Best eSIM for South Korea: 4 providers compared on price
Prices checked 3 October 2026.
As of 3 October 2026, we compared 50 plans from 4 providers for South Korea. Among fixed-data plans, the lowest price per GB is Airalo at $0.98 per GB (50 GB, 30 days, $49.00). The cheapest plan with 5 GB or more and at least 7 days of validity is Airalo, 5 GB, 7 days, at $10.00. The cheapest unlimited plan of 7 days or longer is Ubigi at $25.00 for 7 days. Prices change often, so check the provider's page before you buy.
Lowest price per GB
Airalo
50 GB, 30 days
$49.00
$0.98 per GB
Plans of 3 GB or more.
Cheapest 5 GB+ plan
Airalo
5 GB, 7 days
$10.00
$2.00 per GB
Valid for 7 days or longer.
Cheapest unlimited plan
Ubigi
Unlimited, 7 days
$25.00
$3.57 per day
Valid for 7 days or longer. Check the provider's fair-use terms.
Fixed-data plans, ranked by price per GB
The highlighted row has the lowest price per GB.
| Provider | Data | Validity | Price | Price per GB | Action |
|---|---|---|---|---|---|
| Airalo | 50 GB'짱 Jjang | 30 days | $49.00 | $0.98Lowest | View plan |
| Ubigi | 25 GB | 30 days | $25.00 | $1.00 | View plan |
| Yesim | 30 GB | 30 days | $35.04 | $1.17 | View plan |
| Ubigi | 10 GB | 7 days | $12.00 | $1.20 | View plan |
| Yesim | 20 GB | 30 days | $27.96 | $1.40 | View plan |
| Ubigi | 10 GB | 30 days | $14.00 | $1.40 | View plan |
| Airalo | 20 GB'짱 Jjang | 15 days | $29.00 | $1.45 | View plan |
| Airalo | 20 GB'짱 Jjang | 30 days | $30.00 | $1.50 | View plan |
| Airalo | 10 GB'짱 Jjang | 7 days | $18.00 | $1.80 | View plan |
| Airalo | 10 GB'짱 Jjang | 15 days | $18.50 | $1.85 | View plan |
Show 11 more plans
| Provider | Data | Validity | Price | Price per GB | Action |
|---|---|---|---|---|---|
| Airalo | 10 GB'짱 Jjang | 30 days | $19.00 | $1.90 | View plan |
| Yesim | 10 GB | 30 days | $19.20 | $1.92 | View plan |
| Airalo | 5 GB'짱 Jjang | 7 days | $10.00 | $2.00 | View plan |
| Airalo | 5 GB'짱 Jjang | 15 days | $10.50 | $2.10 | View plan |
| Airalo | 5 GB'짱 Jjang | 30 days | $11.00 | $2.20 | View plan |
| Ubigi | 3 GB | 7 days | $7.00 | $2.33 | View plan |
| Airalo | 3 GB'짱 Jjang | 3 days | $8.00 | $2.67 | View plan |
| Ubigi | 1 GB | 7 days | $3.00 | $3.00 | View plan |
| Yesim | 1 GB | 30 days | $3.00 | $3.00 | View plan |
| Airalo | 3 GB'짱 Jjang | 7 days | $9.00 | $3.00 | View plan |
| Airalo | 1 GB'짱 Jjang | 3 days | $4.00 | $4.00 | View plan |
Unlimited plans, by trip length
Pick your number of days; the cheapest plan for each length is highlighted. Unlimited plans can slow down after a daily amount of data. Read the provider's terms.
| Provider | Data | Validity | Price | Price per day | Action |
|---|---|---|---|---|---|
| Yesim | Unlimited | 1 day | $4.20 | $4.20Cheapest | View plan |
| Holafly | Unlimited | 1 day | $5.90 | $5.90 | View plan |
| Airalo | Unlimited'짱 Jjang | 3 days | $12.00 | $4.00Cheapest | View plan |
| Holafly | Unlimited | 3 days | $12.50 | $4.17 | View plan |
| Yesim | Unlimited | 3 days | $12.60 | $4.20 | View plan |
| Airalo | Unlimited'짱 Jjang | 5 days | $20.00 | $4.00Cheapest | View plan |
| Holafly | Unlimited | 5 days | $20.50 | $4.10 | View plan |
| Yesim | Unlimited | 5 days | $21.00 | $4.20 | View plan |
| Ubigi | Unlimited | 7 days | $25.00 | $3.57Cheapest | View plan |
| Holafly | Unlimited | 7 days | $27.50 | $3.93 | View plan |
Show 19 more plans
| Provider | Data | Validity | Price | Price per day | Action |
|---|---|---|---|---|---|
| Airalo | Unlimited'짱 Jjang | 7 days | $29.00 | $4.14 | View plan |
| Yesim | Unlimited | 7 days | $29.40 | $4.20 | View plan |
| Airalo | Unlimited'짱 Jjang | 10 days | $35.00 | $3.50Cheapest | View plan |
| Yesim | Unlimited | 10 days | $35.93 | $3.59 | View plan |
| Holafly | Unlimited | 10 days | $36.50 | $3.65 | View plan |
| Yesim | Unlimited | 14 days | $44.63 | $3.19Cheapest | View plan |
| Holafly | Unlimited | 14 days | $47.50 | $3.39 | View plan |
| Ubigi | Unlimited | 15 days | $34.00 | $2.27Cheapest | View plan |
| Yesim | Unlimited | 15 days | $46.80 | $3.12 | View plan |
| Airalo | Unlimited'짱 Jjang | 15 days | $49.00 | $3.27 | View plan |
| Holafly | Unlimited | 15 days | $50.50 | $3.37 | View plan |
| Yesim | Unlimited | 20 days | $54.00 | $2.70Cheapest | View plan |
| Holafly | Unlimited | 20 days | $60.90 | $3.05 | View plan |
| Ubigi | Unlimited | 30 days | $49.00 | $1.63Cheapest | View plan |
| Yesim | Unlimited | 30 days | $68.40 | $2.28 | View plan |
| Airalo | Unlimited'짱 Jjang | 30 days | $69.00 | $2.30 | View plan |
| Holafly | Unlimited | 30 days | $73.90 | $2.46 | View plan |
| Holafly | Unlimited | 60 days | $106.50 | $1.78Cheapest | View plan |
| Holafly | Unlimited | 90 days | $138.90 | $1.54Cheapest | View plan |
Frequently asked questions
- What is the cheapest eSIM for South Korea?
- As of 3 October 2026, we compared 50 plans from 4 providers for South Korea. Among fixed-data plans, the lowest price per GB is Airalo at $0.98 per GB (50 GB, 30 days, $49.00). The cheapest plan with 5 GB or more and at least 7 days of validity is Airalo, 5 GB, 7 days, at $10.00. The cheapest unlimited plan of 7 days or longer is Ubigi at $25.00 for 7 days. Prices change often, so check the provider's page before you buy.
- How much does an eSIM for South Korea cost?
- The fixed-data plans we found cost between $3.00 and $49.00, which works out to $0.98 to $4.00 per GB. Unlimited plans start at $4.20.
- Which providers do you compare for this destination?
- Airalo, Holafly, Ubigi, Yesim. A provider is listed only when we have verified prices for this destination.
- Do I need an unlocked phone for an eSIM?
- Yes. An eSIM needs a phone that supports eSIM and is not locked to a carrier. Check your phone's settings or the manufacturer's list before you buy, and install the eSIM before you travel if you can.
Other destinations
Price per GB says nothing about network quality or speed. See the methodology for what this ranking covers.