Best eSIM for South Korea 2026: every seller's price, side by side
List prices in USD for the same data and validity, from 30 sellers our price radar reads (the 9 with the widest coverage are shown). No discount codes, no "from" prices: the plan you would actually buy. Slashtel's best value for South Korea today is 20GB for 15 days at $16.09 ($0.80 per GB).
| Plan | Slashtel | Saily | Nomad | Airalo | RedteaGO | BNESIM | AlpineSIM | Lebara | Maya Mobile | Yatelo | Cheapest |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1GB · 7 days | $2.59 | $3.99 | $4.00 | – | $7.50 | $31.55 | $0.98 | $13.22 | – | $1.30 | AlpineSIM |
| 1GB · 15 days | $4.49 | – | – | – | $7.50 | $31.55 | $15.09 | $19.83 | $4.99 | – | Slashtel |
| 1GB · 30 days | $4.69 | – | – | – | $1.30 | $1.96 | $27.78 | $33.05 | $7.99 | – | RedteaGO |
| 2GB · 7 days | $4.49 | – | – | – | $7.50 | $31.55 | $14.54 | $13.22 | – | – | GoMoWorld |
| 2GB · 15 days | $4.49 | – | – | – | $7.50 | $31.55 | $30.15 | $19.83 | – | $4.38 | JamboSim |
| 2GB · 30 days | $4.69 | – | – | – | $7.50 | $31.55 | $47.62 | $33.05 | – | $50.23 | Slashtel |
| 3GB · 7 days | $4.49 | – | – | $9.00 | $7.50 | $31.55 | $21.82 | $19.83 | – | – | Slashtel |
| 3GB · 15 days | $4.49 | – | – | – | $7.50 | $31.55 | $2.41 | $19.83 | – | $34.48 | AlpineSIM |
| 3GB · 30 days | $4.69 | $8.99 | $8.00 | – | $3.80 | $2.36 | $2.55 | $33.05 | – | $2.97 | BNESIM |
| 5GB · 7 days | $6.59 | – | – | $10.00 | $7.50 | $31.55 | $35.45 | $33.05 | – | – | TripoSIM |
| 5GB · 15 days | $6.59 | – | – | $10.50 | $7.50 | $31.55 | $62.99 | $33.05 | $7.99 | – | Monty eSIM |
| 5GB · 30 days | $6.59 | $10.99 | $10.00 | $11.00 | $5.80 | $2.75 | $3.82 | $33.05 | $9.99 | $4.32 | BNESIM |
| 10GB · 7 days | $10.89 | – | – | $18.00 | $7.50 | $31.55 | $38.95 | – | – | – | RedteaGO |
| 10GB · 15 days | $10.89 | – | – | $18.50 | $7.50 | $31.55 | $80.75 | – | $14.99 | – | TripoSIM |
| 10GB · 30 days | $10.89 | $18.99 | $18.00 | $19.00 | $7.50 | $4.73 | $6.66 | – | $16.99 | $7.29 | BNESIM |
| 15GB · 7 days | $16.09 | – | – | – | $11.10 | $31.55 | – | – | – | – | RedteaGO |
| 15GB · 15 days | $16.09 | – | – | – | $11.10 | $31.55 | – | – | – | – | RedteaGO |
| 15GB · 30 days | $16.09 | – | – | – | $11.10 | $31.55 | – | – | – | – | RedteaGO |
| 20GB · 7 days | $16.09 | – | – | – | $11.10 | $31.55 | – | – | – | – | RedteaGO |
| 20GB · 15 days | $16.09 | – | – | $29.00 | $11.10 | $31.55 | – | – | $24.99 | – | RedteaGO |
| 20GB · 30 days | $16.09 | $29.99 | $28.00 | $30.00 | $11.10 | $7.09 | $11.62 | – | $27.99 | $12.30 | BNESIM |
| 50GB · 7 days | $33.69 | – | – | – | $27.50 | $31.55 | – | – | – | – | RedteaGO |
| 50GB · 15 days | $33.69 | – | – | – | $27.50 | $31.55 | – | – | $43.99 | – | RedteaGO |
| 50GB · 30 days | $33.69 | – | $39.00 | $49.00 | $27.50 | $15.77 | $24.08 | – | $47.99 | $24.65 | BNESIM |
"–" means that seller has no plan of at least that size and validity. Competitor prices are read from their public sites and may lag a day; a seller's name is its trade mark.
See all Slashtel South Korea plans →
Questions
Which eSIM is cheapest for South Korea?
On 10 October 2026, across 24 plan sizes we track, Slashtel was the cheapest on 3; the table shows every seller's price per size so you can check your own usage. Prices are list prices in USD without discount codes.
How much data do I need for South Korea?
Maps, messaging and browsing use about 0.3GB a day; video calls and streaming about 1GB a day. A week needs 3GB for most people; two weeks 5GB; a month 10GB.
Are these prices live?
Competitor prices are read from their public sites by our price radar and refreshed daily; Slashtel prices are our live catalogue. Last check: 10 October 2026.
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