You can exchange money at a bank, exchange service center, or an authorized exchange. For most tourists, it is easiest to visit one of the exchange service centers at the airport.
(Examples of exchange service centers at the airport)
Upon arrival, inbound travelers can easily convert their money into the local currency at bank branches and money changers located in the airport. The hours and locations vary by bank, so we recommend checking in advance. (Note: Standard hours of money changers are 06:00-21:00 but some locations may operate until 22:00 or 23:00)
<Shinhan Bank – Incheon International Airport Branch>
For more information, click here.