✈ MAN → SEA
9H 38M FLIGHT. TWO MOVIES, NO SLEEP, ONE EXISTENTIAL CRISIS.
Flight from Manchester to Seattle
From Manchester Airport (MAN), United Kingdom Europe → Sea-Tac (SEA), USA North America
How long is the flight from Manchester to Seattle?
A nonstop flight from Manchester (MAN) to Seattle (SEA) 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
Manchester timezone
UTC+1
Europe/London
Seattle timezone
UTC-7
America/Los_Angeles
Time difference
-8h
8 hours behind
Jet lag (rough)
~5.6d
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.