Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Seoul Gimpo Intl Airport from £247

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GMP
14 Jan — 21 Jan1
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 15 December 2025.

Mon 15/1218:30LHR - GMP
3 stops33h 35mMultiple Airlines
Tue 23/1216:00GMP - LHR
2 stops34h 30mMultiple Airlines
Deal found 13/12£775
Wed 24/1217:40LHR - GMP
1 stop34h 25mAir China
Sun 28/1214:25GMP - LHR
1 stop36h 25mAir China
Deal found 12/12£808
Tue 30/1206:35LHR - GMP
2 stops20h 50mMultiple Airlines
Tue 13/114:25GMP - LHR
2 stops34h 45mMultiple Airlines
Deal found 14/12£825
Sun 28/1221:30LHR - GMP
1 stop29h 55mChina Southern
Fri 23/113:30GMP - LHR
2 stops57h 30mChina Southern
Deal found 13/12£848
Mon 22/1217:40LHR - GMP
1 stop34h 25mAir China
Mon 19/114:25GMP - LHR
1 stop34h 30mAir China
Deal found 13/12£849
Thu 25/1221:30LHR - GMP
1 stop29h 55mChina Southern
Thu 22/113:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 13/12£873
Sun 28/1221:30LHR - GMP
1 stop29h 55mMultiple Airlines
Fri 23/114:25GMP - LHR
1 stop34h 30mMultiple Airlines
Deal found 13/12£901
Sun 28/1221:30LHR - GMP
1 stop29h 55mMultiple Airlines
Tue 6/114:25GMP - LHR
1 stop36h 25mMultiple Airlines
Deal found 14/12£917
Fri 26/1221:30LHR - GMP
1 stop29h 55mChina Southern
Thu 8/113:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 14/12£932
Sun 21/1220:25LHR - GMP
1 stop31h 40mAir China
Wed 24/1214:25GMP - LHR
1 stop34h 30mAir China
Deal found 14/12£943
Sun 28/1221:30LHR - GMP
1 stop29h 55mMultiple Airlines
Sat 10/114:25GMP - LHR
1 stop36h 25mMultiple Airlines
Deal found 13/12£955
Wed 24/1221:30LHR - GMP
1 stop29h 55mChina Southern
Wed 31/1213:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 14/12£982

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 15 December 2025.

Round-trip from

£367

One-way from

£247

Popular in

August

Cheapest in

November

Average price

£567
China Southern
  • China Southern
  • 28/1-4/2
  • 2 total stops
  • 67h 20m total
  • London to Seoul
Search Deals
China Eastern
  • China Eastern
  • 12/1
  • 1 total stop
  • 29h 00m total
  • London to Seoul
Search Deals
Highest demand for flights based on searches. 43% potential increase in price (£446 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 22% potential price decrease (£103 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 15 December 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

Mon 2/2

20:25-13:05

1 stop31h 40m

Seoul Gimpo Intl

Mon 9/2

14:25-15:55

1 stop34h 30m

£381

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 28/5

21:00-12:25

1 stop31h 25m

Seoul Gimpo Intl

Wed 17/6

13:25-18:05

1 stop36h 40m

£440

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 19/3

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Tue 31/3

13:25-18:05

1 stop36h 40m

£488

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 1/2

20:25-13:05

1 stop31h 40m

Seoul Gimpo Intl

Thu 5/2

14:25-15:55

1 stop34h 30m

£496

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 3/2

17:40-13:05

1 stop34h 25m

Seoul Gimpo Intl

Mon 9/2

14:25-17:50

1 stop36h 25m

£496

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 21/5

21:00-12:25

1 stop31h 25m

Seoul Gimpo Intl

Wed 17/6

13:25-18:05

1 stop36h 40m

£544

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 1/2

20:25-13:05

1 stop31h 40m

Seoul Gimpo Intl

Wed 4/2

14:25-17:50

1 stop36h 25m

£617

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 19/3

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Wed 15/4

13:25-18:05

1 stop36h 40m

£668

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 22/1

21:35-13:05

2 stops54h 30m

Seoul Gimpo Intl

Mon 26/1

14:25-20:15

2 stops38h 50m

£721

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 2/2

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 9/2

13:30-18:00

2 stops37h 30m

£748

Flights are sorted by cheapest return flights first.

Deals found on 14/12

Showing 1-10 of 24 results
1
2
3

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.

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

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

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

Beijing (PKX) is the most affordable one-stop option, with an average return flight price of £463.

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 34m.

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 51m.

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 15 December 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
1,655 reviews
Check prices

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Food

7.7

Entertainment

7.8

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
1,655 reviews
Japan Airlines
8.3
Very Good
1,655 reviews
Check prices

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Food

7.7

Entertainment

7.8

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
122 reviews
Japan Airlines
8.3
Very Good
1,655 reviews
Check prices

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Food

7.7

Entertainment

7.8

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 £440, Air China can have you in Seoul Gimpo Intl Airport from London Heathrow Airport in 31h 25m. 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 £331. Another option worth looking into is Japan Airlines, starting at £990 return. China Southern is priced at 56% 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 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 15 December 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£331Average£425FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Japan AirlinesCheapest£990Average£1,928FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.