Flight Route · International
Seattle → London
SEA to LGW
Seattle–Tacoma International Airport to London Gatwick Airport: 4,811 miles (7,742 km), about 10h 11m airborne, +8h time-zone shift on arrival.
Distance
4,811 mi
7,742 km
Flight time
10h 11m
block time, approx
Time-zone shift
+8h
Los_Angeles → London
International?
Yes
United States → United Kingdom
SEA–LGW questions, answered
How long is the flight from Seattle to London?
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A direct flight from Seattle–Tacoma International Airport (SEA) to London Gatwick Airport (LGW) takes approximately 10h 11m. Actual block time varies with aircraft type, winds, and routing.
What is the distance from SEA to LGW?
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The great-circle distance from Seattle–Tacoma International Airport to London Gatwick Airport is approximately 4811 miles (7742 kilometers). Actual flown distance varies slightly with the routing assigned by air traffic control.
What is the time difference between Seattle and London?
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London is +8h relative to Seattle. America/Los_Angeles → Europe/London.
Which airlines fly from SEA to LGW?
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Carriers serving both endpoints include various international and regional carriers. Direct service depends on the specific carrier and season — confirm with your booking source for current schedules.
Is this an international flight?
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Yes. Seattle–Tacoma International Airport is in United States, and London Gatwick Airport is in United Kingdom. Travelers should confirm passport, visa, and customs requirements before departure.
Can I track SEA–LGW flights on TripDesk365?
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Yes. TripDesk365 imports your booking confirmations from your inbox, identifies the route, and shows real-time status — gate changes, delays, and live aircraft position. Free for 14 days.
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