DL: PEK-DTW-BOS RT $802, 5.5cpm
 

bookable on delta.com or ctrip.com (a chinese OTA)

departure from China

V class

total fare $801.40 USD or ￥4926 cny

sample date: 9/22-10/3
route: PEK-DTW-PEK

adv purchase date: 5 days+
min stay: 3 days
max stay: 3 month

Seasonal restrictions:

PERMITTED 01SEP 14 THROUGH 10DEC 14 ON THE OUTBOUND
TRANSPACIFIC SECTOR.


One-way(PEK-BOS) available, X class, $525 USD

Good find! I only see it pricing out like that for a Sept departure (can return all the way until Dec 9 with consistent availability). Also SEA stopover is possible.

Eg.
https://www.google.ca/flights/#searc...PEK0DL129;a=DL