Asia
AsiaSouth Korea eSIM
Landmarks · Seoul · Busan · Jeju
From $2.49. Data only, no app, and your home number keeps working.
Also going to Japan? Both packs of this size: $9.58. Asia 14 regional covers both on one QR: $6.99.
Not sure which size? Work it out
7 days at about 600 MB a day ≈ 4.2 GB. 5 GB fits, $4.79.
Same 5 GB / 30 days: $4.79 here, $11.00 at Airalo. Checked 31 Oct 2026.
Day Pass
Unlimited data: 3 GB a day at full speed, then 1 Mbps with no cut-off until the allowance resets. For heavy days, video calls or sharing a hotspot.
- Hotspot works; it counts toward the 3 GB.
- 1 Mbps still runs maps, messages and mail; video calls in low quality.
- Days start: first attach to a covered network. The daily 3 GB is the only cap, and it is all written here.
- Refund if unusedNot installed? 30 days to cancel.
- QR by emailInstall on Wi-Fi, switch on when you land.
- Secure checkoutStripe. Card, Apple Pay, Google Pay. Pay in your own currency.
- Independent reviewRead our MyBestSim review.
- A person, not a botWrite any hour: a reply in minutes.
- Networks
- SKTelecom + LG UplusYour phone picks the strongest of these on its own. No setting to change.
- Internet via
- Singapore
- Top-up
- Same profileAdd more GB to this same eSIM later, from your order page. No new QR, nothing to install.
Prices checked 31 Oct 2026, in US dollars.
37 brands’ prices for South Korea, side by side →
Also visiting Japan? Plan the whole trip, one payment →
South Korea only: 5 GB for 30 days is $4.79. Crossing borders? Asia regional covers 19 countries on one QR, South Korea included: 5 GB for 30 days is $21.49.
QR mail in about a minute
Tap Add eSIM on Wi-Fi
Land, switch roaming on
South Korea eSIM in numbers
- No app and no account: pay on this page and the QR code arrives by email in about a minute. The cheapest way in is 1 GB for 7 days at $2.49. How buying without an app works.
- 5 GB for 30 days costs $4.79, which is $0.96 a GB; the 50 GB pack brings it to $0.53 a GB.
- Heavy use: the Day Pass gives 3 GB a day at full speed, then 1 Mbps. 7 days cost $21.90.
- For 5 GB lasting 30 days, ours is number 6 of the 32 brands we compare for South Korea; the lowest is MicroEsim at $3.71 (prices read 30 Oct to 31 Oct 2026). Every brand side by side.
- Each pack on its own page, with the same data at other brands: 1 GB, 7 days, 3 GB, 30 days, 5 GB, 30 days, 10 GB, 30 days, 20 GB, 30 days, 50 GB, 30 days.
eSIM, local SIM or pocket Wi-Fi in South Korea?
A local SIM is often cheaper per GB. The difference is where you get it and what it asks for. Prices from each operator’s own page, read 17 Oct 2026.
Compare 3 options: price, where to get it, ID
| Option | What you get | Price | How you get it | ID |
|---|---|---|---|---|
| Inbox eSIM | 5 GB / 30 days | $4.79 | Online before you fly; QR by email, installs on Wi-Fi | None |
| KT Korea SIM / eSIM | Data only, 11 GB a day then 5 Mbps, 5 days | ₩27,500 (about $20.60) | KT roaming centers at the airport, SIM or eSIM | At most 4 data SIMs per passport |
| Pocket Wi-Fi: LG U+ pocket Wi-Fi | 4 GB a day, then 5 Mbps | ₩4,400 a day (about $3.30) | Pickup and return at Incheon, Gimpo or Gimhae | Card hold or ₩70,000 deposit |
Before you land in South Korea
A travel eSIM is ready when you land, with no passport check at a counter. Combining with Japan? See Japan and South Korea on one eSIM.
3 things to know, each with its source
- Korean tourist SIMs need a passport check after immigration (online 8am to 10pm, otherwise at the airport counter) and are for stays of up to 90 days. Trazy (SK Telecom SIM)
- Incheon, Gimpo, Gimhae and Jeju airports have carrier counters for SIMs and Wi-Fi rentals. Korea Tourism Organization
- Free public Wi-Fi is available at airports, subway and train stations and some bus stops. Korea Tourism Organization
Read before you go: Japan and South Korea on one eSIM · Korea eSIM or pocket Wi-Fi? Prices, deposits, returns
Questions
What is the best eSIM for South Korea?
For most trips, 5 GB for 30 days is enough: $4.79 here, against $11.00 at Airalo for the same data (read 31 Oct 2026). It is data only and needs no app: the QR code and a one-tap install link arrive by email. For heavy use there is also a Day Pass: 3 GB a day at full speed. Every brand's price for South Korea, dated and sourced, is on our comparison page.
Is there an unlimited eSIM for South Korea?
Yes: our Day Pass is unlimited data, 3 GB a day at full speed and then 1 Mbps with no cut-off, and 7 days cost $21.90 here. Other brands' "unlimited" plans for 7 days: Ubigi $25.00 (unlimited, 25 GB at full speed, then 2 Mbps); Nomad $25.00 (2GB/Day. 512kbps after 2GB); Jetpac $26.99 (first 3 GB every 24 hours at standard network speeds); Holafly $27.50 (unlimited) (prices read 30 Oct 2026). Read each one's terms: "unlimited" often means a daily allowance at full speed.
Which South Korea eSIM for a month?
Every one of these lasts 30 days: 3 GB $3.69, 5 GB $4.79, 10 GB $7.79, 20 GB $13.19, 50 GB $26.69. The 30 days start when the eSIM first connects to a network there, so you can buy before the trip.
Can I buy a South Korea eSIM without an app?
Yes. You pay on this page and the QR code and a one-tap install link arrive by email: no app and no account. It is data only, with no phone number, so your home SIM keeps your calls and SMS.
Does the South Korea eSIM come with a phone number?
No. It is data only: no local number, calls or SMS on this eSIM. Your home SIM stays in the phone for calls and texts (your carrier's roaming rates apply to them), and WhatsApp, FaceTime or Signal calls run over the eSIM's data. If you need a local number in South Korea, for example for a service that texts a code, buy a local SIM there.
Which South Korea eSIM for a week or two?
For 7 days: 1 GB $2.49. The 30-day packs cover one or two weeks too: 3 GB $3.69, 5 GB $4.79. Day Pass, 3 GB a day at full speed and then 1 Mbps: 7 days $21.90, 14 days $41.90.
12 more questions
Will WhatsApp keep my number with a South Korea eSIM?
Yes. WhatsApp stays on your home number: this eSIM is data only and has no number. Leave your home SIM in the phone with its data roaming off, use the South Korea eSIM for mobile data, and do not re-register WhatsApp.
Is a South Korea eSIM cheaper than roaming?
Usually, for a trip of more than a day or two. US carriers charge $12 a day for roaming (AT&T International Day Pass, Verizon TravelPass, read 31 Oct 2026) where they cover South Korea, so a week costs $84. Here 5 GB for 30 days is $4.79 in total.
How much is the South Korea eSIM?
From $2.49 in USD, and the price on this page is the price you pay. Sizes run from the 1 GB pack up; pick one in the list above.
When does the South Korea plan start?
First attach to a covered network. Install on Wi-Fi before you fly. After you land, turn data roaming on for this line.
Can I hotspot in South Korea?
Yes, it uses the same GB. We never block it; rarely, a local network limits it.
Which networks in South Korea?
SKTelecom + LG Uplus. Your phone joins whichever of these is strongest where you are.
Is this 5G in South Korea?
This pack runs on 3G/4G/5G. You get 5G where the local network offers it to visitors, otherwise 4G.
What APN do I use in South Korea?
Automatic unless the QR mail names one
Can I use this South Korea eSIM in another country?
No. This pack is South Korea. A new country is a new QR. Keep this one if you return.
Can I top up the South Korea plan?
Same profile, same coverage. Extra GB is a top-up, not a new QR.
How long do I have to install the South Korea eSIM?
Start using within 180 days of purchase. After that an unused pack can expire. Scan on Wi-Fi before you fly.
What if I buy the wrong plan?
QR not scanned and not on the phone? Email within 30 days of issue. We cancel and refund. Installed? Buy the right country and keep this QR for later.