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Cheap flights from London Heathrow Airport to Seoul Gimpo Intl Airport from £264

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GMP
11 Mar — 18 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 9 February 2026.

Wed 11/320:25
LHR
-
GMP
1 stop31h 40m
Air China
Wed 18/314:25
GMP
-
LHR
1 stop36h 30m
Air China
Deal found 7/2£400
Sat 14/321:30
LHR
-
GMP
1 stop29h 55m
China Southern
Sat 28/313:30
GMP
-
LHR
1 stop36h 35m
China Southern
Deal found 8/2£413
Mon 9/321:30
LHR
-
GMP
1 stop29h 55m
China Southern
Thu 26/313:30
GMP
-
LHR
1 stop37h 25m
China Southern
Deal found 6/2£422
Sun 15/321:30
LHR
-
GMP
1 stop29h 55m
China Southern
Thu 26/313:30
GMP
-
LHR
1 stop37h 25m
China Southern
Deal found 8/2£424
Tue 10/320:25
LHR
-
GMP
1 stop31h 40m
Air China
Wed 18/314:25
GMP
-
LHR
1 stop36h 30m
Air China
Deal found 8/2£433
Tue 10/320:25
LHR
-
GMP
1 stop31h 40m
Air China
Mon 16/314:25
GMP
-
LHR
1 stop34h 30m
Air China
Deal found 6/2£436
Mon 9/317:40
LHR
-
GMP
1 stop34h 25m
Air China
Mon 23/314:25
GMP
-
LHR
1 stop34h 30m
Air China
Deal found 7/2£447
Tue 10/320:25
LHR
-
GMP
1 stop31h 40m
Air China
Tue 17/314:25
GMP
-
LHR
1 stop34h 30m
Air China
Deal found 8/2£449
Mon 9/321:30
LHR
-
GMP
1 stop29h 55m
China Southern
Tue 31/313:25
GMP
-
LHR
1 stop36h 40m
China Southern
Deal found 8/2£451

Find 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 9 February 2026.

Round-trip from

£400

One-way from

£264

Popular in

August

Cheapest in

November

Average price

£561
Air China
  • Air China
  • 11/3-18/3
  • 2 total stops
  • 68h 10m total
  • London to Seoul
Search Deals
China Southern
  • China Southern
  • 9/3
  • 1 total stop
  • 29h 55m total
  • London to Seoul
Search Deals
Highest demand for flights based on searches. 40% potential increase in price (£396 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£87 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 9 February 2026.
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

Tue 10/3

06:35-14:10

2 stops22h 35m

Seoul Gimpo Intl

Wed 18/3

09:00-17:55

1 stop17h 55m

£755

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 22/3

21:00-11:00

1 stop29h 00m

Seoul Gimpo Intl

Sun 5/4

20:50-18:40

1 stop29h 50m

£832

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Fri 15/5

21:10-12:55

1 stop31h 45m

Seoul Gimpo Intl

Thu 28/5

13:55-16:30

1 stop34h 35m

£854

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 9/5

21:10-12:55

1 stop31h 45m

Seoul Gimpo Intl

Thu 28/5

13:55-16:30

1 stop34h 35m

£854

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 13/6

20:25-13:05

1 stop32h 40m

Seoul Gimpo Intl

Sun 28/6

14:25-17:40

1 stop35h 15m

£882

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 2/6

21:10-12:55

1 stop31h 45m

Seoul Gimpo Intl

Mon 8/6

13:55-16:30

1 stop34h 35m

£882

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 9/3

08:45-14:10

2 stops20h 25m

Seoul Gimpo Intl

Mon 16/3

08:40-17:55

1 stop18h 15m

£930

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 24/3

21:00-11:00

1 stop29h 00m

Seoul Gimpo Intl

Tue 14/4

20:50-18:40

1 stop29h 50m

£1,013

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Fri 17/4

21:10-12:55

1 stop31h 45m

Seoul Gimpo Intl

Thu 30/4

13:55-16:30

1 stop34h 35m

£1,014

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 1/6

09:10-10:40

1 stop17h 30m

Seoul Gimpo Intl

Mon 22/6

19:15-15:55

1 stop28h 40m

£1,023

Flights are sorted by cheapest return flights first.

Deals found on 8/2

Showing 1-10 of 21 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Seoul Gimpo Intl Airport (average of £333). Flying from London Heathrow Airport to Seoul Gimpo Intl Airport in July is currently the most expensive (average of £1,085). 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 9 February 2026.
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
1,702 reviews
Check prices

Comfort

8.2

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

Crew

8.7

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
1,702 reviews
Japan Airlines
8.3
Very Good
1,702 reviews
Check prices

Comfort

8.2

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

Crew

8.7

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
7.3
Good
137 reviews
Japan Airlines
8.3
Very Good
1,702 reviews
Check prices

Comfort

8.2

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

Crew

8.7

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.
Air China
7.2
Good
138 reviews
Japan Airlines
8.3
Very Good
1,702 reviews
Check prices

Comfort

8.2

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

Crew

8.7

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 £832, China Eastern can have you in Seoul Gimpo Intl Airport from London Heathrow Airport in 29h. 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 £351 and £972, respectively. 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Seoul Gimpo Intl Airport (average of £333). Flying from London Heathrow Airport to Seoul Gimpo Intl Airport in July is currently the most expensive (average of £1,085). 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.
Heathrow to Incheon Intl flights
Gatwick to Incheon Intl flights
Stansted to Incheon Intl flights
London City to Incheon Intl flights
Luton to Incheon Intl flights
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 9 February 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£333Average£418FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£351Average£561FlexibilityNo cancel feeOn-time67%
Search Air China flights
Japan AirlinesCheapest£972Average£1,894FlexibilityNo 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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