Originally Posted by
blueslip
Since this connection is PEK, I believe a transit visa is required for US passport holder, which spikes the travel cost.
Originally Posted by
kts262
US Passport holders have been able to transit without a visa in China for many years now as long as the transit has been to a 3rd country, (eg. not US-China-US). You've also been allowed to leave the airport at Shanghai for quite some time, and now that has been extended to PEK, CAN, and other points as well as long as your next flight is within 24 hours.