Originally Posted by
jerryhze
Searched the thread, it seems stopover in NRT is impossible? With NYC-SIN available around ~$800, adding a stopover in NRT increases the price to ~$1600. I guess it's because HIP check forces a higher fare? Anyway, if anyone finds a way to book NRT stopover, please let us know!

This was my experience when trying very hard to get that stopover in the past -- couldn't make it work without a drastically increased price. Phone agent did some research and told it was because of HIP rule.