Find flights
When to book
FAQs

Cheap flights from Seoul Gimpo Intl Airport to London Heathrow Airport from £225

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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — LHR
9 Aug — 16 Aug1
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 10 July 2026.

Sat 7/1114:25
GMP
-
LHR
1 stop34h 30m
Air China
Sat 28/1120:25
LHR
-
GMP
1 stop31h 40m
Air China
Deal found 8/7£520
Wed 5/820:50
GMP
-
LHR
1 stop29h 50m
China Eastern
Fri 7/821:20
LHR
-
GMP
1 stop29h 40m
China Eastern
Deal found 7/7£527
Sun 26/720:50
GMP
-
LHR
1 stop29h 50m
China Eastern
Sun 2/821:20
LHR
-
GMP
1 stop29h 40m
China Eastern
Deal found 5/7£529
Sun 2/820:50
GMP
-
LHR
1 stop29h 50m
China Eastern
Sun 9/821:20
LHR
-
GMP
1 stop29h 40m
China Eastern
Deal found 6/7£530
Sat 8/820:50
GMP
-
LHR
1 stop29h 50m
China Eastern
Mon 17/821:20
LHR
-
GMP
1 stop29h 40m
China Eastern
Deal found 8/7£533
Sun 15/1114:25
GMP
-
LHR
1 stop34h 30m
Air China
Mon 23/1117:40
LHR
-
GMP
1 stop34h 25m
Air China
Deal found 5/7£534
Fri 27/1114:25
GMP
-
LHR
1 stop34h 30m
Air China
Sat 5/1217:40
LHR
-
GMP
1 stop34h 25m
Air China
Deal found 7/7£535
Thu 26/1114:25
GMP
-
LHR
1 stop34h 30m
Air China
Mon 30/1120:25
LHR
-
GMP
1 stop31h 40m
Air China
Deal found 6/7£541
Mon 20/720:50
GMP
-
LHR
1 stop29h 50m
China Eastern
Mon 17/821:20
LHR
-
GMP
1 stop29h 40m
China Eastern
Deal found 7/7£542
Sat 19/1214:25
GMP
-
LHR
1 stop36h 25m
Air China
Sat 26/1217:40
LHR
-
GMP
1 stop34h 25m
Air China
Deal found 6/7£543
Wed 25/1114:25
GMP
-
LHR
1 stop34h 30m
Air China
Sun 29/1117:40
LHR
-
GMP
1 stop34h 25m
Air China
Deal found 4/7£545

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 10 July 2026.

Round-trip from

£520

One-way from

£225

Popular in

October

Cheapest in

November

Average price

£609
Air China
  • Air China
  • 7/11-28/11
  • 2 total stops
  • 66h 10m total
  • Seoul to London
Search Deals
China Southern
  • China Southern
  • 22/10
  • 1 total stop
  • 36h 35m total
  • Seoul to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 10 July 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

Tue 4/8

13:30-18:05

1 stop36h 35m

London Heathrow

Wed 12/8

21:00-12:25

1 stop31h 25m

£618

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Fri 21/8

13:30-18:05

1 stop36h 35m

London Heathrow

Mon 7/9

21:00-12:25

1 stop31h 25m

£738

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 20/7

08:00-06:25

1 stop30h 25m

London Heathrow

Sun 26/7

09:10-21:15

1 stop28h 05m

£1,174

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sun 23/8

08:00-06:25

1 stop30h 25m

London Heathrow

Sun 30/8

09:10-17:55

1 stop24h 45m

£1,176

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 7/9

08:00-06:25

1 stop30h 25m

London Heathrow

Sun 13/9

09:10-17:55

1 stop24h 45m

£1,206

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Tue 8/9

08:00-06:25

1 stop30h 25m

London Heathrow

Wed 9/9

19:20-21:15

1 stop17h 55m

£1,206

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 9/9

19:15-15:55

1 stop28h 40m

London Heathrow

Thu 10/9

19:20-21:15

1 stop17h 55m

£1,206
Fastest return journey

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 10/9

19:15-06:25

1 stop19h 10m

London Heathrow

Mon 14/9

09:10-10:40

1 stop17h 30m

£1,207

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sun 19/7

19:15-06:25

1 stop19h 10m

London Heathrow

Sun 26/7

09:10-21:15

1 stop28h 05m

£1,221

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 13/8

08:00-06:25

1 stop30h 25m

London Heathrow

Wed 19/8

09:10-17:55

1 stop24h 45m

£1,232

Flights are sorted by cheapest return flights first.

Deals found on 4/7

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 China Southern and Japan Airlines fly from Seoul Gimpo Intl Airport to London Heathrow Airport in about 30h 25m. The time it takes to get you to your destination can typically vary by up to 6h 10m. 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
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Croydon
Ilford
Hayes
Brentford
Colchester
Northampton
Watford
Kingston upon Thames
Eastbourne
Swindon
Poole
Southall
Aylesbury
Romford

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 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.

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.