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Cheap flights from Seoul Gimpo Intl Airport to London Heathrow Airport from £179

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — LHR
16 Jun — 23 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Gimpo Intl to Heathrow

Enter your travel dates to find the best prices.

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 17 May 2026.

Wed 4/1114:25
GMP
-
LHR
1 stop36h 25m
Air China
Sat 14/1117:40
LHR
-
GMP
1 stop34h 25m
Air China
Deal found 14/5£565
Wed 4/1113:30
GMP
-
LHR
1 stop37h 25m
China Southern
Sat 14/1121:30
LHR
-
GMP
1 stop29h 55m
China Southern
Deal found 16/5£570
Tue 24/1114:25
GMP
-
LHR
1 stop34h 30m
Air China
Tue 1/1217:40
LHR
-
GMP
1 stop34h 25m
Air China
Deal found 14/5£581
Tue 22/1214:25
GMP
-
LHR
1 stop36h 25m
Air China
Wed 13/120:25
LHR
-
GMP
1 stop31h 40m
Air China
Deal found 15/5£585
Sat 17/1014:25
GMP
-
LHR
1 stop35h 15m
Air China
Sat 24/1020:25
LHR
-
GMP
1 stop32h 40m
Air China
Deal found 17/5£587
Mon 9/1114:25
GMP
-
LHR
1 stop34h 30m
Air China
Wed 11/1120:25
LHR
-
GMP
1 stop31h 40m
Air China
Deal found 12/5£589
Wed 20/520:50
GMP
-
LHR
1 stop29h 50m
China Eastern
Tue 25/821:20
LHR
-
GMP
1 stop29h 40m
China Eastern
Deal found 14/5£590
Sat 14/1114:25
GMP
-
LHR
1 stop36h 25m
Air China
Sat 21/1120:25
LHR
-
GMP
1 stop31h 40m
Air China
Deal found 17/5£600
Mon 9/1114:25
GMP
-
LHR
1 stop34h 30m
Air China
Mon 16/1117:40
LHR
-
GMP
1 stop34h 25m
Air China
Deal found 12/5£612
Fri 16/1014:25
GMP
-
LHR
1 stop35h 15m
Air China
Sun 25/1017:40
LHR
-
GMP
1 stop34h 25m
Air China
Deal found 17/5£613

Find 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 17 May 2026.

Round-trip from

£565

One-way from

£179

Popular in

October

Cheapest in

December

Average price

£615
Air China
  • Air China
  • 4/11-14/11
  • 2 total stops
  • 70h 50m total
  • Seoul to London
Search Deals
China Eastern
  • China Eastern
  • 11/6
  • 1 total stop
  • 29h 50m total
  • Seoul to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 17 May 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 4/11

14:25-15:55

1 stop34h 30m

London Heathrow

Sat 14/11

20:25-13:05

1 stop31h 40m

£588

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 17/6

20:50-18:40

1 stop29h 50m

London Heathrow

Mon 29/6

21:20-11:00

1 stop29h 40m

£773

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 17/6

20:50-18:40

1 stop29h 50m

London Heathrow

Sun 28/6

21:20-11:00

1 stop29h 40m

£1,048

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sat 3/10

20:50-18:40

1 stop29h 50m

London Heathrow

Sun 11/10

21:20-11:00

1 stop29h 40m

£1,317

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sat 3/10

20:50-18:40

1 stop29h 50m

London Heathrow

Fri 9/10

21:20-11:00

1 stop29h 40m

£1,522

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Fri 5/6

19:15-15:45

1 stop28h 30m

London Heathrow

Sun 14/6

09:25-17:55

1 stop24h 30m

£1,538

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 10/6

20:20-19:20

2 stops31h 00m

London Heathrow

Thu 18/6

21:35-12:50

2 stops31h 15m

£1,546

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 10/6

20:20-19:20

2 stops31h 00m

London Heathrow

Wed 17/6

21:35-12:50

2 stops31h 15m

£1,746

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sat 20/6

13:50-19:20

2 stops37h 30m

London Heathrow

Mon 29/6

21:35-19:15

2 stops37h 40m

£1,816
Fastest return journey

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Fri 29/5

08:00-19:50

1 stop19h 50m

London Heathrow

Sun 7/6

09:10-17:55

1 stop24h 45m

£1,832

Flights are sorted by cheapest return flights first.

Deals found on 15/5

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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.

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.

  • How long is the flight from Seoul Gimpo Intl Airport to London Heathrow Airport?

    Airlines like Air China and China Eastern fly from Seoul Gimpo Intl Airport to London Heathrow Airport in about 29h 50m. The time it takes to get you to your destination can typically vary by up to 4h 40m. The distance from Seoul Gimpo Intl Airport to London Heathrow Airport is about 5506 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Hounslow
Croydon
Wembley
Northampton
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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

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 Gimpo Intl to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Gimpo Intl to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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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