About 5 GB for a week in South Korea
| Option | 7 days | |
|---|---|---|
| Optus, about 5 GB for 7 days | 7 × Optus Daily Roaming | A$35.00 |
| eSIM For U, 5 GB for 30 days | See eSIM plans | A$13.49 |
| eSIM For U daily plan, 7 days | 1 GB per day | A$15.29 |
Official price list of Optus, checked 3 Nov 2026. Standard plans; older contracts may differ. Source Prices in different currencies, not converted.
All Optus data options for South Korea
| Data | Valid | Price | |
|---|---|---|---|
| Optus Daily Roaming | 5 GB | per day | A$5.00 |
| Optus Roaming Pass | 1 GB | 1 day | A$10.00 |
In the Optus price list, Zone 1 covers South Korea and 70 other named destinations, among them Japan, Indonesia, and Vietnam, all at the same Optus prices. Our eSIM prices are live.
Good to know before you travel to South Korea
- Google Maps has only limited directions in South Korea. Naver Map and KakaoMap work much better for walking, transit and driving.
- Kakao T is the main taxi app, and the Seoul subway has mobile coverage throughout.
eSIM plans for South Korea
- Networks for South KoreaLG Uplus and SKTelecom
- SpeedUp to 5G on both networks. Where there is no 5G, you connect over 4G/LTE.
- Internet runs viaSingaporeDepending on the plan. Banking or streaming apps may treat you as being there.
Questions and answers
How much does Optus charge for data in South Korea?
The table shows the cheapest official Optus option for about 5 GB in a week, every Optus data option for South Korea, and the source with the date we checked it.
Is South Korea included in Optus plans?
Not in the standard plans of the Optus price list we checked. In South Korea you pay a pass, a daily charge or a price per MB.
Can I keep my Optus number in South Korea?
Yes. In South Korea, keep the Optus SIM for calls and texts and use the travel eSIM for data. Turn off data roaming on the Optus line so it does not use data.
Where can I see all Optus roaming charges?
On the Optus roaming charges page, with every destination in the Optus price list.
Updated 3 Nov 2026 · checked against our live catalogue
How we check our data · Prices and plans come live from our catalogue; facts come from official sources, listed where we use them.