Originally Posted by
Penntraveler2001
I have a 2.5 hr layover in Seoul. Coming from Shanghai, then on to San Francisco. Is there enough time to exit customs, get a passport stamp, then get back through for my flight to SF? Thanks
I reckon there's plenty of time. Passport control was never too painful, and the same goes for security checks.
If you're interested in architecture, check out the train station area of ICN (you don't need to buy a ticket). It's a bizarre, post-modernist specimen.