✈ CPH → SEA
10H 3M. COPENHAGEN TO SEATTLE. YOUR BACK WILL FILE A COMPLAINT.
Flight from Copenhagen to Seattle
From Kastrup (CPH), Denmark Europe → Sea-Tac (SEA), USA North America
How long is the flight from Copenhagen to Seattle?
A nonstop flight from Copenhagen (CPH) to Seattle (SEA) takes about 10 hours 3 minutes, covering a great-circle distance of 4,853 miles (7,810 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
10h 3m
Nonstop, scheduled
Distance
4,853 mi
7,810 km · great-circle
Avg speed
777 km/h
Door-to-door including taxi
Time zones & jet lag
Copenhagen timezone
UTC+2
Europe/Copenhagen
Seattle timezone
UTC-7
America/Los_Angeles
Time difference
-9h
9 hours behind
Jet lag (rough)
~6.3d
Westward — easier
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.