✈ SEA → PEK
11H 5M, 5,393 MI. THE AIRLINE OWES YOU SOMETHING. THEY WON'T GIVE IT.
Flight from Seattle to Beijing
From Sea-Tac (SEA), USA North America → Beijing Capital (PEK), China Asia
How long is the flight from Seattle to Beijing?
A nonstop flight from Seattle (SEA) to Beijing (PEK) takes about 11 hours 5 minutes, covering a great-circle distance of 5,393 miles (8,679 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
11h 5m
Nonstop, scheduled
Distance
5,393 mi
8,679 km · great-circle
Avg speed
783 km/h
Door-to-door including taxi
Time zones & jet lag
Seattle timezone
UTC-7
America/Los_Angeles
Beijing timezone
UTC+8
Asia/Shanghai
Time difference
+15h
15 hours ahead
Jet lag (rough)
~15d
Eastward — worse
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.