₩855,200 Cheap Flights from Seoul (GMP) to London (LHR)

View ₩855,200 flight on Tue, Jun 23, 2026Opens in a new window

Popular airlines from Gimpo Intl. Airport (GMP) to Heathrow Airport (LHR)

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Cheap Flights from Seoul to London (GMP-LHR)

Prices were available within the past 7 days and start at ₩855,200 for one-way flights and ₩1,656,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Mon, Aug 3 - Thu, Aug 27
GMP
Seoul
LHR
London
₩1,656,400 Roundtrip, found 3 hours ago
₩1,656,400
Roundtrip
found 3 hours ago
Select Asiana Airlines flight, departing Mon, Aug 3 from Seoul to London, returning Thu, Aug 27, priced at ₩1,656,400 found 3 hours ago
Asiana Airlines
Mon, Aug 3 - Sun, Aug 23
GMP
Seoul
LHR
London
₩2,010,000 Roundtrip, found 3 hours ago
₩2,010,000
Roundtrip
found 3 hours ago
Select Asiana Airlines flight, departing Mon, Aug 3 from Seoul to London, returning Sun, Aug 23, priced at ₩2,010,000 found 3 hours ago
Air China
Tue, Jun 16 - Sat, Jun 27
GMP
Seoul
LHR
London
₩2,062,500 Roundtrip, found 1 day ago
₩2,062,500
Roundtrip
found 1 day ago
Select Air China flight, departing Tue, Jun 16 from Seoul to London, returning Sat, Jun 27, priced at ₩2,062,500 found 1 day ago
Asiana Airlines
Thu, Jun 4 - Wed, Jun 17
GMP
Seoul
LHR
London
₩2,080,700 Roundtrip, just found
₩2,080,700
Roundtrip
just found
Select Asiana Airlines flight, departing Thu, Jun 4 from Seoul to London, returning Wed, Jun 17, priced at ₩2,080,700 just found
Air China
Thu, Jun 4 - Wed, Jun 17
GMP
Seoul
LHR
London
₩2,123,000 Roundtrip, just found
₩2,123,000
Roundtrip
just found
Select Air China flight, departing Thu, Jun 4 from Seoul to London, returning Wed, Jun 17, priced at ₩2,123,000 just found
Asiana Airlines
Wed, Jul 29 - Thu, Aug 6
GMP
Seoul
LHR
London
₩2,183,400 Roundtrip, found 1 hour ago
₩2,183,400
Roundtrip
found 1 hour ago
Select Asiana Airlines flight, departing Wed, Jul 29 from Seoul to London, returning Thu, Aug 6, priced at ₩2,183,400 found 1 hour ago
Asiana Airlines
Fri, Apr 24 - Fri, May 1
GMP
Seoul
LHR
London
₩2,184,500 Roundtrip, found 4 days ago
₩2,184,500
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Fri, Apr 24 from Seoul to London, returning Fri, May 1, priced at ₩2,184,500 found 4 days ago
Japan Airlines
Wed, Apr 29 - Thu, Apr 30
GMP
Seoul
LHR
London
₩2,711,300 Roundtrip, found 1 day ago
₩2,711,300
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Wed, Apr 29 from Seoul to London, returning Thu, Apr 30, priced at ₩2,711,300 found 1 day ago
EVA Airways
Fri, May 15 - Sun, May 31
GMP
Seoul
LHR
London
₩3,242,100 Roundtrip, found 2 days ago
₩3,242,100
Roundtrip
found 2 days ago
Select EVA Airways flight, departing Fri, May 15 from Seoul to London, returning Sun, May 31, priced at ₩3,242,100 found 2 days ago
All Nippon Airways
Thu, Oct 8 - Tue, Oct 13
GMP
Seoul
LHR
London
₩3,546,800 Roundtrip, found 4 days ago
₩3,546,800
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Thu, Oct 8 from Seoul to London, returning Tue, Oct 13, priced at ₩3,546,800 found 4 days ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Average driving time to city center is 28 minutes. Flights from ₩3,174,900
LHR
Heathrow
Cheapest
Average driving time to city center28 min
Flights from ₩3,174,900

Frequently asked questions

How much is a flight from Gimpo Airport to London Heathrow?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey from Gimpo Airport to Heathrow Airport (LHR) was ₩1,656,400. Fares this cheap don't wait forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Gimpo Airport to LHR?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Gimpo Airport to London Heathrow that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Gimpo Airport to London Heathrow flights, you'll see a "no change fees" filter for you to select.
How far is the flight from GMP to LHR?
The distance is around 8,900 kilometers. Sleep mask? Check. Toiletries? Double check. You'll need to pack all the travel comforts for this long-haul Seoul to Hounslow flight.
Which airlines fly direct from Gimpo Intl. Airport (GMP) to Heathrow Airport?
Flying nonstop between Gimpo Intl. Airport (GMP) and LHR isn't possible at present. However, you'll still be able to book a flight to Hounslow with at least one stop.
Are Gimpo Intl. Airport (GMP) to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally score a bargain, with some super cheap airfares from GMP to Heathrow Airport popping up a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals frequently — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines publish prices that far in advance.

Travel information

Origin airport
Gimpo Intl.
Destination airport
Heathrow
Airlines serving
All Nippon Airways, Japan Airlines
Roundtrip price
₩1,656,400
Distance
8815 km
*Available to Expedia members.