Flight Route · International
Seoul → London
GMP to LHR
Gimpo International Airport to London Heathrow Airport: 5,510 miles (8,867 km), about 11h 35m airborne, −8h time-zone shift on arrival.
Distance
5,510 mi
8,867 km
Flight time
11h 35m
block time, approx
Time-zone shift
−8h
Seoul → London
International?
Yes
South Korea → United Kingdom
GMP–LHR questions, answered
How long is the flight from Seoul to London?
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A direct flight from Gimpo International Airport (GMP) to London Heathrow Airport (LHR) takes approximately 11h 35m. Actual block time varies with aircraft type, winds, and routing.
What is the distance from GMP to LHR?
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The great-circle distance from Gimpo International Airport to London Heathrow Airport is approximately 5510 miles (8867 kilometers). Actual flown distance varies slightly with the routing assigned by air traffic control.
What is the time difference between Seoul and London?
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London is −8h relative to Seoul. Asia/Seoul → Europe/London.
Which airlines fly from GMP to LHR?
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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. Gimpo International Airport is in South Korea, and London Heathrow Airport is in United Kingdom. Travelers should confirm passport, visa, and customs requirements before departure.
Can I track GMP–LHR 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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