Originally Posted by
mtkeller
No need to take a 2,000 mile detour to fly DL metal via NRT and cough up more miles. China Southern has plenty of space available on a much more direct routing through CAN. That said, you are correct that it will take at least 45K miles since there is no one way pricing at less than round trip.
Strange as it may be, Mongolia is considered part of Southeast Asia according to Delta. I've never been myself, but I've heard good things, and Americans no longer require visas to visit. You can fly from PEK to ULN for 12.5k UA miles, or take the train for around $100.