Originally Posted by ASUDan130

Hello flying OZ in a few months and arriving from Vietnam around 525 AM and my flight back to the USA isn't till 930 AM. Would it be a big hassle if I wanted to go through passport control and go outside for a bit to stretch my legs and get some fresh air? How are the lines usually around Sunday mornings at ICN? I've read the security lines are pretty short and am flying business class if that helps if ICN has expedited security. How long would it take to get outside from landing and then coming back to the terminal?