If your trip to Cheongju Airport (CJJ-Cheongju Intl.) is all locked in but your travel itinerary is a bit on the empty side, we can give you a few hints and tips.Visitors from all over come to see Sangdangsanseong Fortress, so make it one of your first stops after you hit the runway. Also worth a look are Cheongju National Museum and Heungdeok Temple Site.