Cheap flights from London Heathrow Airport to Seoul Gimpo Intl Airport from £245

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GMP
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Heathrow to Gimpo Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Gimpo Intl (GMP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 September 2025.

Round-trip from

£338

One-way from

£245

Popular in

August

Cheapest in

November

Average price

£718
China Eastern
  • China Eastern
  • 6/11-10/11
  • 2 total stops
  • 58h 40m total
  • London to Seoul
China Eastern
  • China Eastern
  • 4/11
  • 1 total stop
  • 29h 00m total
  • London to Seoul
Highest demand for flights based on searches. 41% potential increase in price (£420 potential increase over avg. return price).
Cheapest flight prices on average. 16% potential price decrease (£86 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Heathrow to Gimpo Intl

Cheapest flights from Heathrow to Gimpo Intl
Explore the most affordable flight options available from Heathrow to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Wed 29/1021:00LHR - GMP
1 stop29h 00mChina Eastern
Wed 26/1120:50GMP - LHR
1 stop29h 40mChina Eastern
Deal found 16/9£336
Thu 6/1121:00LHR - GMP
1 stop29h 00mChina Eastern
Mon 10/1120:50GMP - LHR
1 stop29h 40mChina Eastern
Deal found 15/9£338
Fri 14/1121:30LHR - GMP
1 stop29h 55mChina Southern
Sun 23/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 15/9£364
Mon 10/1121:30LHR - GMP
1 stop29h 55mChina Southern
Mon 17/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 15/9£366
Mon 3/1121:30LHR - GMP
1 stop29h 55mChina Southern
Wed 19/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 16/9£366
Sun 9/1121:30LHR - GMP
1 stop29h 55mChina Southern
Sun 23/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 16/9£368
Sat 8/1121:30LHR - GMP
1 stop29h 55mChina Southern
Sat 22/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 16/9£369
Mon 20/1021:00LHR - GMP
1 stop31h 25mChina Southern
Tue 4/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 16/9£372
Mon 24/1121:30LHR - GMP
1 stop29h 55mChina Southern
Wed 3/1213:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 14/9£372
Tue 21/1021:00LHR - GMP
1 stop31h 25mChina Southern
Tue 4/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 16/9£374

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Gimpo Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Seoul Gimpo Intl Airport that are best for you.

Fly from

Heathrow

Fly to

Gimpo Intl

Route

Depart

Return

Price

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 30/10

17:40-13:05

1 stop34h 25m

Seoul Gimpo Intl

Thu 6/11

14:25-15:55

1 stop34h 30m

£425

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 3/3

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Sat 21/3

13:45-17:55

1 stop37h 10m

£550

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 16/10

20:25-13:05

1 stop32h 40m

Seoul Gimpo Intl

Mon 20/10

14:25-20:30

1 stop14h 05m

£575

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Fri 7/11

20:25-13:05

1 stop31h 40m

Seoul Gimpo Intl

Sun 16/11

14:25-17:50

1 stop36h 25m

£695

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 18/2

17:15-12:25

2 stops34h 10m

Seoul Gimpo Intl

Sat 14/3

13:45-17:55

1 stop37h 10m

£704

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 10/11

09:30-13:05

2 stops18h 35m

Seoul Gimpo Intl

Mon 24/11

08:35-17:50

1 stop18h 15m

£736

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 4/10

17:10-12:25

2 stops35h 15m

Seoul Gimpo Intl

Sun 12/10

13:30-18:05

1 stop36h 35m

£765

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 28/9

20:25-13:05

1 stop32h 40m

Seoul Gimpo Intl

Mon 13/10

14:25-17:45

1 stop35h 20m

£891

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 29/1

08:35-10:55

1 stop17h 20m

Seoul Gimpo Intl

Wed 11/2

19:40-15:15

1 stop28h 35m

£930

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 18/2

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Wed 25/2

13:45-18:35

2 stops37h 50m

£940

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 23 results
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Best time to book a flight from Heathrow to Gimpo Intl

Have a flexible travel schedule? Discover the best time to fly to Gimpo Intl from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Seoul Gimpo Intl Airport

What’s the top stopover airport for flights from London Heathrow Airport to Seoul Gimpo Intl Airport?

Share of one-stop return flights from London Heathrow Airport to Seoul Gimpo Intl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Beijing (PKX) – chosen by Cheapflights users on 41% of one-stop itineraries from London Heathrow Airport to Seoul Gimpo Intl Airport on Cheapflights.

What’s the fastest stopover option from London Heathrow Airport to Seoul Gimpo Intl Airport?

Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Seoul Gimpo Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Tokyo (HND) have the shortest average one-way travel time for one-stop routes: 19h 12m.

What’s the fastest stopover option from London Heathrow Airport to Seoul Gimpo Intl Airport?

Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Seoul Gimpo Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Tokyo (HND) have the shortest average one-way travel time for one-stop routes: 19h 12m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Seoul Gimpo Intl Airport?

Average stopover duration for one-stop one-way flights from London Heathrow Airport to Seoul Gimpo Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Tokyo (HND) offer the fastest connection on this route, with an average stopover time of 3h 34m.

Reviews of airlines servicing Gimpo Intl

Get insights into the airlines that provide service to Gimpo Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Gimpo Intl. Reviews last updated 16 September 2025.
Get a feel of what it's like to fly with Japan Airlines, China Southern, andAir China from London Heathrow Airport to Seoul Gimpo Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Boarding

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Brian,Sept 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Boarding

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Brian,Sept 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Boarding

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Brian,Sept 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Boarding

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Brian,Sept 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Gimpo Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from London Heathrow Airport to Seoul Gimpo Intl Airport?

    For as low as £550, Air China can have you in Seoul Gimpo Intl Airport from London Heathrow Airport in 29h 55m. London Heathrow Airport and Seoul Gimpo Intl Airport are separated by a distance of 5506 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Seoul Gimpo Intl Airport round-trip?

    Flying on China Southern is currently your cheapest option to Seoul Gimpo Intl Airport, with prices starting at £333. Additional return tickets that might be worth considering are offered by Air China and Japan Airlines, with the lowest prices starting at £352 and £974, respectively. China Southern is priced at 59% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Heathrow to Gimpo Intl that include hotel bookings?

    Yes. In addition to deals on Heathrow to Gimpo Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Gimpo Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Gimpo Intl.

  • Can I find deals for business class flights from Heathrow to Gimpo Intl?

    Yes. Cheapflights offers flight deals from Heathrow to Gimpo Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Heathrow to Gimpo Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Heathrow to Gimpo Intl

Discover the top 3 airlines that operate flights from Heathrow to Gimpo Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£333Average£382FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£352Average£731FlexibilityNo cancel feeOn-time67%
Search Air China flights
Japan AirlinesCheapest£974Average£1,830FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Gimpo Intl?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Gimpo Intl?

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Can Cheapflights find flights from Heathrow to Gimpo Intl with no change fees?

Certainly. Search results for flights to Gimpo Intl from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Heathrow to Gimpo Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Gimpo Intl from Heathrow today and book when prices fit your budget.

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