Korean Air via Expedia is offering Roundtrip Flight from Seattle (SEA) to Beijing China (PEK) from $904.00. Valid for select dates Departs (SEA): Sept 1-21, 28-30; Oct 1, 5-6, 14-17, 19-31; Nov 1-30 Returns: Sept 3-28; Oct 4-31; Nov 1-30; Dec 1-7. Exclusions apply....