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Cheap flights from London Heathrow Airport to Seoul Gimpo Intl Airport from £248

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GMP
27 déc. — 3 janv.1
1 adult
1 adult, Economy, 0 bags

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 27 novembre 2025.

Round-trip from

£366

One-way from

£248

Popular in

August

Cheapest in

December

Average price

£343
China Southern
  • China Southern
  • 16/1-28/1
  • 2 total stops
  • 67h 20m total
  • London to Seoul
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China Eastern
  • China Eastern
  • 1/12
  • 1 total stop
  • 29h 00m total
  • London to Seoul
Search Deals
Highest demand for flights based on searches. 41% potential increase in price (£430 potential increase over avg. return price).
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Cheapest flight prices on average. 17% potential price decrease (£93 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Heathrow to Gimpo Intl

Enter your travel dates to find the best prices.

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 27 novembre 2025.

dim. 30/1121:30LHR - GMP
1 stop29h 55mMultiple Airlines
ven. 5/1214:25GMP - LHR
1 stop36h 25mMultiple Airlines
Deal found 25/11£356
dim. 30/1121:00LHR - GMP
1 stop29h 00mChina Eastern
mer. 3/1220:50GMP - LHR
1 stop29h 40mChina Eastern
Deal found 25/11£370
lun. 1/1221:00LHR - GMP
1 stop29h 00mChina Eastern
sam. 13/1220:50GMP - LHR
1 stop29h 40mChina Eastern
Deal found 25/11£376
dim. 30/1121:00LHR - GMP
1 stop29h 00mChina Eastern
dim. 14/1220:50GMP - LHR
1 stop29h 40mChina Eastern
Deal found 25/11£395
dim. 30/1120:25LHR - GMP
1 stop31h 40mAir China
jeu. 4/1214:25GMP - LHR
1 stop36h 25mAir China
Deal found 24/11£395
dim. 30/1121:30LHR - GMP
1 stop29h 55mChina Southern
jeu. 11/1213:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 25/11£400
dim. 30/1121:00LHR - GMP
1 stop29h 00mChina Eastern
jeu. 18/1220:50GMP - LHR
1 stop29h 40mChina Eastern
Deal found 25/11£407
dim. 30/1120:25LHR - GMP
1 stop31h 40mAir China
ven. 5/1214:25GMP - LHR
1 stop36h 25mAir China
Deal found 24/11£408
dim. 30/1121:30LHR - GMP
1 stop29h 55mChina Southern
mer. 24/1213:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 25/11£411
ven. 28/1121:00LHR - GMP
1 stop29h 00mChina Eastern
mer. 3/1220:50GMP - LHR
1 stop29h 40mChina Eastern
Deal found 25/11£412
mer. 26/1121:30LHR - GMP
1 stop29h 55mMultiple Airlines
mer. 10/1214:25GMP - LHR
1 stop34h 30mMultiple Airlines
Deal found 25/11£423
dim. 30/1120:25LHR - GMP
1 stop31h 40mAir China
mer. 3/1214:25GMP - LHR
1 stop36h 25mAir China
Deal found 24/11£437

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 27 novembre 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

ven. 24/4

21:00-12:25

1 stop31h 25m

Seoul Gimpo Intl

sam. 9/5

13:25-18:05

1 stop36h 40m

£483

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

lun. 16/3

11:30-13:05

2 stops16h 35m

Seoul Gimpo Intl

jeu. 19/3

13:30-17:55

1 stop37h 25m

£633

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

dim. 1/2

20:25-13:05

1 stop31h 40m

Seoul Gimpo Intl

sam. 28/2

14:25-17:50

1 stop36h 25m

£639

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

dim. 7/12

08:35-22:05

1 stop28h 30m

Seoul Gimpo Intl

mer. 10/12

19:40-15:15

1 stop28h 35m

£814

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

dim. 7/12

08:35-22:05

1 stop28h 30m

Seoul Gimpo Intl

lun. 15/12

19:40-15:15

1 stop28h 35m

£814

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

sam. 6/12

08:35-22:05

1 stop28h 30m

Seoul Gimpo Intl

mar. 9/12

19:40-15:15

1 stop28h 35m

£814

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

sam. 6/12

08:35-22:05

1 stop28h 30m

Seoul Gimpo Intl

dim. 14/12

08:00-06:25

1 stop31h 25m

£898

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

mar. 9/12

08:35-22:05

1 stop28h 30m

Seoul Gimpo Intl

mar. 16/12

19:40-15:15

1 stop28h 35m

£948

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

lun. 4/5

21:35-19:15

2 stops37h 40m

Seoul Gimpo Intl

sam. 23/5

13:50-19:20

2 stops37h 30m

£1,154

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

mer. 10/12

08:35-10:55

1 stop17h 20m

Seoul Gimpo Intl

mar. 16/12

19:40-15:15

1 stop28h 35m

£1,157

Flights are sorted by cheapest return flights first.

Deals found on 26/11

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 is the cheapest month to book a flight from London Heathrow Airport to Seoul Gimpo Intl Airport?

Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Seoul Gimpo Intl Airport (average of £337). Flying from London Heathrow Airport to Seoul Gimpo Intl Airport in April is currently the most expensive (average of £1,397). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 27 novembre 2025.
Get a feel of what it's like to fly with Japan Airlines and China Southern 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
1,630 reviews
Check prices

Comfort

8.2

Crew

8.7

Overall

8.3

Entertainment

7.8

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Japan Airlines
8.3
Very Good
1,630 reviews
Japan Airlines
8.3
Very Good
1,630 reviews
Check prices

Comfort

8.2

Crew

8.7

Overall

8.3

Entertainment

7.8

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
China Southern
7.5
Good
119 reviews
Japan Airlines
8.3
Very Good
1,630 reviews
Check prices

Comfort

8.2

Crew

8.7

Overall

8.3

Entertainment

7.8

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

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 £814, China Southern can have you in Seoul Gimpo Intl Airport from London Heathrow Airport in 28h 30m. 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 £336. Another option worth looking into is Japan Airlines, starting at £1,003 return. China Southern is priced at 58% 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.

  • What is the cheapest month to book a flight from London Heathrow Airport to Seoul Gimpo Intl Airport?

    Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Seoul Gimpo Intl Airport (average of £337). Flying from London Heathrow Airport to Seoul Gimpo Intl Airport in April is currently the most expensive (average of £1,397). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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London City to Incheon Intl flights
Luton to Incheon Intl flights
Gatwick to Gimpo Intl flights

Top 2 airlines flying from Heathrow to Gimpo Intl

Discover the top 2 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 27 novembre 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£336Average£426FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Japan AirlinesCheapest£1,003Average£1,953FlexibilityNo 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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