Travel Guide: South Korea 2026

Internet & connectivity

Network: Among the fastest in the world — 4G/5G everywhere

Physical SIMs are sold at the airport, but an eSIM activates instantly and saves the queue.

eSIM compatibility:5/5★★★★★

Best areas

Connectivity tips

• ●Ultra-fast connectivity is available virtually everywhere
• ●Free Wi-Fi is common in the subway and public spaces
• ●Activate before arrival so navigation works the moment you land

Best time to visit

April–June or September–November (spring blossoms or autumn foliage)

Getting around: KTX high-speed trains and an excellent metro