Immigration and Border Protocol: how it works in South Korea — first-hand
Short answer
Prepare for potential immigration interviews by carrying 100 USD in cash per day, confirmed return tickets, hotel bookings, and a detailed daily itinerary. Ensure your K-ETA information remains accurate, as you must truthfully explain any discrepancies in employment status or data upon arrival.
From real experience
When entering South Korea, be prepared for potential interviews at border control.
Key requirements and recommendations include: 1) Possessing cash equivalent to 100 USD per person per day (bank statements are not accepted as proof). 2) Having confirmed return tickets to your country of citizenship/residence. 3) A booked hotel or accommodation. 4) A detailed tourist itinerary (at least 3 locations per day, logically structured). 5) Valid K-ETA or visa, ensuring all data matches actual travel plans (e.g., purpose of visit). Do not present all documents unless explicitly asked. Some travelers report not being questioned on cash, but it's a stated requirement.
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If your employment status has changed since applying for K-ETA, be prepared to explain the discrepancy at immigration.
If you indicated 'company employee' and are now unemployed, state your current status (e.g., 'homemaker' or 'job seeker') truthfully. This also applies to any salary information provided on the K-ETA. Honesty is key.
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Despite potentially long queues at Incheon International Airport (ICN) immigration, the process is often fast, especially with a pre-filled online Arrival Card.
Typically, only passports and fingerprints are required. Travelers can observe queues to identify faster-processing immigration officers.