIM |
| 4 | Airalo | 5.6 | $11.75 | Some plans | – | Get eSIM |
| 5 | Ubigi | 4.1 | $14 | Yes | Before activation | Get eSIM |
Editor's Choice is placed first; other rows follow the column shown. We earn a commission from some providers. Prices were checked on official sites and change often.
Find a plan for South Korea
83 plans from 7 providers, checked on official sites on 2026-11-09. Filter by trip length and data.
83 plans match
| eSIMCard | 1 GB · 7 days | $1.90 | $1.90/GB | Review |
| eSIMCard | 1 GB · 30 days | $1.93 | $1.93/GB | Review |
| Yesim | 1 GB · 30 days | $2.80 | $2.80/GB | Get plan |
| Ubigi | 1 GB · 7 days | $3.00 | $3.00/GB | Review |
| eSIMCard | 3 GB · 7 days | $3.37 | $1.12/GB | Review |
| Yesim | Unlimited · 1 day | $3.92 | – | Get plan |
| Saily | 1 GB · 7 days | $3.99 | $3.99/GB | Get plan |
| eSIMCard | 3 GB · 30 days | $4.03 | $1.34/GB | Review |
| Airalo | 1 GB · 3 days | $4.48 | $4.48/GB | Get plan |
| eSIMCard | 5 GB · 7 days | $4.91 | $0.98/GB | Review |
| eSIMCard | 5 GB · 30 days | $5.61 | $1.12/GB | Review |
| Ubigi | 3 GB · 7 days | $7.00 | $2.33/GB | Review |
Prices in USD, converted at the ECB rate of 2026-11-09. Editor's Choice is pinned first. Check the final price and terms on the provider's site.
Best value among these 5 South Korea eSIMs depends on top-ups and refund rules, since all plans last 30 days. Price matters too, but it only tells part of the story.
Why equal plan length changes the comparison
Every plan in the table runs for 30 days with at least 5 GB. That makes the prices directly comparable.
The next questions are simple. Can you add data mid-trip? What happens to data you never use?
Not sure how much you need? Our data guide helps you estimate it.
Where Yesim fits for a month in South Korea
Yesim is shown first as Editor's Choice. The other providers follow the price column.
Its plan covers the same 30 days as the rest. It also offers pay as you go, which suits trips with unpredictable data use.
Unused plans can be refunded within 30 days. At $17.91, it is the highest price in this table. We earn a commission from Yesim.
Full details are in our Yesim review.
South Korea eSIM prices side by side
eSIMCard has the lowest price, at $5.61. Saily is the next lowest, just under Airalo.
Airalo sits in the middle of the group at $11.75. Ubigi costs more than Airalo but less than Yesim.
Should price be your only concern, the lower end of the table wins. When flexibility matters more, weigh top-ups and refunds alongside the cost.
How this ranking was put together
Each provider's overall score follows the same process. The full approach is explained on our methodology page.
Want to see providers matched head to head? Browse all comparisons for more detail.
More rankings
Frequently asked questions
Do all these South Korea plans last the same length?
Yes. Every plan in the table covers 30 days and includes at least 5 GB of data.
Why is Yesim listed first in the table?
Yesim is placed first as Editor's Choice by editorial decision. The other providers follow the price column.
Can I get a refund on an unused Yesim plan?
Yes. Yesim offers a refund on unused plans within 30 days.
What is the middle price among these eSIMs?
Airalo sits in the middle of the 5 providers, at $11.75 for 30 days.
- November 10, 2026: Text revised