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Cheap flights from London Heathrow Airport to Seoul Gimpo Intl Airport from £258

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GMP
2 Sep — 9 Sep1
1 adult

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 28 August 2025.

Round-trip from

£391

One-way from

£258

Popular in

August

Cheapest in

November

Average price

£2,117
China Southern
  • China Southern
  • 6/11-15/11
  • 2 total stops
  • 67h 05m total
  • London to Seoul
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China Eastern
  • China Eastern
  • 20/10
  • 1 total stop
  • 29h 40m total
  • London to Seoul
Search Deals
Highest demand for flights based on searches. 44% potential increase in price (£464 potential increase over avg. return price).
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Cheapest flight prices on average. 18% potential price decrease (£91 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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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 28 August 2025.

Thu 6/1121:30LHR - GMP
1 stop29h 55mChina Southern
Sat 15/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 26/8£391
Sat 8/1121:00LHR - GMP
1 stop29h 00mChina Eastern
Sat 22/1120:50GMP - LHR
1 stop29h 40mChina Eastern
Deal found 26/8£392
Wed 5/1121:30LHR - GMP
1 stop29h 55mChina Southern
Wed 19/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 26/8£393
Wed 3/1221:30LHR - GMP
1 stop29h 55mChina Southern
Thu 11/1213:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 27/8£394
Sat 1/1121:30LHR - GMP
1 stop29h 55mChina Southern
Mon 17/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 27/8£394
Wed 19/1121:30LHR - GMP
1 stop29h 55mChina Southern
Sun 30/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 26/8£396
Sat 8/1121:30LHR - GMP
1 stop29h 55mChina Southern
Sat 15/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 26/8£396
Thu 30/1021:30LHR - GMP
1 stop29h 55mChina Southern
Sun 9/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 26/8£397
Thu 2/1020:25LHR - GMP
1 stop32h 40mAir China
Sun 12/1014:25GMP - LHR
1 stop35h 20mAir China
Deal found 25/8£398
Thu 30/1021:30LHR - GMP
1 stop29h 55mChina Southern
Mon 10/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 27/8£399
Thu 2/1020:25LHR - GMP
1 stop32h 40mAir China
Tue 14/1014:25GMP - LHR
1 stop14h 05mAir China
Deal found 26/8£399
Wed 1/1021:00LHR - GMP
1 stop31h 25mChina Southern
Sun 12/1013:30GMP - LHR
1 stop36h 35mChina Southern
Deal found 26/8£400

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 28 August 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

Wed 3/12

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Thu 11/12

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 23/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 1/12

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 1/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Thu 20/11

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 25/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 1/12

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 30/10

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Thu 20/11

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 19/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 1/12

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 11/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 24/11

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 8/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Wed 26/11

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 8/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Tue 25/11

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 22/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 1/12

13:45-17:55

1 stop37h 10m

£394

Flights are sorted by cheapest return flights first.

Deals found on 26/8

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 40% 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 Istanbul (IST) have the shortest average one-way travel time for one-stop routes: 15h 40m.

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 Istanbul (IST) have the shortest average one-way travel time for one-stop routes: 15h 40m.

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 Warsaw (WAW) offer the fastest connection on this route, with an average stopover time of 2h 05m.

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 28 August 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.
Japan Airlines
8.3
Very Good
1,553 reviews
Check prices

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

I thought it will be Japan Airlines on the way back to New York too. So I was soooo disappointed. I never expected that it will be American Airlines.
Japan Airlines
8.3
Very Good
1,553 reviews
Japan Airlines
8.3
Very Good
1,553 reviews
Check prices

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

I thought it will be Japan Airlines on the way back to New York too. So I was soooo disappointed. I never expected that it will be American Airlines.
China Southern
7.5
Good
109 reviews
Japan Airlines
8.3
Very Good
1,553 reviews
Check prices

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

I thought it will be Japan Airlines on the way back to New York too. So I was soooo disappointed. I never expected that it will be American Airlines.
Air China
7.3
Good
95 reviews
Japan Airlines
8.3
Very Good
1,553 reviews
Check prices

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

I thought it will be Japan Airlines on the way back to New York too. So I was soooo disappointed. I never expected that it will be American Airlines.

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 £394, China Southern 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.

  • 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 £336. Additional return tickets that might be worth considering are offered by Air China and Japan Airlines, with the lowest prices starting at £380 and £1,066, respectively. China Southern is priced at 56% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from London Heathrow Airport to Seoul Gimpo Intl Airport one-way?

    £258 is the cheapest one-way deal found within the past few days, from China Eastern. You may also be able to find cheap deals on China Southern and Air China, with prices starting from £272 and £273, respectively.

  • 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.
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Gatwick to Gimpo Intl flights

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 28 August 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£336Average£386FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£380Average£778FlexibilityNo cancel feeOn-time67%
Search Air China flights
Japan AirlinesCheapest£1,066Average£1,914FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Heathrow to Gimpo Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Gimpo Intl for you. Better yet — we are completely free to use.

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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