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Cheap flights from Seoul Gimpo Intl Airport to London Heathrow Airport from £160

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — LHR
30 Mar — 6 Apr1
1 adult

Cheap flight deals from Gimpo Intl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Gimpo Intl (GMP) to Heathrow (LHR). 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 25 March 2025.

Round-trip from

£364

One-way from

£160

Popular in

September

Cheapest in

December

Average price

£507
China Southern
  • China Southern
  • 10/4-26/4
  • 2 total stops
  • 68h 05m total
  • Seoul to London
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China Southern
  • China Southern
  • 15/5
  • 1 total stop
  • 36h 40m total
  • Seoul to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£83 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Find flight deals from Gimpo Intl to Heathrow

Cheapest flights from Gimpo Intl to Heathrow
Explore the most affordable flight options available from Gimpo Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Tue 1/413:30GMP - LHR
1 stop36h 35mChina Southern
Tue 22/421:00LHR - GMP
1 stop31h 25mChina Southern
Deal found 24/3£360
Mon 19/512:00GMP - LHR
1 stop38h 40mChina Eastern
Mon 2/621:20LHR - GMP
1 stop29h 40mChina Eastern
Deal found 24/3£372
Mon 9/614:25GMP - LHR
1 stop35h 20mAir China
Wed 18/622:40LHR - GMP
1 stop30h 25mAir China
Deal found 23/3£413
Mon 7/414:25GMP - LHR
1 stop35h 20mMultiple Airlines
Sun 20/421:00LHR - GMP
1 stop31h 25mMultiple Airlines
Deal found 24/3£483
Sun 6/407:55GMP - LHR
1 stop30h 30mJapan Airlines
Wed 23/409:40LHR - GMP
1 stop17h 05mJapan Airlines
Deal found 24/3£754

Cheapflights Fare Finder

Customise your flight search to find flights from Gimpo Intl to Heathrow 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 25 March 2025.
Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to London Heathrow Airport that are best for you.

Fly from

Gimpo Intl

Fly to

Heathrow

Route

Depart

Return

Price

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 10/4

13:25-18:05

1 stop36h 40m

London Heathrow

Sat 26/4

21:00-12:25

1 stop31h 25m

£364

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 19/5

12:00-18:40

1 stop38h 40m

London Heathrow

Mon 2/6

21:20-11:00

1 stop29h 40m

£372

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 9/6

14:25-17:45

1 stop35h 20m

London Heathrow

Wed 18/6

22:40-13:05

1 stop30h 25m

£413

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 7/4

14:25-17:45

1 stop35h 20m

London Heathrow

Sun 20/4

21:00-12:25

1 stop31h 25m

£483

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sun 6/4

07:55-06:25

1 stop30h 30m

London Heathrow

Wed 23/4

09:40-10:45

1 stop17h 05m

£754

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Fri 23/5

13:50-19:20

2 stops37h 30m

London Heathrow

Sun 25/5

21:35-18:10

2 stops36h 35m

£771

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 15/5

13:25-18:05

1 stop36h 40m

£160

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 19/5

20:50-18:40

1 stop29h 50m

£202

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 10/4

14:25-17:45

1 stop35h 20m

£233

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Tue 1/4

18:05-18:40

2 stops56h 35m

£241

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 11 results
1
2

Best time to book a flight from Gimpo Intl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Gimpo Intl 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 Seoul Gimpo Intl Airport to London Heathrow Airport

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 25 March 2025.
To help decide which airline to fly from Seoul to London, see what other customers have to say about EVA Air, Japan Airlines and China Southern. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Boarding

8.4

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very Good
1,171 reviews
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Boarding

8.4

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Japan Airlines
8.3
Very Good
1,440 reviews
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Boarding

8.4

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Southern
7.4
Good
91 reviews
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Boarding

8.4

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Eastern
7.1
Good
135 reviews
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Boarding

8.4

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

Find useful and relevant information for your journey from Gimpo Intl to Heathrow. 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 to fly from Seoul Gimpo Intl Airport to London Heathrow Airport one-way?

    For one-way options, check prices for China Southern. According to our data, you can fly for as low as £160. Users have also found prices from £202 and £233 on China Eastern and Air China, respectively.

  • Can I find deals for flights from Gimpo Intl to Heathrow that include hotel bookings?

    Yes. In addition to deals on Gimpo Intl to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gimpo Intl to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gimpo Intl to Heathrow.

  • Can I find deals for business class flights from Gimpo Intl to Heathrow?

    Yes. Cheapflights offers flight deals from Gimpo Intl to Heathrow 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 Seoul Gimpo Intl Airport to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Seoul Gimpo Intl Airport to London Heathrow Airport (average of £112). Flying from Seoul Gimpo Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near Seoul Gimpo Intl Airport?

Book flights to Seoul Gimpo Intl Airport if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Luton
Slough
Eastbourne
Wembley
Northampton
Swindon
Hayes
Ilford
Crawley
Southend-on-Sea
Winchester
Maidstone
Ipswich
Watford
Southall

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Gimpo Intl to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Heathrow flights
Incheon Intl to Gatwick flights
Incheon Intl to Stansted flights
Incheon Intl to London City flights
Gimpo Intl to London City flights

Fly with Cheapflights

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

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

Millions of users choose and trust Cheapflights to book the best flight deals from Gimpo Intl to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Gimpo Intl to Heathrow with no change fees?

Yes, we can. To see specific flights from Gimpo Intl to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Gimpo Intl to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Gimpo Intl to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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