Originally Posted by
OsoJoe
Last time I was in ICN, I had an 8 hour layover. Since coming from PEK, I wasn't interested in sleeping so I wandered around the terminal. I can't remember where it is but there was a kiosk offering transit tours. You tell them how long you have and they put together a tour for you. I think it was around $60 USD per person and they took us to Changdeok Palace, a temple and a market. They even feed you lunch at a restaurant in the market so you don't have to eat KFC at the airport.
6 hours isn't really enough time to see Seoul though. You have to look at 20 minutes to get through immigration and customs, 10 minutes to catch the train, an hour to get to Seoul Station, and you should really be at the airport 40 minutes prior to departure, and it's an hour back so you get two/two and a half hours in the city. Maybe you could grab lunch or dinner in Seoul but a tour is practically impossible.