✈ SEA → MAN
9H 38M FROM SEATTLE TO MANCHESTER. JET LAG IS NOW YOUR PERSONALITY.
Flight from Seattle to Manchester
From Sea-Tac (SEA), USA North America → Manchester Airport (MAN), United Kingdom Europe
How long is the flight from Seattle to Manchester?
A nonstop flight from Seattle (SEA) to Manchester (MAN) takes about 9 hours 38 minutes, covering a great-circle distance of 4,637 miles (7,462 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
9h 38m
Nonstop, scheduled
Distance
4,637 mi
7,462 km · great-circle
Avg speed
775 km/h
Door-to-door including taxi
Time zones & jet lag
Seattle timezone
UTC-7
America/Los_Angeles
Manchester timezone
UTC+1
Europe/London
Time difference
+8h
8 hours ahead
Jet lag (rough)
~8d
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.