The airline agent did tell me the transit hotel is 24hr. Also, if you really have nothing to do, you can always goto the underground floor for a sauna and shower.I have used it once when I have arrived in seoul at 4am. I found it by accident and I end up just taking a nap for a few hours but its quiet and comfy. Its about 10bucks and *really* nothing fancy but a good and cheap place to rest mostly utilized by the agents and few locals who know it exists.
Originally Posted by MegatopLover
That's what I'm saying. I don't know if the lounges are open at 5am, because I was stuck landside, but I believe at least one KE lounge is open 24 hours. I believe there is also a transit hotel inside the secure area, which should be open 24 hours.