Bumping up this thread because I dont get the stopover rules.
Trying to book FUK-ICN(Stopover 3 days)-PVG
Can find availabilty for FUK-ICN and for ICN-PVG with korean air just fine. When I use multicity there is nothing. However, I can book KIX-ICN-PVG if I wanted to, but only via mobile phone search, because desktop says there are not flight. Really dont get it?!