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Cheap flights from London Heathrow Airport to Seoul Gimpo Intl Airport from £270

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GMP
17 Apr — 24 Apr1
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 12 April 2025.

Round-trip from

£398

One-way from

£270

Popular in

August

Cheapest in

November

Average price

£802
China Southern
  • China Southern
  • 20/5-19/6
  • 2 total stops
  • 68h 00m total
  • London to Seoul
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China Eastern
  • China Eastern
  • 1/5
  • 1 total stop
  • 29h 40m total
  • London to Seoul
Search Deals
Highest demand for flights based on searches. 42% potential increase in price (£467 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 22% potential price decrease (£116 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 12 April 2025.

Tue 20/521:00LHR - GMP
1 stop31h 25mChina Southern
Thu 19/613:30GMP - LHR
1 stop36h 35mChina Southern
Deal found 11/4£398
Thu 8/521:00LHR - GMP
1 stop31h 25mMultiple Airlines
Sun 11/512:00GMP - LHR
1 stop38h 40mMultiple Airlines
Deal found 11/4£430
Sun 11/521:20LHR - GMP
1 stop29h 40mChina Eastern
Tue 13/520:50GMP - LHR
1 stop29h 50mChina Eastern
Deal found 11/4£437
Tue 13/520:25LHR - GMP
1 stop32h 40mAir China
Tue 27/514:25GMP - LHR
1 stop35h 20mAir China
Deal found 11/4£446

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 12 April 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

Tue 20/5

21:00-12:25

1 stop31h 25m

Seoul Gimpo Intl

Thu 19/6

13:30-18:05

1 stop36h 35m

£398

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 8/5

21:00-12:25

1 stop31h 25m

Seoul Gimpo Intl

Sun 11/5

12:00-18:40

1 stop38h 40m

£430

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 11/5

21:20-11:00

1 stop29h 40m

Seoul Gimpo Intl

Tue 13/5

20:50-18:40

1 stop29h 50m

£437

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 13/5

20:25-13:05

1 stop32h 40m

Seoul Gimpo Intl

Tue 27/5

14:25-17:45

1 stop35h 20m

£446

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Fri 9/5

09:40-10:45

1 stop17h 05m

Seoul Gimpo Intl

Sat 24/5

19:20-06:25

1 stop19h 05m

£893

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 1/5

21:20-11:00

1 stop29h 40m

£270

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 28/5

21:00-12:25

1 stop31h 25m

£273

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 18/6

16:05-12:25

2 stops36h 20m

£318

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 24/4

20:25-13:05

1 stop32h 40m

£329

Flights are sorted by cheapest return flights first.

Deals found on 11/4

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 time of day to fly from LHR to GMP?

Find hourly flight availability from Heathrow to Gimpo Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 April 2025.

It’s optimal to fly from London Heathrow Airport to Seoul Gimpo Intl Airport in the afternoon. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the morning.

Rainfall in Gimpo Intl by month

Plan your trip to Gimpo Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul Gimpo Intl Airport ranges from 27.0 - 253.0 inches per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit Seoul Gimpo Intl Airport when rainfall is around 27.0 mm.

Temperature in Gimpo Intl by month

Plan your trip to Gimpo Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul Gimpo Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 12 April 2025.
Get a feel of what it's like to fly with Japan Airlines, China Southern and China Eastern from London to Seoul by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Overall

8.3

Comfort

8.2

Crew

8.7

Food

7.7

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Japan Airlines
8.3
Very Good
1,440 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Overall

8.3

Comfort

8.2

Crew

8.7

Food

7.7

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
China Southern
7.5
Good
94 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Overall

8.3

Comfort

8.2

Crew

8.7

Food

7.7

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
China Eastern
7.2
Good
143 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Overall

8.3

Comfort

8.2

Crew

8.7

Food

7.7

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

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.

  • 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 £398. Additional return tickets that might be worth considering are offered by China Eastern and Air China, with the lowest prices starting at £437 and £446, respectively. China Southern is priced at 52% 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?

    £270 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 £273 and £329, 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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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 12 April 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£339Average£377FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£486Average£635FlexibilityNo cancel feeOn-time67%
Search Air China 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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