Capital city, South Korea
Internet in Seoul: speed, SIM cards and coworking
Is the internet good in Seoul?
Median fixed broadband in South Korea is 251 Mbps and mobile is 251 Mbps (Speedtest Global Index, 2026-08). Free wifi is common but cafés often cap table time on laptops; coworking spaces and study cafés have fast, stable lines.
Getting online in Seoul
| Details | |
|---|---|
| Home fibre | Fibre from KT, SK Broadband and LG U+ is standard; 500 Mbps–1 Gbps for about 25,000–40,000 KRW a month, often included in monthly rentals. |
| Cafés and coworking | Free wifi is common but cafés often cap table time on laptops; coworking spaces and study cafés have fast, stable lines. |
| Tourist SIM | Carrier counters at Incheon and Gimpo airports sell prepaid data SIMs and eSIMs; passport required; convenience stores sell some too. |
| eSIM | Local carriers sell eSIMs to visitors. |
| Carriers | SK Telecom, KT, LG U+ |
| Monthly data plan | ₩30,000–55,000 ($22–41) |
| Blocked services | Porn and North Korean websites are blocked; VPNs are legal. |
Coworking spaces in Seoul
Spaces we checked are open in 2026. Prices change; confirm on their sites.
| Space | Area | Day pass |
|---|---|---|
| FASTFIVE | Gangnam, Jongno, Yeouido and many branches | — |
| WeWork Korea | Gangnam, Jongno, Yeouido and others | — |
Internet speeds in East Asia
National medians, Speedtest Global Index.
| Country | Fixed | Mobile |
|---|---|---|
| Hong Kong | 362 Mbps | 89 Mbps |
| Macau | 322 Mbps | — |
| Taiwan | 298 Mbps | 111 Mbps |
| South Korea | 251 Mbps | 251 Mbps |
| China | 238 Mbps | 176 Mbps |
| Japan | 234 Mbps | 66 Mbps |
| Mongolia | 86 Mbps | — |
Quick answers
Is the internet fast in Seoul?
Median fixed broadband in South Korea is 251 Mbps and mobile is 251 Mbps (Speedtest Global Index, 2026-08). Free wifi is common but cafés often cap table time on laptops; coworking spaces and study cafés have fast, stable lines.
Which SIM card should I get in Seoul?
Carrier counters at Incheon and Gimpo airports sell prepaid data SIMs and eSIMs; passport required; convenience stores sell some too.
Can I use an eSIM in South Korea?
Yes. Local carriers sell eSIMs to visitors, and travel eSIMs work too.
Are there coworking spaces in Seoul?
Yes: FASTFIVE, WeWork Korea.
More about Seoul
Going to Seoul solo?
SoloSquare is where travelers, nomads and locals in Seoul meet up for small plans: coffee, dinners, walks and day trips. Join one, or start your own in a minute.
Sources
- Speedtest Global Index: South Korea
- SK Telecom
- KT
- LG U+
- Visit Korea (Korea Tourism Organization)
- Seoul Metro
- Incheon International Airport
- Seoul Global Center
Speeds are medians from Ookla's Speedtest Global Index, cited for reference. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.